Definitions for "Metroid"
a creature from the series of the same name for the NES
a monster that has the ability to suck the life-force out of any living creature
The games are a series of video games produced by Nintendo. One of the company's most successful franchises, the series spans through several Nintendo systems, starting with Metroid (1986) on the Famicom Disk System, and various ports, sequels, and remakes on the NES, Game Boy, Super NES, Game Boy Advance, GameCube, Nintendo DS and Wii.