Microsoft is giving away Halo 3 for free to any Xbox Live Gold subscriber until October 31, as part of its ongoing Games with Gold promotion.
The usual price for the game is $14.99, but Microsoft is looking to add to the rank and file of its Xbox Live Gold subscriptions.
The "Alien" director will serve as executive producer on the project, which is due to be released later this year.
Halo was first released in 2001 for the Xbox, and has racked up some impressive numbers over the succeeding 11 years.
Microsoft and Activision are teaming up to give 'Guitar Hero III' players a free download of the 'Halo' theme song.
The console will bring with it more than 70 games, including exclusive content, free-to-play games, and "blockbuster" titles, says Microsoft.
Program that gives Xbox Live subscribers free games twice a month is being extended by Microsoft indefinitely.
Apple adds Siri support for its Podcasts app, Microsoft may put Cortana in more devices, and we wait for a new Surface and Halo 5.
Believe it or not, Halo 4 might be the start of an even better trilogy than before.
There's a new superphone in town. Is it worth your money? Also, Apple's got a new beta for you. That and more in this week's rundown of all the tech news.