- #1 Aliens: Fireteam Elite
97% matchMostly Positive80% of 26,362 reviews2021
Dev: Cold Iron Studios
Windows
Median: 4.7 hrsMean: 17.8 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 20.8%, Co-op 19.3%, Online Co-Op 17.3%, Co-op Campaign 10.8% ★, Shooter 9.7%
Why You'll Like It: This game perfectly mirrors the alien-horde survival experience with intense co-op combat against iconic extraterrestrial threats.
- #2 Starship Troopers: Extermination
96% matchMostly Positive80% of 32,811 reviews2024
Dev: Offworld
Windows
Median: 4.9 hrsMean: 17.7 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 19.3%, Aliens 18.6%, FPS 16.7%, Co-op 15.7%, Shooter 7.8%
Why You'll Like It: It offers a massive-scale sci-fi co-op experience where players must defend positions against overwhelming swarms of alien insects.
- #3 Back 4 Blood
96% matchMixed69% of 72,160 reviews2021
Dev: Turtle Rock StudiosPub: Warner Bros. Games
Windows
Median: 8.2 hrsMean: 43.7 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 21.5%, FPS 15.5%, Co-op 13.4%, Zombies 9.2%, Shooter 8%
Why You'll Like It: As a spiritual successor to the classic horde-shooter formula, it provides the tight team-based mechanics and frantic pacing found in Earthfall.
- #4 World War Z
95% matchVery Positive83% of 30,228 reviews2021
Dev: Saber Interactive Inc
Windows
Median: 7.8 hrsMean: 35.6 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 24.7%, Co-op 17%, Zombies 13%, FPS 9.7%, Multiplayer 8.8%
Why You'll Like It: This title excels at rendering massive hordes of enemies that require coordinated firepower and defensive positioning to overcome.
- #5 Deep Rock Galactic
94% matchOverwhelmingly Positive97% of 372,881 reviews2020
Dev: Ghost Ship GamesPub: Coffee Stain Publishing
Windows
Median: 14.2 hrsMean: 75.7 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 33%, FPS 26.1%, Shooter 12.2%, First-Person 7.7%, Sci-fi 5.9%
Why You'll Like It: It combines sci-fi exploration with intense co-op horde defense, requiring deep team synergy to survive alien-infested caves.
- #6 Warhammer 40,000: Darktide
94% matchMostly Positive71% of 130,870 reviews2022
Dev: Fatshark
Windows
Median: 24.3 hrsMean: 101.9 hrs≥1hr: 96%
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: FPS 26.2%, Co-op 26.1%, Shooter 13.5%, Zombies 10.2%, First-Person 8.6%
Why You'll Like It: This is a premier four-player co-op shooter that emphasizes visceral combat and objective-based survival against endless waves of enemies.
- #7 Tom Clancy’s Rainbow Six® Extraction
93% matchMixed66% of 3,089 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 25.2%, FPS 24.2%, Shooter 10.2%, Co-op 9.5%, Aliens 8.9%
Why You'll Like It: It brings a tactical, sci-fi twist to the co-op shooter genre, focusing on objective-based missions against an alien parasite.
- #8 Killing Floor 2
92% matchVery Positive88% of 128,238 reviews2016
Dev: Tripwire Interactive
Windows
Median: 9.9 hrsMean: 86.0 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 18.2%, FPS 16.1%, Co-op 15.3%, Gore 10.2%, Shooter 8.3%
Why You'll Like It: A staple of the wave-based survival genre, it offers the same satisfying gore and progression systems found in Earthfall.
- #9 EARTH DEFENSE FORCE 5
91% matchVery Positive94% of 11,300 reviews2019
Dev: SANDLOTPub: D3PUBLISHER
Windows
Median: 14.1 hrsMean: 41.4 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 25%, Aliens 20.3%, Co-op 18.2%, Action 12.2%, Shooter 8.7%
Why You'll Like It: This game is the ultimate alien-horde shooter, featuring thousands of enemies on screen and massive-scale cooperative destruction.
- #10 GTFO
91% matchVery Positive84% of 65,286 reviews2021
Dev: 10 Chambers
Windows
Median: 6.9 hrsMean: 27.2 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 22.7%, FPS 17.9%, Co-op 17.6%, Shooter 8.6%, Gore 6.3%
Why You'll Like It: For players who want a more hardcore, stealth-oriented take on the four-player co-op survival experience.
