Call of Duty - Call of Duty is a first-person and third-person shooter series by Infinity Ward.
Lunacraft - Lunacraft focuses on Endless Creativity and Exploration elements.
Xonotic - Xonotic is a free (GPL), fast-paced first-person shooter that works on Windows, OS X and Linux.
Roblox - Reimagining the way people come together.
Unreal Tournament - Unreal is a series of first-person shooter video games developed by Epic Games.
Terraria - Dig, Fight, Build! The very world is at your fingertips as you fight for survival, fortune, and glory.