Zero Caliber VR
A VR military shooter where you fight through a dystopian water war, solo or with up to three friends.
78% of 3,771 Steam reviews are positivePlayers online now: 8$7.49
Games like Interstellar Marines
Want something that feels tense and cinematic the way Interstellar Marines does? You will find a few strong contenders among these games. Plenty here let you team up if you like.
GROUND BRANCH
A tactical shooter built the slow, deliberate way: true first-person, deep weapon and gear customization, and unforgiving firefights where one mistake ends the round. Play 8-player co-op or 8v8 PvP with friends who plan before they shoot. Take your time, think ahead, get the job done.
Also in Co-op · Tense, Competitive, Dark
83% of 22,530 Steam reviews are positivePlayers online now: 264$29.99Six Days in Fallujah
A realistic tactical shooter built on true stories from the Second Battle of Fallujah. Clear houses room by room with an AI fireteam or three friends, against enemies who flank, ambush and set traps. Procedural buildings mean no two missions play the same, and every door could be your last.
Also in Co-op · Tense, Cinematic, Dark
79% of 13,105 Steam reviews are positivePlayers online now: 40$39.99Angels Fall First
A sci-fi war where every layer is playable. Fight as infantry, fly fighters, pilot capital ships with walkable interiors, or command the whole battle from the bridge. Board enemy vessels and take them from the inside, alone or with up to 64 players and bots filling every seat.
Also in Co-op · Tense, Competitive
81% of 3,897 Steam reviews are positivePlayers online now: 20$17.99Starship Troopers: Extermination
A 16-player co-op FPS on the far frontlines of the war against the Bugs. Squad up, grab your Morita rifle, build a fortress, and hold the line while hundreds of Arachnids come pouring over the walls. Fast, frantic and gloriously messy: this is bug hunting at planetary scale.
Also in Co-op · Tense
80% of 29,799 Steam reviews are positivePlayers online now: 333$29.99Warbox
A sandbox game that enables players to watch or take part in a warzone. Players will have access to a variety of tools and features that give them access to customize and change the battlefield however they like.
Tense, Dark
54% of 3,458 Steam reviews are positive$9.99Marauders
A tactical extraction shooter in a gritty alternate 1990s where the Great War never stopped. Gear up, fly your ship into hostile space, raid frigates and asteroids for loot, and get out alive. Every run risks the kit you brought, and other pirates want yours.
Also in Co-op · Tense, Competitive, Atmospheric
68% of 13,525 Steam reviews are positivePlayers online now: 13$29.99Gray Zone Warfare
A PvE-first open-world tactical shooter on a quarantined island torn by faction warfare. Deploy solo or with a squad, run 250+ tasks, earn reputation, loot and tune your guns, and pick apart the mystery behind the Event at your own pace.
Also in Co-op · Tense, Competitive, Atmospheric
72% of 71,398 Steam reviews are positivePlayers online now: 13,564$39.99Insurgency: Sandstorm
A hardcore tactical shooter where one or two bullets end the fight. You clear war-torn streets with no crosshair and little HUD, count ammunition, and stick with your squad to survive. Brutal, tense, and built on teamwork, with sharp gunplay and sound that keeps every corner dangerous.
Also in Co-op · Tense, Competitive, Dark
85% of 104,571 Steam reviews are positivePlayers online now: 1,328$29.99Marathon
Marathon is Bungie's tense extraction shooter on the lost colony of Tau Ceti IV. You scour dangerous maps for loot and intel alone or with a crew, strip gear from fallen rivals, then fight to extraction to fill your vault. Strong gunplay, flexible Runner builds, and knife-edge alliances make every run worth the risk.
Tense, Competitive, Dark
81% of 45,544 Steam reviews are positivePlayers online now: 2,580$39.99Disintegration
A single-player first-person sci-fi shooter/RTS hybrid unlike anything else. Fight on the front lines and command from above. Pilot your aerial grav cycle into battle while leading a squad of elite troops to ignite a revolution to reboot humanity.
Tense, Cinematic, Competitive
60% of 209 Steam reviews are positive$29.99Zero Caliber VR
A VR military shooter with a full co-op campaign for up to four players, cross-play PvP, zombies and mod support. Over 40 realistic guns you handle, reload and customize with your own hands, in a fight over the last drinkable water on Earth.
Also in Co-op · Tense, Competitive
78% of 3,771 Steam reviews are positivePlayers online now: 8$7.49The Red Solstice
2280 A.D. The last few survivors of a ruined Earth seek a new home: Mars, a planet whose inhabitants didn't take too kindly to outsiders. The Red Solstice is a tense, tactical, squad-based action game. Fight to survive with up to 8 players in co-op, or lead your own squad in single-player mode.
Also in Co-op · Tense, Competitive, Dark
72% of 884 Steam reviews are positivePlayers online now: 1$9.99
Cheaper than Interstellar Marines
Miner Wars 2081
Operate an advanced mining ship in a fully destructible and open-world environment!
35% of 236 Steam reviews are positive$4.99
Guardians of Orion (Phase 2)
Guardians of Orion is a Sci-Fi Action RPG Looter Shooter with Dinosaurs and Robots.
53% of 2,977 Steam reviews are positive$0.99
Interstellar Pilot 2
The hit mobile game Interstellar Pilot 2 has come to Steam. Join the TEF forces heading to the Gatopean sector to find a new home for mankind.
89% of 157 Steam reviews are positivePlayers online now: 3$0.99
War Brokers
Fight for your team on foot or behind the controls of tanks and jets, where quick reflexes and smart calls beat anything you could buy.
91% of 476 Steam reviews are positivePlayers online now: 7$4.99
From Space
Rid a post-apocalyptic Earth of alien invaders with over-the-top weaponry, solo or with a squad of four.
