Microsoft is set to breathe new life into a number of its flagship titles with new multiplayer game content this Spring.

Kicking off the new arrivals on March 31st is the Snowblind map pack for“Gears of War 2, which gives players four new, winter-themed environments: Grindyard, Under Hill, Courtyard, and a frozen version of the Gears of War favourite, Fuel depot. Hot on the heels of Snowblind comes the Halo 3 Mythic Map Pack, releasing 9th April with three new maps: Assembly, Orbital and Sandbox. Both Game Add-ons will be available on Xbox live for 800 Microsoft Points.

In addition to the exclusives mentioned above, Xbox 360 is the only console where you can extend your play with game Add-ons from many of the year’s top titles, including a new Fallout 3 episode, The Pitt (24th March) and the “Left 4 Dead” Survival Pack (21st April.)