Microsoft and 343i have just released Halo 3: ODST on Xbox One. The game, which has been given to early adopters of Halo: The Master Chief Collection by way of compensation after it launched with broken multiplayer, features the campaign that originally launched on Xbox 360 back in 2009.
While the campaign remains intact, there's no Firefight mode, which will no doubt be disappointing to players who were looking forward to some competitive multiplayer PvE:
"Our focus is enhancing the Campaign for Halo 3: ODST, including it within Halo: The Master Chief Collection, and ensuring it delivers a great experience on Xbox One in 1080p and 60fps. It does not include the Firefight game mode and contains the Campaign only," said 343i.
Eligible players will by now have received a message on Xbox Live giving them a code which they will be able to redeem in exchange for their free copy of the game. These messages will remain until June 30, at which point latecomers will need to contact the support forums (details here).
Anyone not eligible for a free copy of the campaign won't have too long to wait; it'll be available on the Xbox Store "soon" and will cost $4.99 (we'll update you with UK/EU pricing as soon as we have it).
Meanwhile, Halo 2 map Relic has been remastered and released as Remnant, and the new arena is available for all Halo: MCC players to download as part of a 2.4GB update that also landed today.