- #1 Aliens: Fireteam Elite
97% matchMostly Positive80% of 26,807 reviews2021
Dev: Cold Iron Studios
Windows
Median: 4.7 hrsMean: 17.7 hrs≥1hr: 87%
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.
Why similar: Aliens 20.9%, Co-op 19.3%, Online Co-Op 17%, Co-op Campaign 10.8% ★, Shooter 9.9%
Why You'll Like It: This is the closest match to Earthfall, featuring intense co-op combat against swarms of aliens in a sci-fi setting.
- #2 Starship Troopers: Extermination
96% matchMostly Positive80% of 33,168 reviews2024
Dev: Offworld
Windows
Median: 4.9 hrsMean: 18.6 hrs≥1hr: 86%
Starship Troopers: Extermination is a 16-player co-op FPS that puts you on the far-off frontlines of an all-out battle against the Bugs! Squad up, grab your rifle, and do your part as an elite Deep Space Vanguard Trooper to take back planets from the Arachnid threat!
Why similar: Online Co-Op 18.9%, Aliens 18.7%, FPS 16.9%, Co-op 15.6%, Shooter 7.9%
Why You'll Like It: It captures the massive scale of alien invasions with large-scale cooperative defensive gameplay.
- #3 World War Z
96% matchVery Positive83% of 31,596 reviews2021
Dev: Saber Interactive Inc
Windows
Median: 7.7 hrsMean: 35.5 hrs≥1hr: 91%
World War Z is a heart-pounding coop third-person shooter for up to 4 players featuring massive swarms of hundreds of zombies, focused on fast-paced, gruesomely spectacular action.
Why similar: Online Co-Op 24.2%, Co-op 16.9%, Zombies 13.1%, FPS 9.5%, Multiplayer 8.6%
Why You'll Like It: It offers the same fast-paced, horde-clearing gameplay loop found in Earthfall but with a focus on massive zombie swarms.
- #4 Back 4 Blood
95% matchMixed69% of 72,885 reviews2021
Dev: Turtle Rock StudiosPub: Warner Bros. Games
Windows
Median: 8.2 hrsMean: 43.9 hrs≥1hr: 91%
Back 4 Blood is a thrilling cooperative first-person shooter from the creators of the critically acclaimed Left 4 Dead franchise. Experience the intense 4 player co-op narrative campaign, competitive multiplayer as human or Ridden, and frenetic gameplay that keeps you in the action.
Why similar: Online Co-Op 20.7%, FPS 15.4%, Co-op 13%, Gore 9.9%, Zombies 9.2%
Why You'll Like It: Developed by the creators of Left 4 Dead, it provides a polished, modern take on the four-player co-op shooter formula.
- #5 Deep Rock Galactic
94% matchOverwhelmingly Positive97% of 377,640 reviews2020
Dev: Ghost Ship GamesPub: Coffee Stain Publishing
Windows
Median: 14.2 hrsMean: 76.2 hrs≥1hr: 94%
Deep Rock Galactic is a 1-4 player co-op FPS featuring dwarven space miners, procedurally-generated destructible environments, and endless hordes of alien monsters. Explore cave systems, mine for minerals, and work together to survive!
Why similar: Co-op 32.7%, FPS 26.4%, Shooter 12.3%, First-Person 7.6%, Sci-fi 5.9%
Why You'll Like It: A premier co-op shooter that excels at objective-based missions and team-dependent survival mechanics.
- #6 Warhammer 40,000: Darktide
94% matchMostly Positive71% of 135,477 reviews2022
Dev: Fatshark
Windows
Median: 24.0 hrsMean: 103.4 hrs≥1hr: 95%
Take back the city of Tertium from hordes of bloodthirsty foes in this intense and brutal action shooter. Warhammer 40,000: Darktide is the new co-op focused experience from the award-winning team behind the Vermintide series. As Tertium falls, Rejects Will Rise.
Why similar: Co-op Campaign 22.9% ★, FPS 15.9%, Co-op 15.6%, Gore 9.8%, Violent 8.9%
Why You'll Like It: A visceral co-op shooter that emphasizes intense melee and ranged combat against overwhelming odds.
