Activision has put a majority of their titles on sale over at XBL starting today till Jan 17.

All of the below stuff has been slashed off by 50% of their original price:

Games

• Arkadian Warriors Normally: 800 Sale: 400
• Assault Heroes Normally: 400 Sale: 200
• Assault Heroes 2 Normally: 800 Sale: 400
• Carcassonne Normally: 800 Sale: 400
• Golf: Tee it Up! Normally: 800 Sale: 400
• Crash Bandicoot Normally: 1200 Sale: 600
• Legend of Spyro Normally: 1200 Sale: 600

Add-ons

• Call of Duty 2 Invasion Map Pack Normally: 800 Sale: 400
• Call of Duty 2 Skirmish Map Pack Normally: 400 Sale: 200
• Call of Duty 3 Bravo Map Pack Normally: 400 Sale: 200
• Call of Duty 3 Valor Map Pack Normally: 400 Sale: 200
• Call of Duty 4 Variety Map Pack Normally: 800 Sale: 400
• Call of Duty World at War Map Pack 1 Normally: 800 Sale: 400
• Call of Duty World at War Map Pack 2 Normally: 800 Sale: 400
• Call of Duty World at War Map Pack 3 Normally: 800 Sale: 400
• Call of Duty World at War Map Pack Bundle Normally: 2000 Sale: 1000

Guitar Hero 5

• Rock 1 Pack Normally: 880 Sale: 440
• Megadeth Pack Normally: 440 Sale: 220
• Avenged Sevenfold Pack Normally: 440 Sale: 220
• Disturbed Pack Normally: 440 Sale: 220
• Fall Out Boy Pack Normally: 440 Sale: 220

Guitar Hero Warriors of Rock

• Soundgarden Telephantasm Album Normally: 1440 Sale:720
• Linkin Park Pack Normally: 960 Sale: 480
• Rocky Horror Picture Show Pack Normally: 440 Sale: 220
• My Chemical Romance Pack Normally: 600 Sale: 300
• Guitar Hero Warriors of Rock Pack1 Normally: 1600 Sale: 800

DJ Hero

• David Guetta Pack 1 Normally: 640 Sale: 320
• Jay-Z vs. Eminem Mix Pack Normally: 640 Sale: 320

DJ Hero 2

• Hit Makers Mix Pack Normally: 640 Sale: 320
• Electro Hits Mix Pack Normally: 640 Sale: 320
• Transformers WFC Map & Character Pack #1 Normally: 800 Sale: 400
• Transformers WFC Map & Character Pack #2 Normally: 800 Sale: 400

That’s a hell of a lot of games and we suggest you should grab a few DLCs.