Many players who grew up with these games seek to relive their childhood memories. Playing Metal Slug 6 or similar titles can evoke a sense of nostalgia and provide a nostalgic escape from modern gaming.

Leo, a retro-game courier with a van full of CRTs, wasn't there for high scores. He was there for a ghost. A rumored prototype of Metal Slug 6 —not the Atomiswave port, but a native Neo Geo ROM that supposedly broke the cartridge format's limits.