Games like Cepheus Protocol on Steam
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Rusted Warfare - RTS
{{An RTS inspired by the classics of the past!}} Making up for it's subpar retro graphics with fun gameplay and modern multi-threaded tech enabling huge battles to run smooth... Featuring singleplayer challenges, skirmish, sandbox, 10-player multiplayer & workshop modding.
From Glory To Goo
From Glory To Goo is a Sci-Fi survival RTS set on an alien world. Serve as humanity's bulwark by establishing a colony and supporting your colonists still in orbit. But beware, for The Goo, a relentless and shape-shifting force approaches from all sides, even above and below.
KeepUp Survival
Welcome to a world of survival on a deserted island, characterized by an incredible wildlife and abandoned structures. Immerse yourself in a game set in a natural and post-apocalyptic environment where your primary task is to survive in KeepUp Survival.
Dying Light 2 Stay Human: Reloaded Edition
Humanity is fighting a losing battle against the virus. Experience a post-apocalyptic open world overrun by hordes of zombies, where your parkour and combat skills are key to survival. Traverse the City freely during the day, but watch the monsters take over during the night.
Fallout Shelter
Fallout Shelter puts you in control of a state-of-the-art underground Vault from Vault-Tec. Build the perfect Vault, keep your Dwellers happy, and protect them from the dangers of the Wasteland.
Bad 2 Bad: Apocalypse
The open-world survival role-playing game "Bad 2 Bad: Apocalypse" tells the story of Delta Team and his comrades as they work to rebuild a world devastated by humans and their race turned into zombies.
Signs of Life
Signs of Life is a sci-fi survival sandbox platformer with a combination of procedurally generated and hand-crafted content. You'll explore mysterious locations, Mine blocks for resources, and meet strange (and some familiar) creatures, some of which don't even want to kill you and eat your corpse.