Microsoft announced that on Monday, March 5, at the start of the Game Developers Conference in San Francisco, four community game developer teams from four different countries each set out to create an original game using XNA Game Studio Express in just four days. Each XNA Game Studio Express Challenge team worked from Monday, March 5, to Thursday, March 8, at Windows Vista stations in the XNA Lobby Bar at the Game Developers Conference to bring their game to life (press 'read more' for details). You can download and play these games - XNA Game Studio Express is required.

XNA Game Studio Express v1.0 (81.11MB)

AbduX v1.0 Free Full Game (1.95MB)

Simian Escape v1.0 Alpha Free Full Game (66.74MB)

Damage Control Release 1 Special Build Free Full Game (45.59MB)