Ataxx (?????) is a strategy video game that was published in arcades by The Leland Corporation in 1990. It also appeared the same year as Spot: The Video Game and later as the Microscope Puzzle from the 1993 CD-ROM game The 7th Guest. The game was invented by Dave Crummack and Craig Galley in 1988 and was originally called Infection. It was first programmed on Amiga, Commodore 64, and Atari ST.