Gertrude's Secrets is a 1984 children's computer game by The Learning Company

The Learning Company

The Learning Company is an American educational software company, founded in 1980. It produced a grade-based system similar to Knowledge Adventure's JumpStart series. The products for preschoolers through second graders feature Reader Rabbit, and software for more advanced students features The...

. The goal of the game is to solve puzzles and find secrets.

The game features rooms filled with puzzles to be solved by arranging objects by shape and colour. It is played by dragging Gertrude the Puzzle Bird, a goose, into one of various rooms. Gertrude then brings various shapes into the rooms which have to be arranged appropriately. Upon completion of the puzzle, Gertrude awards the player with a prize. The game also includes a noisy bird and a room for editing shapes.

The game is available for DOS

DOS

DOS, short for "Disk Operating System", is an acronym for several closely related operating systems that dominated the IBM PC compatible market between 1981 and 1995, or until about 2000 if one includes the partially DOS-based Microsoft Windows versions 95, 98, and Millennium Edition.Related...

, Commodore 64

Commodore 64

The Commodore 64 is an 8-bit home computer introduced by Commodore International in January 1982.Volume production started in the spring of 1982, with machines being released on to the market in August at a price of US$595...

, and the Apple II

Apple II series

The Apple II series is a set of 8-bit home computers, one of the first highly successful mass-produced microcomputer products, designed primarily by Steve Wozniak, manufactured by Apple Computer and introduced in 1977 with the original Apple II...

and features a limited palette of colors and simple shapes.