In approximately ONE YEAR, in December 2021, online services for legacy Halo Xbox 360 titles will be discontinued. Owners of these titles will still be able to play these games indefinitely, however, certain online features and experiences, particularly online matchmaking, will be limited or disabled. The Games on Demand version includes only the Campaign and Firefight modes. It does not include the Halo 3 competitive multiplayer functionality or maps. The Games on Demand version supports English. Download the manual for this game by going to http://support.xbox.com/games/xbox-game-manuals and selecting "Halo 3: ODST". Halo 3: ODST drops you into the world of the legendary Orbital Drop Shock Troopers as you embark on a dangerous mission to discover what was behind the Covenant’s attack on the city of New Mombasa. Halo 3: ODST’s gripping story and co-operative campaign will give all fans an exciting new perspective on the Halo universe.