Microsoft has announced the launch line-up of titles that will be available from the Games on Demand store when the summer Xbox 360 update is rolled-out on August 11.

The Games on Demand store will launch with 21 titles which can be purchased and downloaded directly to your Xbox 360. These include Ubisoft's Assassin's Creed, EA's Burnout Paradise and Microsoft's Viva Piñata 2: Trouble in Paradise.

Launch line-up:

Assassin's Creed (Ubisoft)

Burnout Paradise (EA)

Call of Duty 2 (Activision)

Elder Scrolls IV: Oblivion

Fight Night Round 3 (EA)

Kameo: Elements of Power (Microsoft Game Studios)

LEGO Star Wars: The Complete Saga (LucasArts)

Mass Effect (Microsoft Game Studios)

Meet The Robinsons (Disney)

MX vs. ATV Untamed (THQ)

Need for Speed Carbon (EA)

Need for Speed: Most Wanted (EA)

Perfect Dark Zero (Microsoft Game Studios)

Prey (2K Games)

Rockstar Games Presents Table Tennis (Rockstar Games)

Sega Rally (Sega)


Tom Clancy's Rainbow Six Vegas

Tomb Raider Legend (Eidos)

Viva Piñata (Microsoft Game Studios)

Viva Piñata 2: Trouble in Paradise (Microsoft Game Studios)

Pricing details have not been revealed, but Microsoft has confirmed that Xbox LIVE users will be able to make purchases using a credit card.