- #7 Killing Floor 2
93% matchVery Positive88% of 129,034 reviews2016
Dev: Tripwire Interactive
Windows
Median: 9.9 hrsMean: 85.6 hrs≥1hr: 92%
In KILLING FLOOR 2, players descend into continental Europe after it has been overrun by horrific, murderous clones called Zeds that were created by rogue elements of the Horzine Corporation. 6-player Co-Op & 12-player VS Zed-slaughtering mayhem.
Why similar: Online Co-Op 17.5%, FPS 15.9%, Co-op 14.8%, Gore 12.4%, Shooter 8.2%
Why You'll Like It: A classic wave-based shooter that focuses on gore, team synergy, and surviving increasingly difficult enemy encounters.
- #8 GTFO
91% matchVery Positive84% of 66,174 reviews2021
Dev: 10 Chambers
Windows
Median: 6.8 hrsMean: 27.1 hrs≥1hr: 92%
GTFO is a hardcore cooperative horror shooter that throws you from gripping suspense to explosive action in a heartbeat. Stealth, strategy, and teamwork are necessary to survive in your deadly, underground prison. Work together or die together.
Why similar: Online Co-Op 22.4%, FPS 18.1%, Co-op 17.3%, Shooter 8.7%, Gore 6.5%
Why You'll Like It: A hardcore, atmospheric co-op shooter that rewards stealth and extreme team coordination in dangerous environments.
- #9 EARTH DEFENSE FORCE 5
91% matchVery Positive94% of 11,465 reviews2019
Dev: SANDLOTPub: D3PUBLISHER
Windows
Median: 13.9 hrsMean: 41.1 hrs≥1hr: 93%
Stand and fight for humanity. This arcade shooter takes place in the year 2022, as the Earth Defense Force fends off an all-out attack by unknown life forms. Become an EDF soldier, battle against endless hordes of immense enemies, and restore peace to the earth.
Why similar: Online Co-Op 24.4%, Aliens 20.6%, Co-op 18.2%, Action 12.4%, Shooter 8.9%
Why You'll Like It: The ultimate alien-slaying experience that captures the chaotic fun of fighting massive insectoid swarms.
- #10 Warhammer: Vermintide 2
90% matchVery Positive85% of 146,779 reviews2018
Dev: Fatshark
Windows
Median: 8.2 hrsMean: 48.7 hrs≥1hr: 84%
The critically acclaimed Vermintide 2 is a visually stunning and groundbreaking melee action game pushing the boundaries of the first person co-op genre. Join the fight now!
Why similar: Co-op 29.8%, Online Co-Op 23.9%, Gore 13.4%, FPS 13.3%, Multiplayer 7.7%
Why You'll Like It: While fantasy-themed, it provides the definitive cooperative horde-clearing experience that inspired many modern shooters.
- #11 Tom Clancy’s Rainbow Six® Extraction
89% matchMixed66% of 3,128 reviews2023
Dev: Ubisoft MontrealPub: Ubisoft
Windows
Median: 2.8 hrsMean: 10.9 hrs≥1hr: 72%
Tom Clancy's Rainbow Six® Extraction is a tactical, co-op, PvE first-person shooter where you and your squad face an evolving alien threat. Teamwork, tactics, and flawless execution are key to your survival.
Why similar: Online Co-Op 25%, FPS 24.5%, Shooter 10.3%, Co-op 9.4%, Aliens 8.8%
Why You'll Like It: A tactical PvE shooter that requires careful coordination to survive against an evolving alien threat.
- #12 Space Hulk: Deathwing Enhanced Edition
89% matchMostly Positive72% of 10,791 reviews2018
Dev: Streum On StudioPub: Focus Entertainment
Windows
Median: 3.0 hrsMean: 8.3 hrs≥1hr: 82%
Space Hulk: Deathwing - Enhanced Edition is a First-Person Shooter based on Games Workshop’s cult classic board game set in Warhammer 40,000 universe. Expanding upon the original game, and featuring a host of new content, new features and a richer multiplayer mode.
Why similar: Co-op 19.8%, FPS 18.9%, Online Co-Op 15.8%, Shooter 8.8%, Action 7.9%
Why You'll Like It: It delivers a claustrophobic, high-stakes sci-fi experience where squad positioning is key to survival.
