Xanthiom is an Atari 2600 homebrew game developed by Mathan Games in 2023. The player controls Lieutenant Grisham, on a mission to rid the threats to the galaxy on the planet Planet Coati 5. This homebrew is very much a take on what the original NES Metroid would be like on the Atari 2600 with the limitations therein.

Darkman425 and nymx save the galaxy whilst collecting every item in the game.