TripleA - TripleA is a free (under GPL) turn based strategy game based on Axis & Allies board game.
Call of Duty - Call of Duty is a first-person and third-person shooter series by Infinity Ward.
ThumbZilla - Awesome thumb stomping and kicking action game.
Xonotic - Xonotic is a free (GPL), fast-paced first-person shooter that works on Windows, OS X and Linux.
Warlight - Warzone is a customizable Risk-like strategy game where you compete with your friends to conquer the world.
Battlefield - The latest news and updates for all things Battlefield, the EA and DICE video game franchise.