Chris Avellone

Chris Avellone is an American video game designer and comic book writer. He worked for Interplay and Obsidian Entertainment before becoming a freelance designer and writer. He is best known for his work on role-playing video games such as Planescape: Torment, Star Wars Knights of the Old Republic II: The Sith Lords and the Fallout series.

In 2009, he was chosen by IGN as one of the top 100 game creators of all time and by Gamasutra as one of the top 20 game writers. In 2017, he was named by GamesTM as one of the then 50 most influential people in gaming.

Early life
Avellone grew up in Alexandria, Virginia. At the age of 9, he first learned about Dungeons & Dragons while playing catch with a friend from the neighborhood who started describing a "strange game of make-believe where you could pretend to be a dwarf, elf, fighter and you could explore dungeons, fight monsters, and take their treasure." After trying to put together a group to play with, he realized that no one wanted to be the group's game master and he had to learn how to fill the role himself, experiencing the game vicariously through the players and looking for new ways to entertain them.

He attended the Thomas Jefferson High School for Science and Technology in nearby Fairfax County. While in high school, he visited a friend's house and saw The Bard's Tale II: The Destiny Knight by Interplay Productions running on the Commodore 64, which made him realize a computer game master could also run a game for him and resulted in him playing every computer RPG he could get his hands on, without considering at the time that he could seek a career in computer games.

Upon finishing high school, he moved south and pursued a degree in architecture at Virginia Tech because he had enjoyed drawing maps and structures for his pen-and-paper gaming sessions. After two years, however, he realized his "sketchbook was often filled with more sentences than sketches", which made him question himself and led to him transferring to the College of William & Mary and switching over to English as his major, graduating in 1994 with a minor in fine arts as well.

His first job was for a role-playing company called Day by Day Associates, and involved role-playing a criminal at the local police academy and at Hogan's Alley in Quantico, Virginia to help train police officers and FBI agents. He later worked in a toy store and as a campus center supervisor.

1993-2003: Tabletop games and Interplay
Avellone's hobby of gamemastering for tabletop roleplaying games made him try to get his adventures and articles published. Starting in his high school years, he sent a large number of submissions to Dungeon magazine, Dragon magazine, Palladium Books, GURPS and Hero Games, but they were all rejected. However, when Hero Games had a new product line for their Champions RPG called Dark Champions and needed writers, Hero Games' line editor Bruce Harlick contacted Avellone, asking him to write a character book for it, which he agreed to, resulting in 1993's Underworld Enemies. It was followed by Dystopia in 1994, Widows & Orphans in 1997 and New Bedlam Asylum in 1998, as well as contributions to the adventure anthologies Heroic Adventures Volume 1 and Volume 2 in 1996 and to Dragon, Alarums and Excursions, Adventurers Club and Shadis throughout that period. Avellone was also one of the authors involved in the fanzine Haymaker! alongside Harlick.

After asking Steve Peterson, his editor at Hero Games, to help him find him a job with a steady paycheck, Peterson put in a recommendation for him with Mark O'Green, the head of Interplay Productions' Dragonplay division. At the beginning of June 1995, Avellone flew to Irvine, California and interviewed with O'Green, who asked him hard questions about how he would go about designing a video game using the Planescape license, which Interplay held the video game rights for at the time. Avellone told him he would "start at the death screen, and just tell the story of what happens after that". O'Green was intrigued and hired him as a junior designer.

His first task at Interplay was to design cities for a Dungeons & Dragons game set in the Forgotten Realms. When that project was cancelled a few months later, he was transferred to the role of a level designer on Descent to Undermountain, a first person 3D dungeon crawler that was also set in the Forgotten Realms and repurposed the engine used by 1995's spaceship combat game Descent. According to Avellone: "I didn't know what I was getting into! I was very happy to work on it at the time, though. They were trying to add gravity and first-person combat into the Descent engine, you know, so they could create something [like] Ultima Underworld. The engine just wasn't set up to do that, and we didn't have the sheer amount of programming power available to make that happen."