67% of 1,430 Steam reviews are positive$2.99
Tales Of Glory 2 - Retaliation
Follow the adventure of Andrew "Dog" Carter, a former SAS operative and his International Task Force squad as they fight against a global terrorist…
65% of 227 Steam reviews are positive$5.99
深空七号 Deep Space 7
This is an independent action shooting game with a third person horror atmosphere.
79% of 315 Steam reviews are positive$5.99
Terra Nova: Strike Force Centauri
Lead an elite fighting team battling for freedom from the sinister forces of the Earth Hegemony.
96% of 106 Steam reviews are positive$5.99
Deep Space Battle Simulator
Two teams of players control their capital ship in an epic battle.
78% of 357 Steam reviews are positive$1.99
WARSHIFT
Unique mix of Action, RTS and RPG gameplay elements that forms an innovative game genre.
71% of 644 Steam reviews are positive$4.99
RUNNING WITH RIFLES
Take your place on the front line, loot what you need, and climb from private to the one calling in the artillery.
87% of 14,716 Steam reviews are positivePlayers online now: 101$3.74
Hidden gems like Interstellar Marines
Olympius
Take up arms for humanity's last rebellion, hack enemy drones to fight for you and reclaim a ruined planet mission by mission.
87% of 252 Steam reviews are positivePlayers online now: 38$17.99
Legend Battles
Drop in with your squad, gear up fast, and fight your way back out of a match where every round goes sideways differently.
85% of 497 Steam reviews are positivePlayers online now: 25Free
Psycho Patrol R
A brutal, funny mecha cop sim in a decaying open world, where the cases are strange and every quest is optional.
88% of 2,111 Steam reviews are positivePlayers online now: 6$39.99
ZeroSpace
Lead huge armies and orbital strikes in a fast sci-fi war, or join a friend in a co-op campaign that changes every season.
78% of 1,352 Steam reviews are positivePlayers online now: 96$39.99
Jitter
A sci-fi exploration & survival game where you take on the role of a spaceship’s AI.
84% of 166 Steam reviews are positive$9.99
Angels Fall First
One battle, every role: run the deck guns as infantry, fly a fighter, walk the halls of a capital ship, or take the bridge and command it all.
81% of 3,897 Steam reviews are positivePlayers online now: 20$17.99
Stellar Tactics
A sci-fi RPG where you wake from cryosleep 500 years late, build a squad of mercenaries and set out into a universe of over 160,000 star systems.
77% of 1,694 Steam reviews are positivePlayers online now: 25$24.99
Warped Universe
A free-to-play co-op sci-fi looter shooter where every mission changes the universe for everyone.
75% of 129 Steam reviews are positiveFree
Space Beast Terror Fright
Raid procedurally generated ghost ships with up to three friends, grab the data, blow the reactor and escape before it blows you.
91% of 1,261 Steam reviews are positivePlayers online now: 5$14.99
深空七号 Deep Space 7
This is an independent action shooting game with a third person horror atmosphere.
79% of 315 Steam reviews are positive$5.99
Jump Space
Fly, repair and fight from a living spaceship, with room for three friends or an AI crewmate at your side.
85% of 11,516 Steam reviews are positivePlayers online now: 141$19.99
GROUND BRANCH
A tactical shooter built the slow, deliberate way: true first-person, deep weapon and gear customization, and unforgiving firefights where one…
83% of 22,530 Steam reviews are positivePlayers online now: 264$29.99
Newest games like Interstellar Marines
Olympius
Take up arms for humanity's last rebellion, hack enemy drones to fight for you and reclaim a ruined planet mission by mission.
87% of 252 Steam reviews are positivePlayers online now: 38$17.99
ZeroSpace
Lead huge armies and orbital strikes in a fast sci-fi war, or join a friend in a co-op campaign that changes every season.
78% of 1,352 Steam reviews are positivePlayers online now: 96$39.99
GROUND BRANCH
A tactical shooter built the slow, deliberate way: true first-person, deep weapon and gear customization, and unforgiving firefights where one…
83% of 22,530 Steam reviews are positivePlayers online now: 264$29.99
Angels Fall First
One battle, every role: run the deck guns as infantry, fly a fighter, walk the halls of a capital ship, or take the bridge and command it all.
81% of 3,897 Steam reviews are positivePlayers online now: 20$17.99
Warped Universe
A free-to-play co-op sci-fi looter shooter where every mission changes the universe for everyone.
75% of 129 Steam reviews are positiveFree
In The Black
Nuclear-powered space combat in the 23rd century! In The Black ® is an intense, realistic space combat simulator with a serious respect for science.
72% of 87 Steam reviews are positive$19.99
Xenonauts 2
Scramble jets at UFOs, command ground battles turn by turn, and hold a divided world together one hard decision at a time.
81% of 4,958 Steam reviews are positivePlayers online now: 234$39.99
Stellar Tactics
A sci-fi RPG where you wake from cryosleep 500 years late, build a squad of mercenaries and set out into a universe of over 160,000 star systems.
77% of 1,694 Steam reviews are positivePlayers online now: 25$24.99
Marathon
Marathon is Bungie's tense extraction shooter on the lost colony of Tau Ceti IV.
81% of 45,544 Steam reviews are positivePlayers online now: 2,580$39.99
Legend Battles
Drop in with your squad, gear up fast, and fight your way back out of a match where every round goes sideways differently.
85% of 497 Steam reviews are positivePlayers online now: 25Free
Jitter
A sci-fi exploration & survival game where you take on the role of a spaceship’s AI.
84% of 166 Steam reviews are positive$9.99
Species: Unknown
Take a contract on an abandoned ship, figure out which creature is stalking your crew, and survive the run.
91% of 10,873 Steam reviews are positivePlayers online now: 399$9.99