XBL Games on Demand adds Vanquish, DiRT 2, more

Xbox Live's Games on Demand service gains several new games today. Most notable among the four titles is probably Vanquish, which can be had for a steep $40. DiRT 2 is also available for $30, while either Velvet Assassin or Operation Flashpoint: Dragon Rising can be had for $20.

• Vanquish $40 [Xbox.com]
• DiRT 2 $30 [Xbox.com]
• Velvet Assassin $20 [Xbox.com]
• Operation Flashpoint: Dragon Rising $20 [Xbox.com]