While working on Undermountain, he was also asked to contribute writing and design to other games. The first of these to be released was Conquest of the New World, a turn-based historical strategy game developed by Quicksilver Software which was published by Interplay in 1996. Because Quicksilver were only a few streets away from Interplay, designers from Interplay including Avellone were asked to help with lore additions to the game whenever needed. He then contributed mission design to Interplay's 1997 game Star Trek: Starfleet Academy, a space flight simulator that made extensive use of full motion video.

By late 1996, Feargus Urquhart – who had replaced O'Green as the head of Interplay's role-playing division, soon to be known as Black Isle Studios – was being mandated to make use of the Planescape license by his superiors and became interested in making a game for it using the Infinity Engine, the isometric engine in BioWare's Baldur's Gate, which was then in development and which Interplay had access to as BioWare's publisher. Urquhart asked Avellone if he was interested in being the lead designer on the new project and Avellone agreed, seeing it as an opportunity. Avellone initially titled the game Planescape: Last Rites, and, recalling the design ideas he had shared with O'Green in his hiring interview, used them as the starting point for the game's vision document, which was warmly received by Interplay's studio head Brian Fargo, who nonetheless asked Avellone to promise he could actually deliver on it. During the game's pre-production, Avellone was given a very small team that consisted of lead programmer Dan Spitzley, lead artist Tim Donley and two other artists, sharing an office with them. As Avellone described it:

"Once the vision document was approved, we scaled it down and outwards and turned each bit into reality. The lead artist, Tim Donley, did sketches of each of the major locations one by one before they were arted on the computer. I then took the characters and quests and did area design documents. I wrote a first pass of much of the dialogue and companions (many of which made it all the way to the final draft). All the while our programmers started digging into the Infinity Engine (which wasn’t done at that time, since Baldur’s Gate 1 was still going on) and learning more about how it worked so we could see if our ideas were feasible or not."

Avellone incorporated the many ideas for fantasy quests and characters he had gathered over the years into his design and sought to turn fantasy conventions upside down. Around this time, Tim Cain also offered Avellone a role on Fallout as a designer, but Avellone had to turn him down because, between Last Rites and his continued responsibilities on Undermountain, he was already overburdened with work, and he recommended Scott Bennie for the role instead.

At the beginning of 1997, Avellone asked Urquhart to be transferred to full-time work on Last Rites because he no longer felt there was much he could contribute to Undermountain given that game's development troubles, but this request was only granted in the summer of that year. When Colin McComb was assigned to Last Rites as its second designer in April 1997, he found that Avellone already had a broad outline of the entire game from start to finish, with all of the major characters sketched out. It was soon realized that the name Last Rites was already trademarked and being used for another company's game, which led to their project being renamed into Planescape: Torment after many other possible names for it were rejected. Throughout that period, Avellone also contributed writing to Interplay's racing combat game Red Asphalt and Treyarch's swordfighting action-adventure game Die by the Sword, both of them released in early 1998.

Undermountain was finally released in January 1998 and sold poorly and was widely panned by critics. That same month, Fallout's central creative trio of Tim Cain, Leonard Boyarsky and Jason Anderson decided to leave Interplay and start their own company which they named Troika Games. This created an uncertain future for Fallout 2, which they had been leading development on for a few months, so designers, programmers and artists were taken from other projects and assigned to help with it. This included Avellone, who became an area designer on the game and designed New Reno, Vault City, the raider caves and the game's various special encounters. His work on New Reno is how Avellone "first came to people's attention", as it has been called "one of the most beloved locations in any RPG" and "possibly Avellone's single greatest creation [...] emblematic of everything a true RPG should be: non-linear, dynamic, detailed, and expertly written". Fallout 2 was released in October 1998 and has been ranked by video game publications as one of the best RPGs of all time, though Avellone has expressed misgivings about the game's tonal inconsistencies and overuse of breaking the fourth wall.

