For the 48 hour period beginning at 12:00 a.m. GMT on Sunday, September 2 and continuing until 11: 59 p.m. GMT on Monday, September 3, the following Xbox LIVE Arcade games will be available for half their usual price:

Small Arms - 400 Microsoft Points (normally 800 Microsoft Points)
Easy to pick up but hard to put down, "Small Arms" is a frantic multiplayer action game with the feel of an arcade shooter.

Zuma Deluxe- 400 Microsoft Points (normally 800 Microsoft Points)
Explore more than 20 realms in Adventure mode and put your skills to the test in this fast-paced puzzle game.

Gauntlet - 200 Microsoft Points (normally 400 Microsoft Points)
The original dungeon crawler lets four adventurers explore and fight together as a warrior, valkyrie, wizard, and elf.

Dig Dug - 200 Microsoft Points (normally 400 Microsoft Points)
Experience the fast-paced action of this quarter-cruncher from 1982 as you take control of Dig Dug himself and vanquish Pookas and Fygars.

Remember: If the game is available in your region, it will be available for the 'sale' price during the above time.