Fans of Gears of War 2 can now download four new multiplayer maps from the Xbox Live Marketplace that allows a user to trudge, crawl and roadie run through the harshest of weather conditions.

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Spanning tunnels, bridges, courtyards and offices, players can sharpen their skills on the four new maps in the Snowblind add-on: Grindyard, Under Hill, Courtyard and Fuel Depot. All maps are playable on every “Gears of War 2” multiplayer mode, including the highly popular Horde mode.

Microsoft has also added nine new achievements worth 250 points to Gears of War 2. Here’s the complete list of achievements, points and descriptions:

• “Rookie Gear” (10 points): Earn enough multiplayer experience to reach level 5 (Public only).
• “Seasoned Gear” (20 points): Earn enough multiplayer experience to reach level 15 (Public only).
• “Battle-Tested Gear” (30 points): Earn enough multiplayer experience to reach level 25 (Public only).
• “Battle-Hardened Gear” (50 points): Reach level 50 and play a match on each of the four Snowblind Map Pack maps (Public only).
• “Veteran Gear” (75 points): Reach level 100 and win a match on each of the four Snowblind Map Pack maps (Public only).
• “Never Eat Red Snow” (20 points): Complete waves 1 through 10 on all Snowblind Map Pack maps in Horde (any difficulty).
• “Icy Dead People” (25 points): Complete waves 1 through 50 on any Snowblind Map Pack map in Horde (any difficulty).
• “Frigid Body Dynamics” (5 points): Play a multiplayer match on each of the four Snowblind Map Pack maps (any mode).
• “The Weather Outside Is Lethal” (15 points): Win a multiplayer match on each of the four Snowblind Map Pack maps (any mode).

The Gears of War 2 Snowblind Map Pack add-on will be available for download on Xbox LIVE Marketplace starting today for 800 MS Points.