Ramble Planet
Could be interesting
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.
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.
Change is an emotional homeless survival experience set in a randomly generated city with rogue-like elements. Explore, survive, earn perks, find items and more to develop your character and escape to a new life.
Immortal: Unchained is an action role-playing game and third-person shooter with a high difficulty level and a focus on firearm combat, though basic melee weapons such as swords, axes, and clubs are also available. Enemies have critical weak points, typically the head and a glowing spot on their backs, that can be targeted for extra damage. The game is set in an alternate universe whose backstory draws on Norse mythology, spanning Nine Realms tied to a central artifact called the Monolith.
A brand-new spaceship sandbox MMO set in an alternate New Eden, the sci-fi universe of Eve Online.
Star Control: Origins is a science fiction action-adventure game that combines planetary exploration, diplomacy with alien races, and one-on-one ship-to-ship space battles. Players captain a starship, sending a lander to survey planets, gather resources, and examine artifacts, then spending those resources on new technologies, weapons, upgrades, and ships from other races. The top-down Fleet Battles pit two vessels against each other and can be played against the AI or in multiplayer. It is considered part of the Star Control series but takes place in a separate universe from the original games.
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.
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.
Legends of Equestria is a MMORPG where players play as a pony in a magical world filled with friendship and many adventures.
Force of Nature is an indie open world sandbox game with fighting, crafting, building and farming systems.