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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Remnant Records$15.99
Remnant Records is a horror investigation game for 1 to 4 players. Explore places haunted by the dead, survive elaborate and unique ghosts and find out what happened to them through thousands of generated stories.

From Space$14.99
From Space is a solo and co-op action-shooter for squads up to four players. Take on the challenge of liberating the earth from an alien infestation with your friends, using over-the-top weaponry in a post-apocalyptic world with awesomely stylized graphics. The apocalypse has never been so much fun!

Boiling Steel$14.99
"Boiling Steel" - is a sci-fi story-based FPS VR shooter. You are one of many who set off in search of a better life in the distant bastion of scientific progress. Immerse yourself in the thick of events and witness the inexplicable global cataclysm.

Contain$13.99
Contain is a Tactical Co-Op FPS game. Form your squad of four players to fight against the anomalies. Try to "Contain" them where the line between ordinary and extraordinary is blurred.

OPG: Clan Wars$9.99
Online multiplayer with PVPVE battles. Five game modes. Single-player, team battles, raids, global mode, and bunkers.Arena shooter, open world, quests and crafting resources await you. Join the world of OPG.

EXOME$14.99
EXOME is a co-op survival shooter with a focus on exploration, weapon progression and horde AI. Discover what grim mysteries are hidden in this deep forest. Explore and fight for survival, alone or with your friends.

Warhammer: End Times - Vermintide$29.99
Vermintide is an epic co-operative action combat adventure set in the End Times of the iconic Warhammer Fantasy world.

No More Room in Hell 2$29.99
No More Room in Hell 2 is a terrifying 8 player co-op action horror experience. Find your friends in the dark and survive - in a dynamic, endlessly replayable zombie apocalypse.

Miscreated$29.99
Miscreated is a multiplayer online hardcore survival game set in a post-apocalyptic future. You will need to survive against mutants, players, and even mother nature herself.

Gravity in Space$13.99
Gravity in Space is an acurate-physics-based spacecraft flight and combat simulation. Learn how to use gravitational forces to navigate through surreal worlds, while you outplay your enemies and shoot them.

Legacy of the Lost:WitchHunter$2.99
Trapped in a mysterious past, you must solve puzzles, fight fierce enemies and uncover secrets to find your way home. Use any weapon you find to survive in this treacherous world

Blacklist Brigade$9.99
Blacklist Brigade is a co-op focused top-down shooter game, where players as a part of a mercenary group fight against banana republic dictators and other evil scoundrels.

Feel The Snow$12.99
Choose one of the characters and start your journey. The game has many interesting things in store: building, crafting, puzzles, bosses, mystery, laughs, quests etc.

Dead Effect 2 VR$24.99
Dead Effect 2 is the newest addition to the acclaimed Dead Effect franchise. This action sci-fi shooter is looking to push the boundaries of first-person shooters to new levels with slick graphics, rich narrative and RPG elements.

Legendary Hunter VR$9.99
Legendary Hunter VR is a VR duck hunting game inspired by the old classic NES game Duck Hunt. Hunt Duck during the day time while surviving vicious crow attacks. And survive the wolves and the crocodiles at night. Enjoy the day / night cycles with dynamic weather and atmospheric surround sound.

Dead Effect 2$11.99
Dead Effect 2 is the newest addition to the acclaimed Dead Effect franchise. This action sci-fi shooter is looking to push the boundaries of first-person shooters to new levels with slick graphics, rich narrative and RPG elements.

No More Room in HellFREE
The chances of you surviving this all out war of society and the undead are slim to none. Already, there are millions of the walking dead shambling about, searching for food to eat. There's no known cure. One bite can possibly end it all for you. However, you aren't alone in this nightmare.

Backrooms: Escape Together$7.99
A visually lifelike 1-6 player co-op survival horror made in Unreal Engine 5. Explore 7 procedurally generated levels that host liminal environments, puzzles, and entities with new levels and content added regularly. You are at the mercy of what's lurking and must do whatever it takes to escape.

War of Rights$29.99
War of Rights is a first person multiplayer game featuring massive 350 player battles with a focus on historical authenticity, teamplay and immersion. It is set during the perilous days of the American Civil War, in the Maryland Campaign of September, 1862.

ORION: Prelude$0.99
Work together to survive the devastating Dinosaur horde in huge, endless environments.

Days of War: Definitive Edition$24.99
Days of War is an online FPS that re-imagines the team-based, close quarters, nonstop action of classic World War II multiplayer shooters.

Shoot on SightFREE
The System built a world of injustice and oppression. Pressed up against the wall, it now fights for its survival. Uphold the law as an elite police officer or join the Stagers to liberate the world, defining the future of society in this multiplayer isometric tactical shooter!

SCP: EVENT CLASSIFIED$9.99
SCP: EVENT CLASSIFIED is a multiplayer horror shooter that allows players to take on a role of a soldier, prisoner, scientist and even a monster. Fight other players or unite with them to survive in this secret facility with game sessions up to 120 players.

ZOMBIE RAID: No One Survives$10.99
Join the fight for survival in a top-down shooter with realistic-looking combat. Raid the infected city and fight for survival in team battles.

Alien Weapon Test Grounds$1.99
Alien weapons with unique physics await in this fast-paced FPS. Battle waves of enemies across diverse landscapes, lighting, and weather. Beware the unstable space-time continuum.

PULSAR: Lost Colony$19.99
The co-op open-world space sim where everyone has a role! Pilot the ship. Reroute power. Launch nukes. Explore alien planets. Research new talents. Work together to find the Lost Colony! ...or just deliver some biscuits

Dead Effect$4.99
Fight for your life in the INDIE SCI-FI FPS game fit for both casual and hard-core gamers with a passion for hunting down hordes of zombies. Prepare yourselves for the incoming nightmare!