While working on Fallout 2, he also continued writing the story and dialogue for Torment, which led to him having 160 hour workweeks that kept him exhausted. Once Fallout 2 was finished, he immediately had to enter crunch time again on Torment as the game's development team expanded from the 10 people it had at that point to between 35 and 40 by the end. McComb would later estimate that, although there were seven other designers on his team, Avellone did approximately half of the design work on the project. However, as the game's localization costs mounted due to its long script and quality assurance testers regarded it as the strangest game they had worked on, Avellone thought that Torment would be poorly received at large and was afraid he was going to be fired. When Torment was released in December of 1999, it instead sold moderately well and received very positive reviews. It has since become regarded as one of the greatest video games of all time   and has been especially praised for reaching a quality of writing that had not existed in games up to that point.

By the end of the game's development, Avellone's health had declined significantly from the long hours and he was advised by his doctor to not continue down that path. Interplay's vice president Trish Wright also became concerned and helped reduce his workload. When Urquhart and Donley asked him if he was willing to work on a sequel to Torment, Avellone declined, saying he was too tired.

Most of the Torment team then wanted to work on a new fantasy intellectual property which became known as Black Isle's Torn, while Avellone opted to join a different team inside Black Isle which, after the release of Fallout 2, had spent a few months working on a sequel for that game, but had not made good progress in that time with either its design or its switch to a new 3D engine. After promising them another chance to make that sequel in the future, Urquhart had tasked them in May of 1999 with developing Icewind Dale, a more traditional Dungeons & Dragons game which, like Baldur's Gate, was set in the Forgotten Realms and also used the Infinity Engine, but was more linear and had a strong focus on dungeon crawling. Despite joining halfway through development, Avellone wrote the dialogues of all the major NPCs in Icewind Dale and also edited those written by the other designers. Additionally, he designed a number of quests for the starting town of Easthaven and many of the special items in the game, as well as writing the game's narrative style guide and manual. He was also one of the few technical designers involved with directly implementing content in the game. Icewind Dale was released in June of 2000 and was well-received, but was regarded by Avellone and the general public as not pushing the genre forward compared to Black Isle's previous games.

During his time on Icewind Dale, Avellone also wrote a vision document for the project codenamed Van Buren, which was the promised next attempt at continuing the Fallout series. Once it was approved, he became the lead designer on it and worked on it for the next three years, doing area design, maps, character breakdowns, items and plot elements for all the locations in the game. Avellone felt the game had the potential to be better than Torment, as everything in its design seemed to be clicking into place, but none of the teams at Black Isle were available to work on it, and it languished in pre-production with Avellone as the sole person working on it, his only chance to playtest and refine his design coming from tabletop sessions based around it that he ran for his fellow developers.

A few weeks after the release of Icewind Dale, work began on an expansion pack for it called Heart of Winter. At fellow designer Josh Sawyer's suggestion, its story was based on the lore Avellone had written for one of his Easthaven quests, and Avellone continued his dialogue-focused duties on the title. Heart of Winter was released in February of 2001 and was not as well-received as the original game, largely because of its short length. To allay the fans' complaints, the team including Avellone then developed a free but smaller downloadable expansion called Trials of the Luremaster, which was released in July of 2001.

During Heart of Winter's development, Avellone was also asked to write the story for Baldur's Gate: Dark Alliance, a console action RPG that Interplay had tasked Snowblind Studios with developing in an attempt to enter the increasingly lucrative console market. Although Avellone quickly wrote a draft of the storyline that he liked, it became a target for what he called "the most mind-boggling iterations and suggestions" from his bosses, and he was unhappy with the result as he felt it was lacking and not similar to his original vision.

