Warface is a free-to-play, online first-person shooter developed by the Ukrainian game developer Crytek. It was first released for Xbox 360 in April 2013 and later for Windows, PlayStation 4, and Xbox One. The game features an array of multiplayer modes, including team deathmatch, capture the flag, and domination. It also contains a PvE (player versus environment) mode in which players fight off waves of enemies to complete objectives. Warface is set in a near-future, sci-fi world and players take on the role of a soldier fighting against a variety of enemies, ranging from human mercenaries to robotic drones. Warface also contains a number of customization options, such as the ability to customize your character's appearance and abilities.
Discontinued No further updates since November 2013: http://assault.cubers.net/ (like Alien Arena, also noted to be discontinued).