- #11 The Anacrusis
89% matchMixed47% of 1,878 reviews2023
Dev: Stray Bombay
Windows
Median: 2.7 hrsMean: 6.7 hrs≥1hr: 83%
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 23.9% ★, FPS 20%, Co-op 19.2%, Shooter 9.8%, Zombies 6.1%
Why You'll Like It: A retro-futuristic co-op shooter that focuses on four-player survival against alien threats in a sci-fi setting.
- #12 Left 4 Dead 2
88% matchOverwhelmingly Positive98% of 1,024,556 reviews2009
Dev: Valve
Windows · Linux
Median: 12.9 hrsMean: 97.7 hrs≥1hr: 93%
Set in the zombie apocalypse, Left 4 Dead 2 is a co-operative action horror FPS takes you and your friends through the cities, swamps and cemeteries of the Deep South, from Savannah to New Orleans across five expansive campaigns.
Why similar: Co-op 20.5%, FPS 18.5%, Zombies 15.7%, Online Co-Op 14.2%, Shooter 6.9%
Why You'll Like It: The foundational blueprint for the co-op horde shooter genre, it remains the gold standard for team-based survival gameplay.
- #13 RIPOUT
87% matchMixed61% of 1,205 reviews2024
Dev: Pet Project GamesPub: 3D Realms
Windows
Median: 1.8 hrsMean: 5.3 hrs≥1hr: 64%
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 24.2%, FPS 20.9%, Aliens 17.9%, Shooter 9.6%, First-Person 6.9%
Why You'll Like It: A sci-fi horror co-op shooter that focuses on exploring derelict ships and fighting off grotesque, mutating alien threats.
- #14 Aliens vs. Predator™
86% matchVery Positive91% of 21,019 reviews2010
Dev: RebellionPub: SEGA
Windows
Median: 4.2 hrsMean: 13.6 hrs≥1hr: 77%
Survive, hunt and prey in the deadly jungles and swamps in distinctly new and thrilling first person gameplay.
Why similar: Aliens 22.6%, FPS 21.6%, Gore 7.7%, Co-op 7.3%, Action 7.3%
Why You'll Like It: A classic sci-fi shooter that allows players to experience the intensity of fighting against or as terrifying alien creatures.
- #15 Space Beast Terror Fright
85% matchVery Positive92% of 1,775 reviews2022
Dev: nornware AB
Windows
Median: 2.1 hrsMean: 5.4 hrs≥1hr: 65%
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: Co-op 19.7%, Aliens 19.7%, FPS 19.2%, Gore 7.9%, Action 6.8%
Why You'll Like It: This game captures the claustrophobic, high-tension atmosphere of fighting aliens in tight, dark corridors.
- #16 UNLOVED
86% matchMostly Positive73% of 2,106 reviews2016
Dev: BlueEagle ProductionsPub: Paul Schneider
Windows
Median: 3.1 hrsMean: 8.2 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 19.1%, Co-op 19.1%, Action 8.8%, Horror 7%
Why You'll Like It: A gritty, gore-filled co-op shooter that focuses on survival and exploration within a nightmarish environment.
- #17 Strange Brigade
83% matchVery Positive84% of 11,138 reviews2018
Dev: Rebellion
Windows
Median: 3.6 hrsMean: 9.4 hrs≥1hr: 86%
Embark on an exotic journey into danger in this rip-roaring 1930s third person adventure for 1-4 players! Encounter pulse-pounding action, treacherous traps and tales of derring-do!
Why similar: Co-op 24.6%, Online Co-Op 22.4%, Shooter 10.8%, Zombies 8.6%, Action 8.5%
Why You'll Like It: This game offers a fun, co-op-focused shooter experience with puzzle elements and waves of supernatural enemies.
- #18 Warhammer: Vermintide 2
82% matchVery Positive85% of 145,447 reviews2018
Dev: Fatshark
Windows
Median: 8.2 hrsMean: 48.6 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 30%, Online Co-Op 24.3%, Gore 13.1%, FPS 13.1%, Multiplayer 7.7%
Why You'll Like It: While melee-focused, it provides the definitive four-player co-op experience for those who enjoy managing overwhelming enemy swarms.
- #19 Killing Floor 3
82% matchMixed47% of 19,621 reviews2025
Dev: Tripwire Interactive
Windows
Median: 13.2 hrsMean: 39.8 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 23.8%, Co-op 21.2%, Gore 10.7%, Shooter 10.6%, Zombies 8.5%
Why You'll Like It: The latest entry in the series, continuing the legacy of high-intensity, wave-based co-op shooter combat.
