Rust Game - Rust’s world is harsh. The environment is not kind. Bears and wolves will chase and kill you. Falling from a height will kill you. Being exposed to radiation for an extended period will kill you. Starving will kill you. Being cold will kill you.
Borderlands - Borderlands is a science fiction first-person shooter with RPG elements made with cel-shaded...
Arma - Experience true combat gameplay in a massive military sandbox.
Bulletstorm - In this sci-fi first person shooter, players take on the role of mercenary Grayson Hunt in an attempt to get off a hostile alien planet and get a little bit of vengeance along the way.
PayDay 2 - PayDay 2 is an Amazing, Action-Adventure, Online, Co-op, FPS, Heist, Team-based, Single and Multiplayer video game developed by Overkill and published by 505 Games.
Urban Terror - Urban Terror started as a realism based "total conversion" mod for Quake III Arena.