The video game version of George Shrinks is a hybird between a educational preschool game and a platformer, developed by Valve Corporation (PC, PS2), Monolith Productions (Xbox, GameCube) and Griptonite Games (GBA) and published by Sierra Entertainment and Vivendi Universal Games and released for the PC, PS2, Xbox, GameCube and GBA in 2002. It is Valve's first preschool game. It is based on the PBS Kids show of the same name, itself based on the book series of the same name. The PC and PS2 versions support GoldSrc engine, while the Xbox and GameCube versions support LithTech technology.