Xbox 360

The Ultimate Doom, named simply Doom on the service, was released as a download for the Xbox 360 on the Xbox Live Arcade service on September 27, 2006. A one-level trial version can be downloaded for free, or the full version can be bought for 400 Microsoft Points ($5 US). The port was developed by Nerve Software and Vicarious Visions.

A matching port of Doom II was released on May 26, 2010. This port includes a new episode, No Rest for the Living. The Doom II port and new episode were also developed by Nerve Software.

Differences between the Xbox 360 and PC versions
The game is an accurate port of the PC version, but features several differences.

New features

 * High definition video mode (1080i) support.
 * Online multiplayer with a lobby function.
 * Splitscreen multiplayer.
 * 5.1 surround sound.
 * Leaderboards.
 * Achievements.

Changes

 * The controller buttons cannot be rebound.
 * Exit switches and portals are deactivated in deathmatch games.
 * In cooperative games a key picked up by one of the players is added to the inventory of all the other players as well.
 * No cheat codes.
 * The ability to freely scroll the automap is disabled (i.e. the automap is always in follow mode).
 * The gamma setting can not be altered.
 * The menu is different.
 * The button to return to the level's start after dying is fire instead of use.

Bugs

 * Various monsters are not in fast mode on the Nightmare skill level.

Achievements
Doom has 12 achievements, totaling 200 Gamerscore.

Achivements
Doom II has 12 achievements, most of which are earned in similar ways as the Doom port's achievements. The Doom II achivements are named after lines in the Doom comic.

Trivia
The Doom II Live Arcade port was accidentally released on the Japanese Liva Arcade marketplace prior to the intended release.