Gertrude's Puzzles

Gertrude's Puzzles is a 1984 edutainment video game for the Apple II, Commodore 64, and IBM PC compatibles by The Learning Company. It is considered a sequel to the game Gertrude's Secrets. Gertrude's Puzzles was designed by Teri Perl. Gertrude's Puzzles, like Gertrude's Secrets, consists of a series of rooms, each of which contains a logic or categorization puzzle to solve using shapes and colors.