50% off Acti content on XBL this week

A raft of Activision content is going cheap on Xbox Live this week, including Call of Duty map packs and new music for Guitar Hero.

DLC for DJ Hero, DJ Hero 2 and Transformers: War for Cybertron also join the 50 per cent off promotion, as well as various Xbox Live Arcade titles, which runs until 17th January. There will be similar price cuts on EA games the following week.

Here's the full run down of what's available, courtesy of Major Nelson's blog:

Full 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

Call of Duty 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: War for Cybertron:

• Transformers WFC Map & Character Pack #1 Normally: 800 Sale: 400
• Transformers WFC Map & Character Pack #2 Normally: 800 Sale: 400