Black Isle's Torn, which Avellone did not work on but had offered occasional design input on, was cancelled in July of 2001, as Urquhart estimated it would not be done in time to help Interplay with the financial difficulties it was going through. Development on Icewind Dale II was started in its place, once again using the Infinity Engine, with Sawyer as the lead designer and Avellone doing area design for the starting town of Targos and for Kuldahar, which he greatly enjoyed because of the unusual amount of freedom the designers were given on the project. Icewind Dale II was released in August of 2002 and received positive reviews, although the public felt its engine had become too dated.

In early 2002, production began on Lionheart: Legacy of the Crusader, an alternate history action RPG developed by Reflexive Entertainment and published by Interplay, on which Avellone was assigned to provide design assistance for a short while after its overall storyline had already been established several months into development. Afterwards, before he could return to work on Van Buren, he contributed to the design of Baldur's Gate III: The Black Hound, Black Isle's attempt at making a Dungeons & Dragons game in a 3D engine that had to use Baldur's Gate in its name despite having little to do with it because Interplay had supposedly retained the license for it, but not the license for the Forgotten Realms in general. Once the license turned out to have been lost because of unpaid royalties, The Black Hound was cancelled after a year and a half of active development, which made Urquhart leave the company in frustration in April of 2003. For the first time, a full team was now available to work on Van Buren, but Avellone did not believe it was possible to make the game any longer given Interplay's financial troubles and the management's complete focus on the console market, so he also left the company a couple of months after Urquhart. His assessment turned out to be correct when, half a year later, Black Isle was shut down and Van Buren was cancelled.

Now a free agent, Avellone was invited by Snowblind Studios to help with the writing on their next game, Champions of Norrath: Realms of EverQuest — another console action RPG in the same vein as Dark Alliance but taking place in the EverQuest universe — as they had enjoyed working with Avellone despite their relationship with Black Isle becoming frayed after Black Isle had used their engine to make Dark Alliance II without their permission or involvement.

2003-2015: Obsidian Entertainment
After leaving Interplay, Avellone was invited by Urquhart to join him as one of the five co-founders of a new company named Obsidian Entertainment which aimed to develop the same kind of games as Black Isle, with Avellone accepting and becoming the company's chief creative officer.

Obsidian received their first project very quickly when BioWare, who were almost done developing the cross-platform RPG Star Wars: Knights of the Old Republic for LucasArts, passed on the opportunity to make a sequel for it and recommended Obsidian for the job based on their previous relationship with Black Isle. Avellone thus became the lead designer of Star Wars Knights of the Old Republic II: The Sith Lords, a role which he was not pleased with at first as he had not been a fan of Star Wars since his childhood, but which gradually became interesting to him as he immersed himself in the franchise, reading all of its novels and comic books, and realized he could explore the questions he had about its universe through his design and try to recapture the feeling of The Empire Strikes Back, his favorite movie in the series.

However, the task of making a sequel to a AAA game was fraught with difficulties, as Obsidian initially had no employees and no office space, with the co-founders working in Urquhart's attic. Additionally, Avellone had to write a blind first draft of the story without having played the original KOTOR, as it had not yet been released and LucasArts did not want to provide a copy of it before a full contract had been officially signed, which then led to Avellone having to start over with an entirely different story once he was able to play it.

After a contract was signed in August of 2003, Obsidian were able to move into an office in Santa Ana and hire enough employees to start full production on the game by October, but still had a very aggressive schedule that required them to finish the game within a year. Avellone wrote the game's overall storyline and most of the companions and did area design for Peragus, Malachor V, part of Nar Shaddaa and other smaller areas, while also dividing and coordinating the tasks of six other designers. KOTOR II was released on time in December of 2004 in what many regarded as a partially unfinished state, but still received very positive reviews, with its story being named one of the greatest in video games and in the Star Wars franchise.

After KOTOR II, Avellone pitched comic book publisher Dark Horse a comic named Unseen, Unheard about characters from the game, which he then wrote for the final issue of Star Wars Tales published in July of 2005. This also led to him contributing short stories to the Star Wars: Clone Wars Adventures comic series until it ended in December of 2007.