- #20 Interstellar Marines
84% matchMixed54% of 7,874 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 26.7%, Co-op 23.5%, Online Co-Op 10.3%, Shooter 8.8%, Action 8.8%
Why You'll Like It: A tactical sci-fi shooter that focuses on realistic combat and cooperative survival in space environments.
- #21 Dead Effect 2
84% matchMostly Positive73% of 2,287 reviews2016
Dev: BadFly Interactive, a.s.Pub: App Holdings
Windows · Mac
Median: 4.6 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 21.6%, Co-op 21%, Zombies 9.1%, Gore 7.7%, Action 7.3%
Why You'll Like It: A sci-fi shooter that mixes RPG elements with intense combat against zombies and alien-like monstrosities.
- #22 Alien Swarm: Reactive Drop
81% matchVery Positive95% of 23,448 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 32%, Co-op 27.2%, Shooter 13.9%, Zombies 10.3%, First-Person 9%
Why You'll Like It: A top-down tactical co-op shooter that emphasizes squad-based survival against alien infestations.
- #23 No More Room in Hell 2
81% matchMixed48% of 17,994 reviews2024
Dev: Torn Banner Studios
Windows
Median: 9.8 hrsMean: 25.6 hrs≥1hr: 90%
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.
Why similar: Online Co-Op 21.9%, Co-op 18%, FPS 16.1%, Zombies 8.6%, Shooter 8%
Why You'll Like It: A cooperative survival horror game that emphasizes resource management and team coordination in a hostile world.
- #24 Serious Sam 4
79% matchVery Positive83% of 17,240 reviews2020
Dev: CroteamPub: Devolver Digital
Windows
Median: 7.2 hrsMean: 15.9 hrs≥1hr: 90%
Serious Sam 4 reignites the classic FPS series in a high-powered prequel loaded with an explosive arsenal, intergalactic carnage, and perfectly timed one-liners.
Why similar: FPS 25.4%, Co-op 20.2%, Gore 16%, Shooter 10%, Violent 9.8%
Why You'll Like It: It delivers pure, chaotic arcade-style shooting against massive alien armies, perfect for fans of high-action horde combat.
- #25 Remnant: From the Ashes
79% matchVery Positive84% of 56,041 reviews2019
Dev: Gunfire GamesPub: Arc Games
Windows
Median: 11.6 hrsMean: 28.5 hrs≥1hr: 94%
The world has been thrown into chaos by an ancient evil from another dimension. As one of the last remnants of humanity, you must set out alone or alongside up to two other survivors to face down hordes of deadly enemies to try to carve a foothold, rebuild, and retake what was lost.
Why similar: Co-op 32%, Online Co-Op 25.6%, Shooter 10.1%, Action 9.8%, Multiplayer 8.6%
Why You'll Like It: A sci-fi co-op shooter that blends intense boss fights with exploration and character progression.
- #26 Species: Unknown
76% matchVery Positive95% of 6,260 reviews2025
Dev: WanadevStudio
Windows
Median: 4.7 hrsMean: 7.3 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 25.9%, Aliens 22.1%, FPS 15.6%, Shooter 8%, First-Person 7.4%
- #27 EARTH DEFENSE FORCE: IRON RAIN
80% matchMixed59% of 1,495 reviews2019
Dev: YUKE'SPub: D3PUBLISHER
Windows
Median: 5.2 hrsMean: 12.9 hrs≥1hr: 93%
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 19.1%, Aliens 18.5%, Online Co-Op 16%, Co-op 15.2%, Gore 11.8%
Why You'll Like It: A spin-off of the EDF series that offers a more modern, gritty take on fighting giant alien insects.
- #28 PAYDAY 2
78% matchVery Positive89% of 671,733 reviews2013
Dev: OVERKILL - a Starbreeze Studio.Pub: Starbreeze Entertainment
Windows · Linux
Median: 11.2 hrsMean: 99.5 hrs≥1hr: 89%
PAYDAY 2 is an action-packed, four-player co-op shooter that once again lets gamers don the masks of the original PAYDAY crew - Dallas, Hoxton, Wolf and Chains - as they descend on Washington DC for an epic crime spree.
Why similar: Co-op 29.3%, FPS 23.1%, Online Co-Op 21.3%, Shooter 7.8%, Multiplayer 7%
Why You'll Like It: While themed around heists, the core gameplay loop of defending objectives against endless waves of enemies is very similar to Earthfall.
