Top similar games like Interstellar Marines:
Interstellar Marines $9.99
UPDATE 28 AVAILABLE - Interstellar Marines is an immersive tactical sci-fi First Person Simulator in the making, offering a unique blend of tactical gameplay, dynamic environments and non-scripted AI. Play Singleplayer or Co-op/PvP on servers around the world.
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Drift: Space Survival$19.99
You were deep in uncharted space on a research mission. Disaster struck. Together with your friends, explore a mysterious asteroid field and mine whatever resources possible to build what you need to survive.

Breathedge$24.99
Survive in outer space! Together with your immortal chicken, discover the truth behind your sudden spaceship crash. Craft tools, pilot vehicles, and even control space stations to survive and explore the wreckage.

Unsafe Express$11.99
Unsafe Express is a cooperative first-person survival horror game for 1-4 players. Navigate through space stations, collect materials and outlast your enemies! Choose your objective based on complexity levels, then cast your vote. Gather items, exterminate hostiles, fulfill missions and repeat!

Isonzo$44.99
Ferocious Alpine warfare will test your tactical skills in this authentic WW1 FPS. Battle among the scenic peaks, rugged valleys and idyllic towns of northern Italy. The Great War on the Italian Front is brought to life and elevated to unexpected heights!

Orbital Strike VR$16.99
Orbital Strike VR is a tactical space combat sim that places you and up to 3 friends as pilots for Starfall's forward fleet. Fly through space using unique hand-jet thrusters, command powerful fire support, and open a path for your capital ships in this thrilling sci-fi adventure.

Natural Selection 2$4.99
A fast paced multiplayer shooter that pits aliens against humans in a strategic and action-packed struggle for survival!

Space Beast Terror Fright$14.99
S.B.T.F. is a very hard arcade-style / rogue-like / perma-death first person shooter. You play as Marines who must brave dark, claustrophobic and terrifyingly intense Space Beast infested spacecraft in order to extract critical data and lucrative upgrades. Can you make it out alive?

E.Y.E: Divine Cybermancy$9.99
In a dark Cyberpunk world, you (and up to 3 friends) wage war against the all-powerful Federation in this Source-powered FPS/RPG.

Angle of Attack$9.99
Angle Of Attack is the aerial combat action companion title to All Aspect Warfare. It features high-octane air combat against air, land and sea threats over vast planetary regions. See the action from a different perspective and get in on the action!

War Dust VR: 32v32 Battlefields$24.99
Join the fight in War Dust VR, the ultimate FPS shooter with immersive VR gameplay. Dominate expansive battlefields with diverse vehicles, exciting mechanics, and strategic control points. Join your team and become a champion of this multiplayer war today!

Space Battle VR$9.99
Space Battle VR is an action shooter set in space. It supports VR controllers to give you a real feel how it is to be a spaceship pilot. You can truly feel the cosmos with this game. Jump into an awesome adventure, help mankind, win a war, bring freedom and happiness to the universe. People need you!

Contractors$19.99
Contractors is a team-based competitive multiplayer shooter game for virtual reality devices. Experience the next level virtual warfare with hardcore controls, lethal weapons, customizable load-outs, and intense firefights. BECOME AN OPERATOR.

Verdun$19.99
Merciless trench warfare immerses you and your squad in intense battles of attack and defense. Verdun is the first multiplayer FPS set in an authentic World War One setting offering a rarely seen battlefield experience.

Warfare : Battleground™FREE
Join Warfare: Battleground, an arcade multiplayer first-person shooter! Fight in a variety of modes using a large arsenal of weapons and destroy your opponents with helicopters and air strikes. Are you ready for battle?

GROUND BRANCH$29.99
From one of the developers behind the original Rainbow Six® and Ghost Recon® games, comes a thinking-man's first-person shooter featuring in-depth character and weapon customization. Take your time. Think ahead. Get the job done.

Call to Arms$14.99
Call to Arms offers an innovative mix of real-time strategy and 3rd, as well as 1st person controls. Set in the time of modern warfare, the game offers realistically modeled vehicles and heavy weaponry. Command your troops to victory or fight by yourself in the 3rd or 1st person action mode.