- #13 Dead Effect 2
88% matchMostly Positive73% of 2,305 reviews2016
Dev: BadFly Interactive, a.s.Pub: App Holdings
Windows · Mac
Median: 4.7 hrsMean: 9.9 hrs≥1hr: 90%
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.
Why similar: FPS 21.7%, Co-op 20.7%, Zombies 9.1%, Gore 8%, Action 7.4%
Why You'll Like It: A sci-fi horror shooter that blends RPG elements with fast-paced co-op combat.
- #14 Aliens vs. Predator™
87% matchVery Positive91% of 21,296 reviews2010
Dev: RebellionPub: SEGA
Windows
Median: 4.2 hrsMean: 13.8 hrs≥1hr: 77%
Survive, hunt and prey in the deadly jungles and swamps in distinctly new and thrilling first person gameplay.
Why similar: Aliens 22.3%, FPS 21.5%, Gore 9%, Action 7.3%, Co-op 7.1%
Why You'll Like It: A classic title that captures the tension and horror of fighting against iconic alien creatures.
- #15 No More Room in Hell 2
86% matchMixed49% of 21,189 reviews2024
Dev: Torn Banner Studios
Windows
Median: 10.3 hrsMean: 29.0 hrs≥1hr: 90%
No More Room in Hell 2 is an intense 8 player zombie shooter. Overcome the endless undead. Avoid infection. Survive hell together.
Why similar: Online Co-Op 21.6%, Co-op 17.8%, FPS 16.2%, Zombies 8.8%, Shooter 8%
Why You'll Like It: A modern co-op survival shooter that emphasizes tension and resource management in a post-apocalyptic setting.
- #16 Killing Floor 3
86% matchMixed46% of 20,513 reviews2025
Dev: Tripwire Interactive
Windows
Median: 12.8 hrsMean: 41.5 hrs≥1hr: 94%
It’s 2091 and megacorp Horzine has produced the ultimate army: an obedient horde of bioengineered monsters called zeds. Now, join the rebel group Nightfall in this co-op action/horror FPS that puts you and your teammates in a battle for the future of humanity.
Why similar: FPS 23.9%, Co-op 20.9%, Gore 10.9%, Shooter 10.7%, Zombies 8.5%
Why You'll Like It: The latest evolution of the wave-based survival shooter, offering modern graphics and refined combat mechanics.
- #17 Dead Effect
85% matchMostly Positive73% of 3,763 reviews2014
Dev: BadFly Interactive, a.s.
Windows · Mac
Median: 4.6 hrsMean: 11.4 hrs≥1hr: 90%
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!
Why similar: FPS 30.5%, Zombies 12.9%, Shooter 9.7%, Gore 9.5%, Action 8.8%
Why You'll Like It: A solid sci-fi shooter that provides a straightforward, action-oriented experience similar to Earthfall.
- #18 Space Beast Terror Fright
82% matchVery Positive92% of 1,790 reviews2022
Dev: nornware AB
Windows
Median: 2.0 hrsMean: 5.3 hrs≥1hr: 64%
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?
Why similar: Aliens 19.7%, Co-op 19.5%, FPS 19.4%, Gore 8%, Action 6.9%
Why You'll Like It: A high-tension, claustrophobic shooter that mimics the feeling of being hunted in a dark, alien-filled ship.
- #19 Aliens: Colonial Marines Collection
84% matchMixed62% of 12,069 reviews2012
Dev: Gearbox SoftwarePub: SEGA
Windows
Median: 5.3 hrsMean: 15.4 hrs≥1hr: 77%
You & your friends are the deadliest killers in the galaxy – the US Colonial Marines. It’s up to you to not just survive, but wipe out the Xeno infestation.
Why similar: Aliens 22.6%, FPS 20.5%, Co-op 15.4%, Online Co-Op 8.1%, Action 7.4%
Why You'll Like It: A squad-based shooter that leans heavily into the classic sci-fi aesthetic of the Alien franchise.