- #29 Shatterline
74% matchMostly Positive73% of 29,161 reviews2025
Dev: Frag Lab LLC
Windows
Median: 1.9 hrsMean: 15.6 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 26.2%, Online Co-Op 16.7%, Shooter 14.2%, Co-op 11.8%, First-Person 8.9%
- #30 Deadfall Adventures
78% matchMostly Positive73% of 2,609 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 36.1%, Shooter 13.2%, Action 12.9%, Co-op 10.6%, First-Person 8.6%
Why You'll Like It: An action-adventure shooter that provides a classic pulp-style experience with plenty of enemies to dispatch.
- #31 Dead Effect
77% matchMostly Positive73% of 3,752 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 9.1%, Action 8.8%
- #32 Aliens vs. Ghosts
75% matchVery Positive90% of 555 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 24.9%, Shooter 13.9%, Aliens 13.8%, Action 11.6%, Co-op 11.4%
- #33 Aliens: Colonial Marines Collection
77% matchMixed62% of 11,947 reviews2012
Dev: Gearbox SoftwarePub: SEGA
Windows
Median: 5.2 hrsMean: 15.5 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 22.7%, FPS 20.3%, Co-op 15.6%, Online Co-Op 8.3%, Action 7.4%
- #34 Stellar Survivor
76% 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 23.6%, Aliens 16.8%, FPS 12.1%, Violent 10.1%, Multiplayer 8.7%
- #35 Unsafe Express
73% matchMixed56% of 284 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 20%, Aliens 17.9%, Co-op 16.5%, FPS 13.4%, Shooter 6.5%
- #36 Alien Swarm
73% matchVery Positive95% of 21,506 reviews2010
Dev: Valve
Windows
Median: 2.4 hrsMean: 35.4 hrs≥1hr: 65%
Co-operative multiplayer game and complete code base available for free.
Why similar: Co-op 28.5%, Aliens 20.8%, Online Co-Op 20.4%, Shooter 9%, Multiplayer 7.4%
- #37 Natural Selection 2
74% matchVery Positive85% of 13,305 reviews2012
Dev: Unknown Worlds Entertainment
Windows
Median: 2.9 hrsMean: 24.2 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 30.6%, Aliens 20.2%, Multiplayer 11.5%, Co-op 9.6%, Action 6.9%
- #38 Killing Floor: Incursion
75% matchMixed50% of 1,049 reviews2017
Dev: Tripwire Interactive
Windows
Median: 1.1 hrsMean: 8.6 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 16.2%, Co-op 14.9%, Gore 12.7%, Violent 11.1%, Online Co-Op 10%
- #39 Nuclear Nightmare
70% matchVery Positive81% of 17,749 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 34.7%, Co-op 22.4%, Aliens 15.6%, Horror 7.5%, First-Person 6.6%
- #40 Left 4 Dead
72% matchOverwhelmingly Positive96% of 66,127 reviews2008
Dev: Valve
Windows
Median: 3.4 hrsMean: 64.5 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 22%, FPS 19.1%, Online Co-Op 14.7%, Zombies 14%, Multiplayer 7.2%
- #41 Zedfest
71% 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 20.4%, Violent 17.5%, Action 15.5%, Co-op 13.4%, Online Co-Op 12.4%
- #42 Eden Rising
73% matchMixed64% of 1,447 reviews2019
Dev: The Wall Productions Inc.
Windows
Median: 54 minMean: 16.2 hrs≥1hr: 47%
Brace yourself for a brand new action-packed Open World. Explore a huge world to gather materials for gear and defenses. Use everything at your disposal to defend your bases and defeat hordes of hostile monsters. Play solo or up to 8-player online!
Why similar: Co-op 33.4%, Online Co-Op 20.4%, Multiplayer 13.7%, Aliens 11.3%, Action 10%
- #43 Earth Defense Force: Insect Armageddon
72% matchVery Positive87% of 1,131 reviews2011
Dev: Vicious Cycle Software, Inc.Pub: D3Publisher of America, Inc.