Lock In$24.99
Lock In is a realism strategy shooter. Immerse yourself in this all new action packed competitive thrill gaming experience. Test your combat skills and strategic savvy against enemy foes to ensure victory!

Freeman: Guerrilla Warfare$24.99
In the anarchic world of Freeman: Guerrilla Warfare, only the mightiest warlord rules. Start with a pistol and a few militias, you will set yourself on a wild and ambitious journey towards world domination. Enjoy the immersive combination of intense FPS and sandbox strategy.

Beyond The Wire$9.99
Set in the muddy trenches of WW1, Beyond The Wire is a 50v50 multiplayer FPS that immerses players in the desperate & brutal circumstances of the Great War. Featuring an arsenal of historic weapons, ten massive maps, ten playable factions, era-specific tanks, & a brutal melee combat system.

Hell Let Loose$49.99
Join the ever expanding experience of Hell Let Loose - a hardcore World War Two first person shooter with epic battles of 100 players with infantry, tanks, artillery, a dynamically shifting front line and a unique resource based RTS-inspired meta-game.

Entities$7.99
Dive into horror in Entities. Solo or up to 4-player matches offer dynamic puzzles, relentless entities, and extraction shooter mechanics. Investigate, unlock paths, and survive in dangerous zones as a private operator. Master skill and terror. Are you ready to confront the unknown?

Crunch Element$19.99
Raid destructible compounds using explosive gadgets and tactical weaponry! Hone your CQB skills in constantly changing compound layouts and blast open entry points with explosives to get the perfect shot. Team up with your squad or take on the challenge as a lone wolf!

Heliborne Collection$29.99
Rotary-wing aviation and helicopter combat with a dynamic battlefield and the support of ground forces. Appreciated for MMO elements and an addictive gameplay loop. Use tactics and make strategic decisions or fly around and shoot in historically accurate maps.

Muffled Warfare - Echolocation Shooter$9.99
Muffled Warfare is a multiplayer first-person echolocation shooter where everyone is blind and uses sounds to SEE, SHOOT and SILENCE their competition. You've heard of that blind superhero that dresses up like a devil in red right? Yea, think that, but with guns.

Tannenberg$19.99
Experience authentic First World War action with 64 player battles of maneuver on the Eastern Front. Grab your rifle, ready your sabre and keep your gas mask close as you prepare to play a part in one of the most significant conflicts in history!

Detached: Non-VR Edition$14.99
Detached, a suspenseful interstellar duel that demands tactics and skill to survive, is now available in a non-VR version! Separated from your unit, you must make smart decisions and race to safety in this visceral exploration of deep space.

Silica$19.99
Silica blends FPS and RTS in epic, photorealistic battles. Choose to fight on the ground or command from above as humans or aliens. Dive into thrilling multiplayer combat or master strategic command. Are you ready to survive and conquer?

Decisive Strike$0.99
A sci-fi team-based Third Person Shooter where strategy is as important as your reflexes.

Survive the Nights$19.99
Survive the Nights is a unique FPS survival game focusing on teamwork, fortification, creativity & strategy. Secure a structure or roam free, the choice is yours. Gameplay focuses on realistic survival, post zombie infestation. Prepare during the day for nightfall. How many nights will you survive?

Easy Red 2$8.99
Fight massive battles between infantry, armored vehicles, tanks, cannons and planes. Realistically manage your weapons and equipment, coordinate with your squad, and tactically navigate large, fully destructible open world maps. Experience the WW2 in singleplayer, PVP and Co-Op.

QANGA$19.99
QANGA: Dive into a sci-fi adventure of exploration and resilience across the cosmos. Merge your mind with a state-of-the-art cyborg crafted by ICLab's Industry labs, and journey through this expansive universe!

Forsake: Urban horror$9.99
Forsake is a 1 to 4 player co-op online survival horror game where each player is a member of an urban explorer group. Choose your equipment to explore places full of paranormal and exorcise them, if you think you can handle it!

