Official Xbox Magazine: Volume 21: August 2003

Official Xbox Magazine (OXM) Demo Disc #21 was released alongside Issue 21 of the magazine in July 2003 (bearing the cover date of August 2003). Serving as a showcase for mid-summer 2003 releases, the disc featured four full interactive playable game demos: action-platformer Voodoo Vince, sci-fi shooter Mace Griffin: Bounty Hunter, arcade combat racer Splashdown: Rides Gone Wild, and motorcycle racing simulator MotoGP 2.

In addition to interactive gameplay, the disc included downloadable content (DLC) saves and extra media features. Highlights featured non-playable video trailers and first-look previews for upcoming titles such as Dungeons & Dragons: Heroes, Gladius, and Freedom Fighters, alongside OXM's monthly Top Plays segment.