Dead or Alive Ultimate features the original SEGA Saturn version of Dead or Alive as well as a totally redesigned Dead or Alive 2 along with more costumes and more features including the addition of Live! support so the player can take their fight online.
Halo 1: NHE is a modded version of Halo: CE that allows for a dedicated Xbox to host games between two joining Xboxes on LAN. This allows for players on two separate Xboxes to play against each other without one Xbox having the advantage of being on host (i.e., both Xboxes are essentially playing on a dedicated server). It also includes other technical tweaks and new maps.
A cancelled spinoff game in the Conker franchise which would’ve been a medieval themed first person shooter starring Gregg the Grim Reaper as the main character, whilst Conker would simply make a guest appearance.
Crazy Taxi Next was a game that was announced at Microsoft's E3 2001 Press Conference, it would have featured online play and a day/night cycle with changing passengers and locations. However, the final release of Crazy Taxi Next was scaled back and dropped these innovations in favor of a much more direct sequel to Crazy Taxi 2.
Shikigami No Shiro Evolution for Xbox is an update of the original version of Shikigami No Shiro which was released in March 2002. The new version has an improved AI, new characters, and new game modes not found in the original. Available as 2 versions (blue & red cover).
A cancelled follow up to Munch’s Oddysee that would’ve been the second game outside the main quintology. The story would’ve had Munch with the last can of Gabbiar that he got hold of in the good ending of Munch’s Oddysee venture out to the Ma Spa where the Gabbit eggs would be fertilised and hatched into Gabbiwongs, of which would then begin their life cycle to save the Gabbit race from extinction.
Crash vs Spyro Racing is a cancelled crossover racing game featuring characters from the Crash Bandicoot and Spyro series. The game was developed for the original Xbox by LT Studios.
Zunou Taisen Live (lit. "Brain Battle Live") was a game that was included alongside the Xbox Live Starter Kit during the Xbox Live launch in Japan. It contains four board games that can be played over Xbox Live, including Othello, Go, Mahjong, and Shogi.
Counter-Strike, the world's most popular online action game and first-person shooter for the PC, makes its console debut exclusively on Xbox and Xbox Live. Counter-Strike for Xbox features single-player missions, taking place over a gritty realistic counterterrorist world. It allows gamers to challenge other players in team-based multiplayer games on Xbox Live and System Link.
A standalone release of the expansion Doom 3: Resurrection of Evil. It includes the main game, the expansion, The Ultimate Doom (Xbox port, with its extra stage), Doom II (Xbox port, with its extra stage) and Master Levels for Doom II.
Doom II was included in Doom 3 Collector's Edition for the Xbox, which was released in 2005. This port includes an exclusive level, "Betray". It featured multiplayer like the PC version, however not through Xbox Live. This port was programmed by Vicarious Visions. The Xbox version of Doom 3: Resurrection of Evil also contains this same port, as well as Master Levels for Doom II.
The Ultimate Doom was included in Doom 3 Collector's Edition for the Xbox, which was released in 2005. This port includes an exclusive level, "Sewers". It featured multiplayer like the PC version, however not through Xbox Live. This port was programmed by Vicarious Visions. The Xbox version of Doom 3: Resurrection of Evil also contains this port.
This particular "port" actually appears to be an emulation of the aged DOS version of the game; furthermore, it seems to have been somewhat rushed, as it is somewhat limited in functionality, and has a few bugs and design quirks.
Silent Hill Exotica is a mod for the Xbox version for Grand Theft Auto: Vice City that is based on the Silent Hill series. The mod was considered lost media for years, often times just being considered a myth, until it later resurfaced in 2023.
The Special Edition of Star Wars Starfighter for Xbox features high-quality air and space combat, with added missions, a two-player mode, expanded racing and capture-the-flag play, and improved graphics. Set in the Star Wars universe and inspired by The Phantom Menace, players must save Naboo from the Trade Federation's invasion. Players choose from three pilots, each with a unique ship: Rhys, a Naboo pilot-in-training with the N-1 starfighter; Vana, a Naboo expatriate with an ultra-fast, stealthy ship; and Nym, an alien pirate with a powerful, heavily armed starship.