Games like Ark: Survival Ascended
Rebel Galaxy Outlaw
Rebel Galaxy Outlaw is an open-world space combat adventure game, spread across the nearly 40 systems of the Dodge Sector. Play as a mercenary, a trader, a pirate, or whatever mix of the three you feel fits you best. With an engaging storyline and a full conversation system, you can follow the narrative, or ignore it and forge your own path at any time.
Sky Break
Sky Break is an open-world game on a stormy abandoned planet filled with wild mechas. Learn to master this world and to hack the mechas if you want a chance to survive.
Star Control: Origins
The Earthlings have joined the interstellar club. The galaxy will never be the same. The year is 2086 and Earth has detected an alien distress call originating from the surface of Triton. In response, Star Control is formed with you as The Captain of Earth's first prototype starship.
Force of Nature
Force of Nature is an indie open world sandbox game with fighting, crafting, building and farming systems.
Gene Rain
Gene Rain is a next-gen 3D third person shooter game. The story is set in a futuristic world, with a linear narrative structure, and uses shocking visual effects to present a brand new world for the players ' enjoyment.
Savage Lands
A New Land, A New Life: Savage Lands is a gritty, brutal, first-person open-world fantasy survival experience in which players have only one goal: Stay Alive. Explore a world where days and nights are spent slaughtering vicious creatures, gathering scarce resources, building shelter and crafting powerful weapons needed to survive. Every decision counts, because one mistake can lead to an unfortunate encounter with death's cold embrace.
Rising World
Rising World is an open-world sandbox game with randomly generated, fully destructible environments. Starting with the most basic of tools, collect resources to survive in the wildness. Evolve your world to create one of the biggest cities of all time or a gigantic castle, or simply let your imagination run riot! If being creative is all too much, just connect with your friends and get them to help. Rising World is a procedurally generated world, with fully textures landscapes, over 200 different building materials, loads of tools and many other items to help you create OR destroy your world without any restrictions.
Dude Simulator
Dude Simulator is an open world sandbox game. This is a life simulator. The main objective is to enjoy what you are doing.
Grav
GRAV is a sand box experience where you explore a multitude of planets, hunt strange alien creatures, build and defend outposts, craft weapons and armor, and attempt to survive against other players in a hostile environment.
Miscreated
Miscreated is a multiplayer online hardcore survival game set in a post-apocalyptic future. You will need to survive against mutants, players, and even mother nature herself.