Games like M.A.R.S.

The Forever Winter is a tactical shooter where you and your squad must loot the dead to survive beneath gargantuan war machines in a dystopian future of AI automata, cybernetically enhanced soldiers, and endless conflict. Millions of deaths later, the war continues with our latest update!

Embody the superhuman skill and brutality of a Space Marine. Unleash deadly abilities and devastating weaponry to obliterate the relentless Tyranid swarms. Defend the Imperium in spectacular third-person action in solo or multiplayer modes.

Aliens: Fireteam Elite is a cooperative third-person survival game set in the iconic Alien Universe. Battle through hordes of different types of Xenomorph, customize your character and gear, and level-up as you try to contain this ever-growing threat.

Battle for survival against endless alien hordes with your friends! The Anacrusis is a first-person shooter that dynamically adjusts difficulty to you. Experience intense 1-4 player co-op action or play as the aliens and stop your friends in 1-8 player Versus mode. Full Steam Workshop support!

Gear up for tactical mech action in War Robots: Frontiers, a free-to-play multiplayer mech shooter. Construct and customize, squad up with Pilots online, and fire up your engines in massive intergalactic battles.

The Dream is a minimal extraction adventure game, enter a dystopian vision in a post world war 3 set in Barcelona 2033. Survive, explore and clean the radioactive AI slop in Barcelona . Warning there is AI dropping slop everywhere, join the heroes of the plaza and save the city

Awaken as an unstoppable warrior and battle alongside your friends in this story-driven free-to-play online action game

A space marines team-based TPS (third person shooter).

Nu Earth: a poisoned planet where endless war rages between the Norts and the Southers. A futile struggle on a hostile planet with no end in sight. But there are tales of a lone warrior. A man who knows no allegiance, the Rogue Trooper!

Deadzone: Rogue is a roguelite FPS set in space. Blast through swarms of hostile machines, combine powerful augments and elements to forge your build, and grow stronger with each run — solo or in co-op.

War Robots is an online third-person 6v6 PvP shooter—we’re talking dozens of combat robots, hundreds of weapons combinations, and heated clan battles.

Fight against rebel robots together with your friends and save planets from invasion....

New chapter in history of the legendary game, including 10 story missions.

Pilot your fully customizable Arsenal mech and join your fellow mercenaries in defending humanity from the corrupted machines and gigantic robots in this post-apocalyptic action game!

The year is 3015. The battlefields are dominated by war machines known as BattleMechs. Level entire cities and decimate the enemy in your BattleMech. Follow a quest for glory and revenge. Manage an expanding mercenary company. Fight alongside your friends with a four-player PvE co-op.

SYNTHETIK 2 is a unrelenting tactical-shooter rogue-lite. Play alone or with friends. Loot powerful tech. Experience the next level in gun-play. Upgrade your androids to rival the machine gods!

Commander, customize and build your Mechanical Assault Skeleton Suit (M.A.S.S.) and lead the fight against an alien invasion bent on exterminating the human race. The fate of humanity is in your hands.

In POPS, every bullet fired pushes you further into the chaos of war. The story-driven campaign throws you into the boots of an elite operative. Fight through a series of intense missions, face overwhelming odds, unexpected betrayals, and brutal firefights where only the strongest survive.