Each Nintendo console was developed under a code name, and Nintendo hides the consoles' code name as a 3-4 letter abbreviation on the game or console's box or cartridge. For Example, somewhere above the bar-code on Pikmin is the label "DOL P GPVP" DOL stands for Dolphin, the GameCube's Code name.

The code names and abbreviations are:
(NES) for the Nintendo Entertainment System (acronym).
(SNES) for the Super Nintendo Entertainment System (acronym).
(DMG) Dot Matrix Game, code name of the Game Boy.
(NUS) Nintendo Ultra 64 (sixty-four), code name of the Nintendo 64.
(CGB) For the Game Boy Color, assumed to mean Color Game Boy.
(AGB) Atlantis, code name of the Game Boy Advance (Atlantis/Advance Game Boy).
(DOL) Dolphin, code name of the Nintendo GameCube.
(NTR) Nitro, code name of the Nintendo DS.
(RVL) Revolution, code name of the Nintendo Wii.
(CTR) For the 3DS, the Codename of the 3DS is still unknown.
(WUP) For the Wii U which may simply stand for 'Wii U Project', though its code name was Cafe.