Sonic XS is an online Flash game published on the 4Kids TV website by 4Kids Entertainment in January 2005 to promote the then-airing anime series, Sonic X. An identical game named Shadow XS featuring Shadow the Hedgehog as the playable character was published shortly after in February 2005, and an updated version of Sonic XS with modified graphics and the addition of cheat codes was published in June 2005.
![[screenshot]](/serve/sonic_xs/sonic_xs_screenshot.gif)