Windows
Median: 2.6 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 28.9%, Online Co-Op 28.6%, Action 18.8%, Aliens 13.4%, Sci-fi 5.1%
- #44 Quake 4
71% matchVery Positive88% of 3,762 reviews2011
Dev: RavenSoftPub: Bethesda Softworks
Windows
Median: 1.8 hrsMean: 6.7 hrs≥1hr: 58%
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 37%, Gore 12%, Shooter 11.6%, Action 8.3%, Sci-fi 6.2%
- #45 EXOME
70% matchVery Positive80% of 316 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 20.9%, Co-op 19.9%, Horror 10.5%, Action 10%
- #46 John Carpenter's Toxic Commando
67% matchMostly Positive77% of 5,386 reviews2026
Dev: Saber InteractivePub: Focus Entertainment
Windows
Median: 8.6 hrsMean: 13.4 hrs≥1hr: 92%
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 24.1%, FPS 20.2%, Co-op 12.2%, Shooter 10.9%, Zombies 9%
- #47 Chased by Darkness
70% matchMostly Positive72% of 410 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 26.1%, Co-op 20%, Gore 10.4%, FPS 7.6%, Horror 7.4%
- #48 Astrumis - Survive Together
67% matchMostly Positive71% of 146 reviews2025
Dev: Tyci
Windows
Astrumis - Survive Together is an exclusively co-op horror game. One player controls a survivor on an abandoned spaceship and the other the ship itself. They must work together to survive against the mysterious monster.
Why similar: Co-op Campaign 27.7% ★, Online Co-Op 19.1%, Aliens 17.8%, Co-op 16.1%, Sci-fi 5.1%
- #49 No More Room in Hell
68% matchVery Positive90% of 75,677 reviews2013
Dev: No More Room in Hell TeamPub: Lever Games
Windows · Linux
Median: 2.2 hrsMean: 22.2 hrs≥1hr: 67%
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.
Why similar: Online Co-Op 18.1%, Co-op 17.6%, Zombies 14.4%, FPS 14%, Multiplayer 9.3%
- #50 DESOLATE
69% matchMixed67% of 8,009 reviews2019
Dev: NeargaPub: HypeTrain Digital
Windows
Median: 3.6 hrsMean: 10.5 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 21.2%, Gore 20.1%, Zombies 17.2%, Horror 17.2%, First-Person 14%
- #51 EARTH DEFENSE FORCE 4.1 The Shadow of New Despair
68% matchVery Positive95% of 10,351 reviews2016
Dev: SANDLOTPub: D3PUBLISHER
Windows
Median: 4.9 hrsMean: 21.2 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 23.6%, Online Co-Op 23.4%, Co-op 23.1%, Action 10%, Shooter 6%
- #52 Macabre
66% matchMixed65% of 147 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 28.3%, Online Co-Op 24.4%, Aliens 19.7%, Multiplayer 7.7%, Horror 7%
- #53 ORION: Prelude
69% matchMostly Positive75% of 28,423 reviews2013
Dev: DANKIE
Windows
Median: 2.9 hrsMean: 7.0 hrs≥1hr: 77%
Work together to survive the devastating Dinosaur horde in huge, endless environments.
Why similar: FPS 24.7%, Online Co-Op 23.6%, Co-op 18.8%, Shooter 9.3%, Multiplayer 8.7%
- #54 Fortified
69% matchMostly Positive74% of 1,720 reviews2016
Dev: Siege Camp
Windows
Median: 3.2 hrsMean: 4.9 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 71.7%, Co-op 11.3%, Aliens 7.6%, Online Co-Op 3.5%, Multiplayer 2.7%
- #55 Regain Earth: First Strike
68% 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 24.2%, Aliens 19.8%, Shooter 14%, Violent 11.9%, Zombies 9.7%
- #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 27.7%, Co-op 22.9%, Action 15.3%, Shooter 10.9%, Multiplayer 6.9%
- #57 Ultimate Zombie Defense
66% matchVery Positive85% of 4,653 reviews2020
Dev: Terror Dog Studio
Windows · Mac
Median: 1.9 hrsMean: 8.2 hrs≥1hr: 66%
Team up or face it alone in this top down zombie slaying defense adventure! Featuring up to 4 player online co-op, cleanse the infected wave by wave and upgrade your base with traps & defenses to build the Ultimate Zombie Defense. Can YOU stop them?
Why similar: Online Co-Op 26%, Co-op 16.9%, Zombies 11.9%, Gore 10.8%, Action 10.6%
- #58 ZIC – Zombies in City
67% matchVery Positive90% of 146 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 20.8% ★, Online Co-Op 14.8%, FPS 14.1%, Co-op 12.6%, Shooter 7.7%