File:Mafia physx.jpg

In-game screenshots of Mafia II showing the PhysX-based particle effects.

Summary
Rationale for the fair use of this image in the article PhysX:
 * No similar images have been released to the public domain
 * The image demonstrates unique properties of the physics engine used in Mafia II
 * The image is being used in an informative way and should not detract from the game
 * The image is a small, web-resolution image (comprised of two individual screenshots for comparison reasons)
 * The image is used to illustrate important characteristics of the game's physics engine, which conveys to the reader an idea of what they look like
 * The image does not limit the copyright owner's ability to sell the video game.