Top similar games like Steel Graves:
Steel Graves $9.99
A nervous Action / Strategy / Building game in multiplayer that oppose humans against aliens in huge battlefields. Build your base anywhere, upgrade your equipment, recruit hundreds of IA soldiers, and take part in the greatest intergalactic war.
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Starship Destroyer$0.99
A sci-fi space vehicle combat game, where the player must defend their capital ship from being destroyed, while attempting to destroy the alien force's own capital ship!
AI Olympius$12.99
Join the rebels in a third-person shooter with RPG elements and base-building mode. Fight against various combat drone models under the control of the supreme AI.
OuterstellarFREE
Stranded on a hostile and deadly planet, you must gather resources, build shelter, and fight to survive each night. But the secrets of this world await in a gripping sci-fi survival PvP game.
Fate of the World$9.99
Fate of the World is a dramatic global strategy game that puts all our futures in your hands. The game features a dramatic set of scenarios based on the latest science covering the next two centuries. You must manage a balancing act of protecting the Earth’s resources and climate versus the needs of an ever-growing world population, who...
SpacelordsFREE
Embark on an epic sci-fi, free-to-play adventure. Spacelords is a brand-new take on the shooter genre. Through its 4 vs 1 campaign, you experience both sides of the story: Join the Raiders in their fight to free the legendary Broken Planet, or switch sides and fight as the Antagonist alongside the invading hordes!
Future Tanks Area$0.99
3D third-person shooter game. Control a tank using a keyboard and mouse. Go through various maps and destroy bots on your way. Fight with two main bosses on your path to complete the game.
Space TekFREE
SPACE TEK, Command, Construct, Collect!Space Tek is an exciting free to play online starship combat game. Players build their dream ships out of a range of unique blocks, and tailor their ships. Then put the ships to the test alongside or against players and Ai in a multitude of gamemodes!
Astronaut Assault$9.99
Dive into Astronaut Assault, a third-person Sci-Fi tower defense game, and battle against relentless enemy waves in diverse arena settings. Arm yourself with an array of turrets, traps, and gadgets to halt, hinder, and outmaneuver your foes.
Star Control III$3.99
The universe is on the brink of destruction. It’s up to you to embark on an epic adventure of strategy and diplomacy to save thousands of worlds from total annihilation. But no pressure, right?
REVNFREE
REVN is a free-to-play, third-person MOBA shooter set in a dark futuristic world. Fully customize your character appearance and loadout to cater to your unique playstyle. Defend your core at all costs and ruthlessly destroy your enemies in fast-paced 5v5 MOBA action.