- #20 Species: Unknown
79% matchVery Positive95% of 9,857 reviews2025
Dev: WanadevStudio
Windows
Median: 4.9 hrsMean: 8.3 hrs≥1hr: 91%
Species: Unknown is a 1 to 4 players co-op survival horror. Complete high-risk missions aboard an abandoned ship while being hunted by an unknown creature. Survive and upgrade your gear to face each new threat that lurks in the dark.
Why similar: Online Co-Op 26.1%, Aliens 21.9%, FPS 15.7%, Shooter 7.9%, First-Person 7.2%
Why You'll Like It: An atmospheric horror game that focuses on cooperative survival against mysterious alien entities.
- #21 UNLOVED
83% matchMostly Positive73% of 2,145 reviews2016
Dev: BlueEagle ProductionsPub: Paul Schneider
Windows
Median: 3.2 hrsMean: 8.3 hrs≥1hr: 73%
Based on the community award-winning Doom2 mod with the same name by the same creator, UNLOVED is reimagined in the Unreal Engine 4 to bring forth the unspeakable terror in new ways. Play coop with your friends, increase your skills, mod your weapons and face the horror that this unearthly place holds...
Why similar: FPS 22.5%, Gore 19.8%, Co-op 18.8%, Action 8.8%, Horror 6.9%
Why You'll Like It: A co-op horror shooter that focuses on intense, claustrophobic combat and dark, atmospheric level design.
- #22 Interstellar Marines
84% matchMixed54% of 7,876 reviews2013
Dev: Zero Point Software
Windows · Mac · Linux
Median: 48 minMean: 6.8 hrs≥1hr: 45%
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.
Why similar: FPS 27%, Co-op 23.2%, Online Co-Op 10.1%, Shooter 8.9%, Action 8.9%
Why You'll Like It: A tactical sci-fi shooter that focuses on realistic movement and squad-based objective completion.
- #23 EARTH DEFENSE FORCE: IRON RAIN
82% matchMixed59% of 1,516 reviews2019
Dev: YUKE'SPub: D3PUBLISHER
Windows
Median: 5.1 hrsMean: 12.7 hrs≥1hr: 92%
Save the world without hope. Year 2040. An action TPS where you will become one of the EDF soldiers and fight against the invaders from outer space which ruined the world. In the world settings which differs from the original "EARTH DEFENSE FORCE" series, more than 50 missions in five difficulties await for your challenge.
Why similar: Action 19.3%, Aliens 18.5%, Online Co-Op 15.7%, Co-op 15.1%, Gore 12%
Why You'll Like It: A more modern, action-heavy entry in the EDF series that focuses on high-octane alien destruction.
- #24 Stellar Survivor
81% matchMixed66% of 175 reviews2019
Dev: Sticks & Stones
Windows
Stranded on an alien planet, you must defend your Powercore! Use your weapons to fight hordes of alien enemies and strategically use traps in this new FPS tower-defense survival game!
Why similar: Co-op 23.4%, Aliens 16.9%, FPS 12.2%, Violent 10.1%, Multiplayer 8.6%
Why You'll Like It: A sci-fi survival shooter that incorporates co-op elements and resource management.
- #25 DESOLATE
80% matchMixed66% of 8,055 reviews2019
Dev: NeargaPub: HypeTrain Digital
Windows
Median: 3.6 hrsMean: 10.4 hrs≥1hr: 89%
DESOLATE is a first person horror survival experience. Form a research team with up to 4 players and explore an open world filled with mysteries and unsolved questions, or do it all on your own.
Why similar: Survival 21%, Gore 20.5%, Zombies 17.3%, Horror 17.1%, First-Person 13.8%
Why You'll Like It: A survival-focused game that offers co-op exploration and combat in a dangerous, atmospheric world.
- #26 Deadfall Adventures
81% matchMostly Positive73% of 2,628 reviews2013
Dev: The Farm 51Pub: THQ Nordic
Windows · Linux
Median: 5.7 hrsMean: 7.3 hrs≥1hr: 92%
Deadfall Adventures is an action-driven first-person shooter, spiced up with elements from action-adventure games. Become an adventurer, hunt for treasures, explore unknown regions of the world and rescue the damsel in distress from the clutches of enemies, both earthly and not-so-earthly.
