Slither.io - Slither.io is a multiplayer online video game. Players control an avatar resembling a worm, which consumes multicolored pellets, both from other players and ones that naturally spawn on the map in the game, to grow in size.

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

Shell Shockers.io - new io game online Shell Shockers

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

Agar.io - The smash hit game! Control your cell and eat other players to grow larger! Play with millions of players around the world and try to become the biggest cell of all!

Unreal Tournament - Unreal is a series of first-person shooter video games developed by Epic Games.