In September 1989, Nintendo introduced its newest console to Europe. It was a grey plastic brick, a palm-filling lump, whose green-tinted LCD screen filled comparatively little of its bulk.
Gamers fell in love with it the moment they heard the "ping" of its startup sequence.
Twenty five years on, and the Game Boy still has a place in our hearts - but not our pockets. Sure the 3DS is a capable successor, but it doesn't quite have the same draw as Nintendo's original handheld. Which might explain why each of these concept designs has our thumbs acting all twitchy.
These are the best Game Boy concepts we wish Nintendo would turn into a reality.