Why similar: FPS 36.3%, Shooter 13.3%, Action 13%, Co-op 10.5%, First-Person 8.5%
Why You'll Like It: An action-heavy shooter that features objective-based exploration and combat encounters.
- #27 Alien Swarm: Reactive Drop
79% matchVery Positive95% of 23,645 reviews2017
Dev: Reactive Drop Team
Windows
Median: 1.7 hrsMean: 9.9 hrs≥1hr: 63%
Co-operative top-down shooter game available for free. An epic bug hunt featuring a unique blend of co-op play and squad-level tactics.
Why similar: Aliens 35.8%, Co-op 30.1%, Shooter 15.6%, First-Person 10%, Sci-fi 8.4%
Why You'll Like It: A top-down tactical shooter that emphasizes team roles and objective completion in an alien-infested facility.
- #28 Unsafe Express
78% matchMixed56% of 285 reviews2024
Dev: OnSkull Games
Windows
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!
Why similar: Online Co-Op 19.7%, Aliens 18%, Co-op 16.4%, FPS 13.5%, Shooter 6.6%
Why You'll Like It: A co-op horror survival game that emphasizes team communication to overcome terrifying threats.
- #29 Aliens vs. Ghosts
77% matchVery Positive90% of 604 reviews2022
Dev: Sayan
Windows
Use Nukes, Electricity, Heat Rays and powerful Minions in this wave-based first person shooter providing endless hours of Ghost-slaying entertainment, solo or Co-Op. Only Ghosts stand in the way of your invasion of Earth.
Why similar: FPS 25%, Shooter 13.9%, Aliens 13.8%, Action 11.6%, Co-op 11.2%
- #30 Killing Floor: Incursion
78% matchMixed50% of 1,063 reviews2017
Dev: Tripwire Interactive
Windows
Median: 1.1 hrsMean: 8.5 hrs≥1hr: 54%
Killing Floor: Incursion is a fully-realized, multi-hour, story-driven adventure with an additional endless mode. In solo or co-op mode, travel diverse environments, from creepy farmhouses to the catacombs of Paris, in order to uncover who... or what is behind the Zed menace.
Why similar: FPS 16.3%, Co-op 14.7%, Gore 12.9%, Violent 11%, Online Co-Op 9.7%
Why You'll Like It: A VR-based horror shooter that brings the intense combat of the series into an immersive first-person perspective.
- #31 Left 4 Dead
75% matchOverwhelmingly Positive96% of 67,334 reviews2008
Dev: Valve
Windows
Median: 3.5 hrsMean: 65.0 hrs≥1hr: 70%
From Valve (the creators of Counter-Strike, Half-Life and more) comes Left 4 Dead, a co-op action horror game for the PC and Xbox 360 that casts up to four players in an epic struggle for survival against swarming zombie hordes and terrifying mutant monsters.
Why similar: Co-op 21.8%, FPS 19.3%, Online Co-Op 14.5%, Zombies 14.1%, Multiplayer 7.2%
- #32 Natural Selection 2
76% matchVery Positive85% of 13,351 reviews2012
Dev: Unknown Worlds Entertainment
Windows
Median: 2.9 hrsMean: 24.3 hrs≥1hr: 85%
A fast paced multiplayer shooter that pits aliens against humans in a strategic and action-packed struggle for survival!
Why similar: FPS 30.8%, Aliens 20.3%, Multiplayer 11.5%, Co-op 9.5%, Action 7%
- #33 Alien Swarm
74% matchVery Positive95% of 21,556 reviews2010
Dev: Valve
Windows
Median: 2.4 hrsMean: 35.8 hrs≥1hr: 65%
Co-operative multiplayer game and complete code base available for free.
Why similar: Co-op 28.5%, Aliens 20.9%, Online Co-Op 20.1%, Shooter 9.1%, Multiplayer 7.4%
- #34 RIPOUT
73% matchMixed61% of 1,205 reviews2024
Dev: Pet Project GamesPub: 3D Realms
Windows
Median: 1.7 hrsMean: 5.3 hrs≥1hr: 63%
Ripout is an online Co-Op horror FPS that will have players fight their way through procedurally generated derelict ships filled with mutants capable of reconfiguring their alien bodies. Survive with your trusty Pet Gun companion, collect loot, and customize your character to fit your playstyle.