Squad$49.99
Squad is a tactical FPS that provides authentic combat experiences through teamwork, communication, and realistic combat. It bridges the gap between arcade shooter and military realism with 100-player battles, combined-arms warfare, and base building.

Sker Ritual$24.99
An intense round-based zombie survival FPS, play solo or co-op. Shoot your way through relentless waves of vicious horrors with high-octane objectives, upgrading steampunk weapons, collecting Celtic God powers, and surviving the onslaught of the Quiet Ones.

S.I.N. Unit: Ghost Investigation & Removal$19.99
S.I.N. Unit puts you into the shoes of a paranormal investigator. Together with other people like you, you will enter haunted locations full of paranormal activity to investigate and catch the entity or ghost that haunts the place. A good entity will also appear to help you. 1-4 Players.

Behind The Backrooms$6.99
Behind the Backrooms is a 1-4 player co-op horror exploration game

Support$9.99
After sending several probes to a certain planet, all contact was lost, so an exploration team was sent to investigate, but they fell into an unknown struggle.

Police Stories: The AcademyFREE
Welcome, trainee! Use tactics and special equipment to become a true cop in the free version of Police Stories: The Academy. Neutralize criminals, search for clues and find a "rat" in the police station alone or in co-op with a partner.

The Unknown$4.99
You and Your Team Of 4 Players Hunt down Paranormal Entities While Trying to Survive The Night Solving Paranormal Cases of the Unknown in this Online horror Multiplayer Game

The Isle$19.99
Experience fierce open world survival gameplay as you attempt to stay alive on an unforgiving island inhabited by dinosaurs! Hunt. Grow. Survive.

All Aspect Warfare$9.99
All Aspect Warfare is a thrilling planetary combat game featuring first person, vehicular and air combat over vast terrain.

GRAV$19.99
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.

The Fifth Day$14.99
The Fifth Day is a post-apocalyptic survival game set in the time after mankind's extinction to the machines that it created. Your role, as one of these machines, is to survive in the hostile world left behind by man.

taCam$5.99
taCam is a tactical multiplayer FPS with a realistic bodycam perspective, fluid gunplay, and extensive weapon customization. Engage in intense combat across modes like Team Deathmatch and Skirmish, using teamwork and strategy to dominate the battlefield.

Code 3: Police Response$14.99
Code 3 is a tactical police based first person shooter developed for the PC made by police and police support personnel.

Guns of Icarus Alliance$4.99
Own the skies in steam-powered airships! Guns of Icarus Alliance is a team-based online game that pits co-op crews against both rival teams and an AI that learns your tactics. Players become part of the story as each battle shapes history in an ever-changing steampunk world.

Bionite: Origins$11.99
Bionite: Origins is a Tactical Shooter game based on vehicles. The game uses a combination of Aircraft and Tank physics to produce a unique gaming experience based on hover propulsion. Players can command pilots and build bases in 1 vs 1 team games or with up to 8 other players.

Guardians of Orion (Phase 2)$0.99
Guardians of Orion is a Sci-Fi Action RPG Looter Shooter with Dinosaurs and Robots. Complete Mission Objectives all over the Galaxy with your friends to earn new Gear & Rewards!

Zero Caliber VR$24.99
Zero Caliber is the ultimate VR FPS: single player/Co-op campaign, PvP and mod support with 40+ realistic firearms & melee weapons, 100+ unlockable skins, 50+ attachments, realistic physics, progression & more! Immerse yourself in the action, customize your gear and unleash your inner hero!

Space Ops VR: Reloaded$14.99
Space Ops VR is a tournament in which Space Ops train their elite soldiers to fight for Earth against dangerous alien life around the galaxy. Space Ops VR, a brand new First Person Shooter can be played either in solo or co-op modes. PvP modes will also feature 1v1 duels or 2v2 team battles.

The Blackout Club$29.99
The Blackout Club is a first-person co-op horror game centered around a group of teenage friends investigating a monstrous secret beneath the skin of their small town. 1-4 players explore procedurally-generated missions against a fearsome enemy you can only see with your eyes closed.