The Forest is a great survival game where you need to craft items & build shelters to survive through the cannibals which inhabit the island.

Garry's Mod is an amazing sandbox game where you can do almost anything that strikes your mind, and where creativity is your fuel.

Company of Heroes 2 is a fun, medium paced realistic strategy game where you rely on your units to fight through the battlefield and crush your opponent

Euro Truck Simulator is a fun game where you can haul cargo from different cities.

Euro Truck Simulator 2 is a more polished and developed multiplayer simulation game from its predecessor, Euro Truck Simulator.

DayZ is a fun multiplayer game where you have to find & craft items for your survival from zombie hoards and other competitive players.

Arma 3 is a singleplayer and multiplayer game with an amazing campaign. Multiplayer gameplay has many various options from roleplay, to deathmatch

CS:GO is a very face-paced and extreme first person multiplayer shooter. The tension always pumps up your adrenaline levels.

Unturned is a very fun and entertaining game with aspects of both a survival and roleplaying game. You could put hours into the game and it'd be fun.