Why similar: Online Co-Op 23.6%, FPS 21.2%, Aliens 18.1%, Shooter 9.8%, First-Person 6.9%
- #35 Earth Defense Force: Insect Armageddon
75% matchVery Positive87% of 1,140 reviews2011
Dev: Vicious Cycle Software, Inc.Pub: D3PUBLISHER
Windows
Median: 2.5 hrsMean: 8.5 hrs≥1hr: 67%
Thousands of giant insects and aliens once again ravage the earth, and only the Earth Defense Force can stop them.
Why similar: Co-op 29.4%, Online Co-Op 27.9%, Action 19%, Aliens 13.4%, Sci-fi 5.1%
- #36 The Anacrusis
74% matchMixed47% of 1,887 reviews2023
Dev: Stray Bombay
Windows
Median: 2.8 hrsMean: 6.6 hrs≥1hr: 85%
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!
Why similar: Co-op Campaign 23.7% ★, FPS 20.2%, Co-op 19%, Shooter 10%, Zombies 6.1%
- #37 Zedfest
72% matchVery Positive89% of 216 reviews2023
Dev: Diagrammet AB
Windows
Zedfest is the goriest game show ever created! A hardcore 6 player co-op third-person shooter with the goal to complete objectives while neutralizing Zeds with lots and lots of visceral gore.
Why similar: Gore 21.1%, Violent 17.4%, Action 15.6%, Co-op 13.2%, Online Co-Op 12.1%
- #38 Nuclear Nightmare
70% matchVery Positive81% of 18,602 reviews2024
Dev: BG Productions
Windows
Median: 2.4 hrsMean: 5.1 hrs≥1hr: 76%
Venture forth as part of a specialized team of fellow players tasked with retrieving classified materials, evading the black goo virus, and the nightmarish entities it has spawned. With time running out before the US government initiates a devastating nuclear strike to contain the spreading menace.
Why similar: Online Co-Op 34.3%, Co-op 22.5%, Aliens 15.5%, Horror 7.6%, First-Person 6.7%
- #39 Deep Rock Galactic: Rogue Core
70% matchMixed61% of 14,372 reviews2026
Dev: Ghost Ship GamesPub: Ghost Ship Publishing
Windows
Median: 10.9 hrsMean: 18.8 hrs≥1hr: 95%
DEEP ROCK GALACTIC: ROGUE CORE is a 1-4 player co-op FPS action roguelite featuring sci-fi dwarves, alien horrors and procedurally-generated caves. Join the elite dwarven Reclaimers and fight through perilous mining facilities infested with deadly Corespawn. For Rock and Stone!
Why similar: FPS 23%, Co-op 21.7%, Online Co-Op 18.9%, Shooter 9.6%, First-Person 6%
- #40 Shatterline
70% matchMostly Positive73% of 29,161 reviews2025
Dev: Frag Lab LLC
Windows
Median: 1.9 hrsMean: 16.2 hrs≥1hr: 65%
Get ready for the apocalypse! Shatterline is a high-octane single-player FPS adventure where Earth’s survival hangs in the balance. Pick a unique operator and combat the alien plague!
Why similar: FPS 26.5%, Online Co-Op 16.4%, Shooter 14.3%, Co-op 11.7%, First-Person 8.8%
- #41 Quake 4
73% matchVery Positive88% of 3,866 reviews2011
Dev: RavenSoftPub: Bethesda Softworks
Windows
Median: 1.8 hrsMean: 6.8 hrs≥1hr: 59%
As part of the elite Rhino Squad, you must spearhead Earth’s military invasion of a hostile alien homeworld. But, in this desperate war for humanity’s survival against an unrelenting enemy, you may discover that the only way to defeat them...is to become one of them.
Why similar: FPS 36.8%, Gore 12.4%, Shooter 11.6%, Action 8.3%, Sci-fi 6.1%
- #42 EXOME
72% matchMostly Positive80% of 322 reviews2022
Dev: RudeFrog Studios
Windows
EXOME is a co-op sci-fi survival shooter that blends wave-based survival with open-world exploration. Battle hordes of aliens, upgrade your arsenal, and uncover the hidden truths of the deep forest. Will you face it alone or bring your friends along?