In July of 2004, Obsidian began development on Neverwinter Nights 2, a Dungeons & Dragons PC RPG taking place in the Forgotten Realms, after another situation in which BioWare, who had developed the first game, recommended Obsidian to its publisher, in this case Atari, for developing the sequel. Avellone joined the game's development team once KOTOR II was finished and was primarily responsible for writing major characters, including the game's companions and their associated quests, but also for implementing influence mechanics and critiquing area designs, and additionally proofread almost all the dialogue in the game. Despite the game's design having an unrealistically large scope that created difficulties and led to its original lead designer Ferret Baudoin being replaced by Josh Sawyer in March of 2006, Neverwinter Nights 2 had generally favorable reviews when released in October of 2006, with its story and writing noted as being its strong points.

As Obsidian began to always have multiple projects in pre-production or development at any given time, Avellone — in his capacity as the company's chief creative officer — oversaw the high-level design on all of them, offering feedback and critiques on prototypes, game builds and design documents, as well as writing and improving pitches for new games and talking to publishers about them. Obsidian's third project Dwarves, an RPG prequel to Snow White and the Seven Dwarves that Obsidian was enlisted to create by Disney in 2005, was the first one that Avellone did not have a direct role on, with his involvement instead consisting of reviewing the work done by its lead designer Kevin Saunders and its lead story writer Brian Mitsoda and offering insight into which elements in its story achieved their goals and which elements needed improvement.

In early 2006, Sega expressed interest in having Obsidian develop a cross-platform RPG for them and were pitched an idea from Urquhart and fellow co-founder Chris Jones about making an espionage RPG that took place in the present and incorporated ideas from Burn Notice, James Bond, the Bourne series and 24. Sega liked it and decided to pursue the project, with Obsidian intending at first to retain the intellectual property rights for it, but soon giving them to Sega in return for more funding so they could prevent layoffs when, as the deal with Sega had almost been finalized, Dwarves was cancelled by Disney because they had decided to avoid going in that game's direction with the Snow White intellectual property after a recent change in that company's leadership. Brian Mitsoda was reassigned from writing the story for Dwarves to being the creative lead on the espionage RPG, which was named Alpha Protocol. Sega announced their collaboration with Obsidian on a game based on new intellectual property on the 23rd March of 2006.

In July of 2006, pre-production began on Mask of the Betrayer, the first expansion pack for Neverwinter Nights 2, with Avellone offering designer George Ziets the role of creative lead on it and giving him a lot of flexibility on its story and setting, which Ziets used by exploring the religious and mythological elements in the Forgotten Realms that were the most interesting to him. One of the five companions intended for the expansion, the half-celestial cleric Kaelyn the Dove, was almost cut early on when it was estimated she could not be written and implemented in the time the team had available. Avellone, who was not directly assigned to the project at the time, asked to write her himself so she could be kept, with Ziets remarking that she then ended up being his favorite companion in the game. Avellone also wrote a second companion for it, the spirit shaman Gann-of-Dreams. As the expansion neared release, its lead designer Kevin Saunders noted that the dialogues of the new companions were richer and longer than those of the most developed companions in Neverwinter Nights 2. Mask of the Betrayer was released in September of 2007 and was well-received, with game publications calling it the best Dungeons & Dragons experience since Baldur's Gate II: Shadows of Amn and Torment  and sometimes referring to it as a thematic sequel of the latter.

Near the end of 2006, Sega asked Obsidian to also begin development on a second cross-platform RPG to be published by them, this time based on the Alien franchise, with the project being named Aliens: Crucible. Avellone was assigned as its creative lead and sought to incorporate survival mechanics into the title, giving players the goal of building up a base over time and carefully managing their resources in a tense atmosphere where they would be vulnerable to attack even during conversations. The game was officially announced by Sega in December of 2006.

