Penguin Software

Penguin Software was a video game publisher from Geneva, Illinois that produced graphics software and games for the Apple II, Macintosh, IBM, Commodore 64, Amiga, Atari 8-bit, and Atari ST computers. They are mostly known for their graphics programs Graphics Magician and Complete Graphics System, graphic adventure games such as the Transylvania series, arcade-style games like Spy's Demise, and role-playing video games such as Xyphus. The company was founded in 1978 by Mark Pelczarski but adopted the name of "Penguin Software" only in 1981.