POLAR$2.99
Are you a target? or not?The target mode, one of the polar game modes, brings a different perspective to survival.If you are a good player, you can survive in a minute without dying.

Air Missions: HIND$16.99
Air Missions: HIND is an action combat flight simulator based on the Russian Mi-24 Hind assault helicopter. You will be deployed to the battlefield either on your own or with a friend.

Shadows of Kurgansk$5.99
“Shadows of Kurgansk” is an adventure game, where you need to survive in an area full of danger and mystery. Your goal is to stay alive and find the way out, fighting monsters and completing story driven missions. Fight zombies, build asylums, find your way back home!

Onward$24.99
Onward is the most immersive tactical VR shooter. Join your squad for a wide variety of competitive PvP, co-op PvE, and solo game modes, including intense multiplayer battles or 4-player co-op missions. Realistic weaponry and combat mechanics will push your survival and combat skills to their limit

The Walking Dead: Saints & Sinners$19.99
Saints & Sinners is a game unlike any other in The Walking Dead universe. Every challenge you face and decision you make is driven by YOU. Fight the undead, scavenge through the flooded ruins of New Orleans, and face gut-wrenching choices for you and the other survivors. Live The Walking Dead.

Into the Radius VR$29.99
Into the Radius is a single-player survival shooter in VR. Explore the Pechorsk zone filled with surreal landscapes and dangerous anomalies. Defend yourself with realistic firearms, recover strange artifacts, scavenge for loot, and uncover the mysteries of this unforgiving dystopian environment.

Deep Space Battle Simulator$9.99
Two teams of players control their capital ship in an epic battle. Customize your ship, control its movement, weapons, and energy distribution or go to one of the hangars to join the battle in a smaller fighter!

141$9.99
Engage in deadly shootouts with a diverse arsenal of weaponry in this fast competitive online FPS. The objective: Get the encrypted data back to the source. Find the encrypted key and activate the data SLOT, a pyramidal dock with the power of sending the data back to ATMOS.

Ready or Not$49.99
Ready or Not is an intense, tactical, first-person shooter that depicts a modern-day world in which SWAT police units are called to defuse hostile and confronting situations.

Space Shells$9.99
Space Shells is a rogue-lite sci-fi VR game following an intergalactic mercenary tasked with hijacking a fleet of stunningly designed spaceships. Eliminate enemy droids, making clever use of specialized robotic shells to complete each treacherous mission.

GHOST: AC-130 Close Air Support$2.99
You are the gunner of the AC-130 Gunship. One of the most lethal war machines ever made. Use your skill with thermal optics and three of the biggest and most lethal guns ever produced to stop the enemy cold. This is a mindless shooter. A game to zone out with. Relax, and destroy.

Project Legion$5.99
Immerse yourself in terrifying dreams and unravel mysteries playing alone or with friends. Confront supernatural horrors, survive terrifying enemies, and complete various missions to solve the cases.

BODYGUARD TASK FORCE$4.99
Your mission is clear: go solo or team up with 3 other friends to ensure the safety of high-profile VIPs through a series of dynamic and challenging scenarios.

CAM$8.99
CAM is a fps that has action and a zombie survival mode, featuring a body camera perspective and realistic graphics. Wishlist and share CAM with friends! Sept 28 Update: We are reading your reviews, we are working on improving the game, thanks! !!!

Operation : Strike & SecureFREE
Operation: Strike & Secure is a tactical and realistic FPS where every shot matters, designed for intense solo or team-based online combat.

Danger Horizon$9.99
Danger Horizon is a multiplayer, first-person shooter game made using Unreal Engine 5. The game features realistic gunplay, and advanced blood and gore features that everyone can enjoy.

Depth$19.99
Play as a shark or a diver in a dark aquatic world and overcome your enemies by employing cunning, teamwork, and stealth. Depth blends tension and visceral action as you team up against AI or be matched with other players in heart pounding combat.

BLOCKADEFREE
BLOCKADE Classic! First Person Shooter in an editable procedural cubic world. A large arsenal of weapons, 4 teams at the same time and up to 32 players on one map. A large number of game modes!

TinShiftFREE
Delve into the world of the future, where everyone is out for himself in the humans vs robots stand-off. Pick a traceur, loot an awesome gun, and beat damn machines. Or choose a robot and use his unique skills to get back at those humans for your Boston brothers.

FUBG: FIGHT UNKNOWN BATTLEGROUND$4.99
FUBG is a Multiplayer Shooter Game by GameX with Seven Different Game modes. 1. Team Death Match 2. Capture the Flag 3. Conquest 4. RUSH 5. Kill Confirmed 6. Free For All And 7. Search & Destroy. Player can Play strategic battles across diverse maps and various combat styles to claim victory.

Fossilfuel 2$19.99
Turn up the volume, turn off the lights, and get ready for the definitive Jurassic survival horror experience. Pump your shotgun and put those dinos back where they belong... in the ground!

Transmissions: Element 120FREE
TE120 is a short single player experience set in the Half-Life Universe featuring a gravity defying weapon that allows you to jump buildings and sustain large falls. The story takes place at a mysterious date & location. Where are you? Why have you been sent?

CORPSE58$5.99
"CORPSE-58" is a slow-motion bullet hell shooting game by UnderDoor. Players become human weapons created through clone and genetic engineering technologies, tasked with destroying former allies turned into 'corpses'.

Nightmare Pursuit$13.99
Nightmare Pursuit is an intense multiplayer horror game where survivors must avoid the deadly traps and unique abilities of terrifying killers. Rely on stealth, strategy, and teamwork to survive in horrific environments. Experience the thrill of the chase—escape or become the hunted.