In early 2008, when Alpha Protocol was halfway through development, it became apparent that its vision had not been well-defined and that, in the absence of a project director, its leads were each trying to make a different kind of game. When Mitsoda left Obsidian soon after, Avellone was moved over to Alpha Protocol and became its lead designer — though not in charge of its gameplay systems, which were handled by lead systems designer Matt MacLean — while Josh Sawyer took over the design of Aliens: Crucible. Avellone created a new storyline for Alpha Protocol that was less linear and allowed for a very large number of player choices, while reusing character designs, locations and plot points from Mitsoda's iteration of the story. Avellone wrote most of the characters in the game, except for their emails, which were written by Matt MacLean, and except for the characters in Taipei and the peripheral ones in Rome, which were written by narrative designer Travis Stout. Avellone estimated there were approximately 120 hours of dialogue in the final game of which players would only hear between 22% and 33% in a single playthrough.

In February of 2009, Aliens: Crucible was cancelled by Sega in favor of Alpha Protocol, which they deemed to be much farther along in development. After a round of layoffs at Obsidian, Urquhart began talking to Todd Vaughn, the vice president of development at Bethesda Softworks, about making a game for them, as Vaughn had previously raised that possibility as early as 2004, but Obsidian had never had any free teams whenever it had come up. Bethesda, who had obtained the rights to make Fallout games in 2004 during Interplay's bankruptcy and had released their own Fallout 3 in October of 2008, were now busy developing The Elder Scrolls V: Skyrim and would not be able to make a Fallout 4 for a long time, which made them interested in having an external studio develop another Fallout title in the interim to avoid a large gap between titles. Obsidian were thus asked by Bethesda to pick an interesting location in the Western United States and pitch a Fallout game around it. After multiple people at Obsidian independently chose Las Vegas as a signature western city, Avellone wrote a story pitch about a stranger getting shot in the head and dropped in a shallow grave in the desert, with Vegas visible in the distance. Bethesda approved it, signing up on the development of Fallout: New Vegas, with the Aliens: Crucible team being transferred to it and Sawyer becoming the game's project director and lead designer. As Sawyer had taken part in Avellone's Van Buren pen and paper campaigns at Black Isle and had become the lead designer on that game for its final six months, he incorporated certain elements from it into New Vegas, such as Hoover Dam as a plot-important location, the Caesar's Legion tribal confederation as a major faction, the mentally ill Nightkin super mutants as occasionally encountered characters and the caravan wars as part of the story's background.

Avellone moved over from Alpha Protocol to the New Vegas team as a senior designer in October of 2009. Alpha Protocol, which had originally been meant to be released that same month, was delayed to May of 2010 after management at Sega decided it would have a more favorable release window then, but the game did not receive any additional development time during the delay. Upon its release, Alpha Protocol received lukewarm reviews, with frequent criticisms about its gameplay being clunky and bland, while its storytelling and freedom of choice were praised. Although Avellone had many ideas for a sequel and wanted to have an even more complex story in it, the game was not financially successful and Sega was not interested in turning it into a series. The game has, however, become regarded as a cult classic because of its unique style of reactivity.

For New Vegas, Avellone wrote two companions: Ulysses, a former scout from Caesar's Legion who was supposed to provide insight into the game's events from the perspective of that faction, and Rose of Sharon Cassidy, the hard-drinking caravaneer daughter of Cassidy, a Fallout 2 companion who had also been written by Avellone and had been Sawyer's favorite companion in the series. Avellone also provided writing for the game's ending slides, the endgame characters Legate Lanius and General Oliver, as well as for the Mojave Outpost and the REPCONN Headquarters areas, and helped lead writer John Gonzalez with structuring the story and its associated character dialogues, as Gonzalez was not used to writing branching narratives. After getting Dark Horse in touch with Bethesda, Avellone also wrote All Roads, a graphic novel included with the collector's edition of New Vegas that detailed the events leading up to the beginning of the game. However, as development on New Vegas was nearing the end, it was realized that Ulysses as a companion had so much dialogue that it would not have fit on the game's disc and there was not enough time to trim it down, which led to his complete removal, a difficult task in itself given that his dialogue had so many different hooks into the storyline. Avellone decided instead to reuse the character as an overarching antagonist in the downloadable content expansions that were planned, with foreshadowing about his new story being added to the base game. New Vegas was released in October of 2010 and was well-reviewed, but received significant criticism for its technical issues. With the passing of time, it has become regarded as one of the greatest RPGs of all time.