Why similar: Aliens 29.1%, Shooter 21%, Co-op 19.6%, Horror 10.5%, Action 10.1%
- #43 Chased by Darkness
71% matchMostly Positive72% of 413 reviews2021
Dev: South Blue Moon
Windows
Median: 2.7 hrsMean: 9.3 hrs≥1hr: 85%
Chased by Darkness is a 1-4 players co-op survival horror. Your mission is to face supernatural entities and banish them to the spiritual plane. Explore, fight enemies and don't let the darkness reach you.
Why similar: Online Co-Op 25.7%, Co-op 19.9%, Gore 10.6%, FPS 7.7%, Horror 7.4%
- #44 Survival Zombies The Inverted Evolution
73% matchMixed58% of 1,112 reviews2017
Dev: Racing BrosPub: ANPA.US
Windows · Mac · Linux
Median: 2.7 hrsMean: 3.9 hrs≥1hr: 80%
Survival Zombies is a bloody chaotic survival first person shooter that pits heavily armed players against humanity's greatest fear - hordes of undead.
Why similar: Gore 19.1%, Violent 16.4%, FPS 14.4%, Zombies 13.7%, Shooter 11.6%
- #45 NO BACKUP
68% matchMixed68% of 856 reviews2026
Dev: Serundeox
Windows
Median: 1.6 hrsMean: 2.1 hrs≥1hr: 68%
Escape together or die alone. A relentless creature is hunting you in this intense co-op bodycam horror experience. Communicate. Stay quiet. Survive. Every move matters. Every sound could be your last. Made by one developer.
Why similar: Online Co-Op 23.4%, FPS 23.1%, Co-op 11.2%, Horror 9%, Multiplayer 7.4%
- #46 Fortified
71% matchMostly Positive75% of 1,736 reviews2016
Dev: Siege Camp
Windows
Median: 3.2 hrsMean: 5.0 hrs≥1hr: 89%
Fortified is an explosive strategy shooter where players will defend the Earth against a menacing Martian invasion in the 1950s. Play as one-of-four pulp inspired heroes as they fight swarms of terrifying robots with an arsenal of Cold War era weapons and experimental technology.
Why similar: Action 72.1%, Co-op 11.2%, Aliens 7.6%, Online Co-Op 3.4%, Multiplayer 2.7%
- #47 John Carpenter's Toxic Commando
67% matchMostly Positive74% of 6,942 reviews2026
Dev: Saber InteractivePub: Focus Entertainment
Windows
Median: 9.1 hrsMean: 16.4 hrs≥1hr: 93%
Pick a character and team up with three friends ‘cause it’s time to save the world. Experience intense FPS action as you obliterate hordes of terrifying monsters! You may not be on the best team of mercenaries, but you are… a Toxic Commando!
Why similar: Online Co-Op 23.8%, FPS 20.1%, Co-op 12.4%, Shooter 11.1%, Zombies 9.1%
- #48 Zombie Army 4: Dead War
68% matchVery Positive86% of 10,978 reviews2021
Dev: Rebellion
Windows
Median: 5.0 hrsMean: 19.6 hrs≥1hr: 91%
Hitler’s hordes are back for more in this spine-chilling shooter from the makers of Sniper Elite 4! Abominable occult enemies, epic weapons and a harrowing new campaign for 1-4 players await in 1940s Europe, as you fight to save humankind from undead Armageddon!
Why similar: Co-op 26%, Shooter 15.4%, Zombies 13.9%, Gore 13.5%, Multiplayer 9.9%
- #49 FBC: Firebreak
67% matchMixed64% of 2,307 reviews2025
Dev: Remedy Entertainment
Windows
Median: 3.6 hrsMean: 9.8 hrs≥1hr: 82%
Purchase FBC: Firebreak and invite your friends to play the full game for free on any platform. FBC: Firebreak is a three-player cooperative first-person shooter set within a mysterious federal agency under assault by otherworldly forces.
