It was the first system in SNK's Neo Geo family. GEO and also written as NEOGEO, is a ROM cartridge-based arcade system board and fourth generation home video game console released on April 26, 1990, by Japanese game company SNK Corporation.
The Neo Geo ( Japanese: ネオジオ, Hepburn: Neojio), stylized as NEO 320×224 resolution, 4096 on-screen colors out of a palette of 65536