Xbox Live Marketplace - Multiplayer Red Faction demo, Halo Wars modes and F.E.A.R. and Riddick maps

Lots of multiplayer action this week on Xbox Live Marketplace with the new Red Faction: Guerrilla multiplayer demo and expansion pack maps and modes for games like F.E.A.R. 2, Halo Wars, Chronicles of Riddick and Red Alert 3, plus a teaser video for Modern Warfare 2:

• Arcade: Blazing Birds ($5) and Gel ($10), plus Buku Sudoku Puzzle Pack 6 ($2.50)
• Halo Wars Strategic Options Add-on Pack ($10) with three game modes Keepaway, Reinforcements and Tug of War
• F.E.A.R. 2 Armored Front Map Pack ($7) with two multiplayer maps
• HAWX Russian Falcons Pack ($5)
• The Chronicles of Riddick: Assault on Dark Athena Premium MP Pack ($10) with five maps including the Butcher Bay Riot map, plus Escape From Butcher Bay Commentary Mode (free)
• Red Alert 3 Decimation Map Pack ($5) with six maps
• Sonic Unleashed Apotos & Shamar Adventure Pack ($3.13) with five day and four night stages after you unlock Apotos & Shamar
• Guitar Hero World Tour European Track Pack 05 ($5.50 or $2 each) with "Look Good In Leather" by Cody Chesnutt, "Oh Yeah!" by Housse de Racket and "Disconnected" by In Flames.
• Rock Band/Rock Band 2 Alice Cooper Pack 01 ($10 or $2 each) with "Vengeance Is Mine," "Under My Wheels (Live)," "School's Out (Live)," "Poison," "I'm Eighteen (Live)" and "Billion Dollar Babies (Live)" and Taking Back Sunday Pack 01 ($5.50) with "What's It Feel Like to Be a Ghost?," "Make Damn Sure" and "Liar (It Takes One to Know One)"
• Lips New Edition Song Pack ($5.50 or $2 each) with "Mr. Telephone Man," "Cool It Now" and "If It Isn't Love" and track ($2) "Take Me Home, Country Roads" by John Denver
• Demos: Red Faction: Guerrilla multiplayer, Tiger Woods PGA Tour '10 and Up
• Community Games (usually $2.50-$10 each): Cubix Classic, Dock'em, GravSheep, The Mystic Orb, SpeedMath, Sqong, StreamLine, Ultra Dual X Racer and What The?!
• Game Videos: The Bigs 2, Modern Warfare 2, Red Faction: Guerrilla and Tiger Woods PGA Tour '10
• Themes: Blazing Birds Premium ($3.13), Call of Juarez: Bound in Blood Premium ($3.13), Crackdown Premium ($3), F.E.A.R. 2 Premium ($3), Gel Premium ($3), Virtual On Premium ($3.13), Nestea (free), Sprint (free), The Taking of Pelham 123 and U.S. Air Force (free)
• Pictures: Battlestations: Pacific (free; enters you in sweepstakes), Blazing Birds ($1 each), F.E.A.R. 2 ($1), Gel ($1), Virtual On ($3.13 each), Nestea (free), The Taking of Pelham 123 (free; one enters you in sweepstakes) and U.S. Air Force (free)