Designers have created hundreds of games for this mini video game player, which gave kids across America a digital way to twiddle their thumbs. The primitive screen — basically black and green — wasn't anywhere close to today's standards, but for simple titles like Tetris, the first game packaged with the Game Boy, color wasn't a big deal. Game Boy has morphed into today's DS model and faces tough competition from Sony's PlayStation Portable (PSP).
By Jeremy Caplan and Brendan Lowe