New Vegas received four downloadable content expansions, with Avellone being the project director and lead designer on three of them: Dead Money, Old World Blues and Lonesome Road. Avellone shared writing duties on Old World Blues with Travis Stout, but did almost all of the writing on the other two. In Dead Money, the story revolved around the player character being kidnapped, fitted with an explosive collar and forced to rob an impenetrable casino with the help of three other characters in the same predicament. Avellone sought to create a survival horror experience for it based on an idea he had originally had while working on Torment after watching the 1997 film Cube and which centered on taking disparate personalities that would normally be very hostile to each other and forcing them to work together, focusing on the themes of greed and human nature. To provide a contrast to the dark atmosphere of the other expansions, Old World Blues had a much more humorous story that involved the player character being taken to the highly advanced scientific facility of Big MT, having their brain stolen, and exploring the remains of the facility to recover it. Its story was conceived around the theme of "the optimistic atomic future of what might have been" and the idea that the advanced technology in the Fallout setting could have saved the world if it had not been misused by its creators. Lonesome Road was inspired by the final image at the end of the original Fallout of that game's protagonist being cast out of their home and attempted to evoke the same sense of abandonment by having the player explore an area that their character had caused devastation for in the past, with rival courier Ulysses holding them responsible for it and waiting to confront them inside. The New Vegas expansions were released between December 2010 and September 2011 and have been praised for providing "some of the best sci-fi in games", with Old World Blues in particular being named one of the greatest video game expansions ever.

Avellone worked as a narrative designer on Pillars of Eternity prior to leaving Obsidian Entertainment in June 2015.

2015-present: Freelancing
Since leaving Obsidian, Avellone has worked as a freelancer on games such as Torment: Tides of Numenera, Prey, Divinity: Original Sin II, Pathfinder: Kingmaker, and Into the Breach.

Misconduct accusations and retraction
In June 2020, Avellone was accused by two people of using his status for sexual misconduct and harassment towards women during industry conventions. Following these allegations, Techland announced that they and Avellone agreed to end his work on Dying Light 2. Gato Studios also removed Avellone from The Waylanders; according to lead writer Emily Grace Buck, Avellone had "very little writing" over that project, having only penned a few quests that they planned to rewrite. Paradox Interactive said that while Avellone had worked on an early version of Vampire: The Masquerade – Bloodlines 2, much of his work had since been overwritten.

Avellone published a denial of the allegations through Medium in June 2021 and stated he had filed a libel suit against two accusers in a California court. This libel suit was settled in March 2023, with a settlement that "provides for a seven-figure payment" from the accusers to Avellone. Concurrently the two accusers retracted their original accusations, stating that "Mr. Avellone never sexually abused either of us," and that "We have no knowledge that he has ever sexually abused any women." They also claimed in the same statement that their previous public statements with regards to Avellone had been "misinterpreted".

Comic books
Star Wars comics:
 * Unseen, Unheard (2005)
 * Heroes on Both Sides (2006)
 * Impregnable (2007)
 * Old Scores (2007)
 * Graduation Day (2007)

Fallout comics:
 * Fallout: New Vegas, All Roads (2010, part of the Fallout: New Vegas collector's edition)

Fiction

 * The House of Wael (2016, to Pillars of Eternity Kickstarter backers)

Tabletop role-playing game modules

 * The Puzzle Box (2020, to Pathfinder: Kingmaker Kickstarter backers)
 * Dystopia (1994, Champions module published by Atlas Games)