ARK
Stranded on the shores of a mysterious island, you must learn to survive. Also dinosaurs like lots of them.
Factorio
Factorio is a game about building and creating automated factories to produce items of increasing complexity, within an infinite 2D world.
Arma 3
Arma is a multiplayer open world realism based FPS.
CsGo
Run around and shoot.
Space Engineers
Build ships in space.
The Forest
After crashing in a plane you have to fight cannibalistic mutants to find your lost child.
Garry's mod
Far too much to explain what you can do.
Five M
FiveM is a modification for Grand Theft Auto V enabling you to play multiplayer on customized dedicated servers.
7 Days To Die
7 Days to Die is an open-world game that is a unique combination of first-person shooter, survival horror, tower defense, and role-playing games.
Tower Unite
A fun open world game full of many mini games PLAY, CREATE, PARTY! Tower Unite is a community-based virtual world party game with online games, entertainment, activities.
Wreckfest
Wreckfest is a demolition derby themed racing game with soft-body damage modeling, sophisticated driving dynamics and in-depth vehicle upgrading, featuring both demolition derbies and more traditional track races. It’s all about fun, breakneck racing and over-the-top crashes.
Satisfactory
Satisfactory is a first-person open-world factory building game with a dash of exploration and combat. Play alone or with friends, explore an alien planet, create multi-story factories, and enter conveyor belt heaven!