Gertrude's Puzzles
Gertrude's Puzzles is an educational video game for the Apple II, Commodore 64, and IBM PC compatibles released in 1984 by The Learning Company. It is 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.