Why similar: Co-op 28%, FPS 27.7%, Shooter 10.8%, First-Person 7.1%, Action 6.9%
- #50 Sker Ritual
66% matchVery Positive82% of 5,952 reviews2024
Dev: Wales InteractivePub: Skybound Games
Windows
Median: 3.7 hrsMean: 7.7 hrs≥1hr: 88%
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.
Why similar: Co-op 23.4%, Online Co-Op 17.4%, FPS 16.4%, Shooter 8.3%, Zombies 6.5%
- #51 ZIC – Zombies in City
69% matchVery Positive91% of 173 reviews2019
Dev: Megame LLC
Windows
Control a team of 4 characters, switching between them to use their unique abilities. ZIC: Zombies In City is a first person zombie survival shooter.
Why similar: Co-op Campaign 19.7% ★, Online Co-Op 13.9%, FPS 13.6%, Co-op 11.9%, Shooter 7.4%
- #52 Blood And Zombies
69% matchMixed52% of 458 reviews2022
Dev: Wild MonkeyPub: indie.io
Windows
Median: 3.5 hrsMean: 5.7 hrs≥1hr: 90%
Blood, guts, meat. Humanity's waging total war against a horrific zombie apocalypse. Lead one of four of humanity's deadliest survivors against the horde in this first person, wave defense shooter. Load up your guns, set up turrets, sharpen your skills, and maybe you'll make it through the night.
Why similar: Online Co-Op 20.6%, FPS 16.8%, Co-op 15.7%, Shooter 7.9%, Gore 7.6%
- #53 Regain Earth: First Strike
69% matchVery Positive85% of 73 reviews2021
Dev: GameFlow Studios
Windows
Take the challenge of surviving waves of increasingly difficult evil MuTecs! Grab a friend to hunt and slay them. Crush each wave with randomly dropped weapons & gadgets. Earn Achievements, new maps and top ranks in this Community-driven, solo-dev project. Help shape the future of this game!
Why similar: Co-op 20.8%, Aliens 17.2%, Gore 13.2%, Shooter 12.3%, Violent 10.3%
- #54 EARTH DEFENSE FORCE 4.1 The Shadow of New Despair
68% matchVery Positive95% of 10,466 reviews2016
Dev: SANDLOTPub: D3PUBLISHER
Windows
Median: 4.9 hrsMean: 21.3 hrs≥1hr: 89%
It's a fight for the future of the planet between the Ravagers, a merciless swarm of alien invaders, and the Earth Defense Force (EDF) in this third-person shooter.Play as four different classes in over 80 missions with a range of 800 weapons at your disposal.Co-op play supported.
Why similar: Aliens 23.7%, Online Co-Op 23%, Co-op 23%, Action 10.2%, Shooter 6.2%
- #55 KILLGUN
66% matchNo user reviews73% of 60 reviews2026
Dev: Hunt Studio
Windows
KILLGUN - is a ruthless FPS for players who crave pure, aggressive combat, high difficulty, and an atmosphere of constant survival.
Why similar: FPS 27.1%, Co-op 15.1%, Zombies 11.9%, Online Co-Op 10.2%, Shooter 8.9%
- #56 Final Rush
71% matchMixed46% of 147 reviews2014
Dev: Strike Games
Windows
Median: 3.7 hrsMean: 4.8 hrs≥1hr: 92%
Final Rush is an intense, difficult, co-op multiplayer FPS, where the players fight against waves of hundreds of robotic enemies. Destroy robots to earn experience points which can be used to rank up your player; improving skill, customizing armor, and upgrading weapons.
Why similar: FPS 27.9%, Co-op 22.7%, Action 15.4%, Shooter 11%, Multiplayer 6.9%
- #57 Macabre
66% matchMixed62% of 151 reviews2025
Dev: Weforge Studio
Windows
A 1-4 player co-op horror game where you must outsmart a monster that adapts to your every move. Enter a volatile Rift with shifting maps and objectives, scavenge rare resources, and extract together… or betray your friends for the lion’s share of the loot.
Why similar: Co-op 28.2%, Online Co-Op 24.1%, Aliens 19.9%, Multiplayer 7.7%, Horror 7%