Call of Duty - Call of Duty is a first-person and third-person shooter series by Infinity Ward.

TripleA - TripleA is a free (under GPL) turn based strategy game based on Axis & Allies board game.

Quake - Quake is a series of first-person shooter video games released by id Software.

Puzzle Strike - Puzzle Strike is a Puzzle, Board, Single and Multiplayer video game created and published by Sirlin Games.

Xonotic - Xonotic is a free (GPL), fast-paced first-person shooter that works on Windows, OS X and Linux.

Othello - Othello is a Puzzle, Board, Single and Multiplayer video game in which the main task of the player increases his marbles in order to win the game.