- #1 Codename CURE
97% matchVery Positive85% of 16,538 reviews2017
Dev: Raptor Byte
Windows · Linux
Median: 54 minMean: 5.2 hrs≥1hr: 48%
Codename CURE is a first person, co-operative zombie game with support for up to five players, providing dynamic, fast-paced zombie fragging with both objective, and survival-based missions.
Why similar: Moddable 17.6%, Online Co-Op 13.9%, FPS 13.9%, Co-op 13.5%, Shooter 13.4%
Why You'll Like It: A free co-op Source shooter where teams fight through objective-driven zombie scenarios with the same approachable mod-game feel.
- #2 No More Room in Hell
96% matchVery Positive90% of 76,727 reviews2013
Dev: No More Room in Hell TeamPub: Lever Games
Windows · Linux
Median: 2.2 hrsMean: 22.4 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: Co-op 19.8%, Online Co-Op 19.3%, FPS 15.9%, Survival 14.7%, Multiplayer 11.7%
Why You'll Like It: Its free, tense Source-engine zombie co-op emphasizes teamwork, scavenging, and surviving map objectives together.
- #3 Alien Swarm: Reactive Drop
96% matchVery Positive95% of 23,827 reviews2017
Dev: Reactive Drop Team
Windows
Median: 1.7 hrsMean: 10.0 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: Moddable 27.1%, Co-op 20.2%, PvE 15.3%, Shooter 14.3%, Third Person 13.6%
Why You'll Like It: Although played from a top-down view, it captures Sven Co-op's team-focused PvE missions, classes, and replayable community content.
- #4 Cry of Fear
95% matchVery Positive89% of 87,694 reviews2013
Dev: Team Psykskallar
Windows
Median: 1.3 hrsMean: 7.8 hrs≥1hr: 57%
Cry of Fear is a psychological single-player and co-op horror game set in a deserted town filled with horrific creatures and nightmarish delusions. You play as a young man desperately searching for answers in the cold Scandinavian night, finding his way through the city as he slowly descends into madness.
Why similar: Co-op 28.3%, Online Co-Op 16.8%, FPS 13.7%, Multiplayer 13.2%, Shooter 8.9%
Why You'll Like It: This Half-Life mod includes a dedicated co-op campaign that combines exploration and enemy encounters with a much darker horror tone.
- #5 Synergy
94% matchMostly Positive76% of 1,098 reviews2025
Dev: Leikir StudioPub: Goblinz Publishing
Windows · Mac
Median: 1.4 hrsMean: 9.8 hrs≥1hr: 55%
An ecosystem City Builder in a unique world. Build your settlement, manage your workers and optimize your resources. Analyzing your environment, spreading new plants, and harvesting them are key to prosperity.
Why You'll Like It: This co-op Source mod is the closest direct alternative, letting groups play through Half-Life 2-era campaigns and custom maps together.
- #6 BrainBread 2
94% matchMostly Positive73% of 5,209 reviews2022
Dev: Reperio Studios
Windows · Mac · Linux
Median: 48 minMean: 6.8 hrs≥1hr: 42%
Grab a weapon, demolish your enemies, level up, become more powerful, let the gore flow, let the limbs fly. BrainBread 2 introduces a zombie fps mixed with RPG / Arcade elements, the game is very action-packed and generally fast-paced.
Why similar: FPS 25.8%, Co-op 20.4%, Survival 13.9%, Multiplayer 13.7%, Shooter 13.2%
Why You'll Like It: A free zombie FPS with cooperative survival modes, objective maps, and a rough-edged classic mod-shooter character.
- #7 Half-Life
93% matchOverwhelmingly Positive96% of 164,392 reviews1998
Dev: Valve
Windows · Mac · Linux
Median: 2.6 hrsMean: 45.2 hrs≥1hr: 66%
Named Game of the Year by over 50 publications, Valve's debut title blends action and adventure with award-winning technology to create a frighteningly realistic world where players must think to survive. Also includes an exciting multiplayer mode that allows you to play against friends and enemies around the world.
Why similar: FPS 20.8%, Moddable 20.4%, 1990's 18.9%, Shooter 11.4%, Retro 10.8%
Why You'll Like It: As the game Sven Co-op was originally built around, its landmark combat, environments, and puzzles remain the foundation of the experience.
- #8 Killing Floor
92% matchOverwhelmingly Positive95% of 68,963 reviews2009
Dev: Tripwire Interactive
Windows · Mac · Linux
Median: 5.1 hrsMean: 47.9 hrs≥1hr: 86%
6-player co-op survival horror at its finest! Free updates, free special events and a ridiculous amount of fun!
Why similar: FPS 21.5%, Co-op 18.9%, Online Co-Op 12.8%, Team-Based 11.8%, Survival 8.6%
Why You'll Like It: This old-school co-op FPS centers on holding out against escalating monster waves while buying gear and covering teammates.
- #9 Left 4 Dead 2
91% matchOverwhelmingly Positive98% of 1,060,263 reviews2009
Dev: Valve
Windows · Linux
Median: 13.1 hrsMean: 100.5 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 20.2%, FPS 18.5%, Online Co-Op 13.4%, Team-Based 10.7%, Shooter 9.4%
Why You'll Like It: Its superb four-player campaigns turn every level into a coordinated PvE push through enemies, special threats, and scripted objectives.
- #10 Black Mesa
91% matchVery Positive95% of 145,002 reviews2020
Dev: Crowbar Collective
Windows · Linux
Median: 8.4 hrsMean: 24.0 hrs≥1hr: 90%
Relive Half-Life.
Why similar: FPS 45.3%, Shooter 21.4%, First-Person 16.5%, Action 8.5%, Multiplayer 8.4%
Why You'll Like It: This polished Half-Life remake is ideal for players who want the same science-facility setting, combat rhythm, and environmental puzzles in a modernized form.
- #11 Serious Sam Classic: The First Encounter
90% matchOverwhelmingly Positive96% of 3,506 reviews2019
Dev: CroteamPub: Devolver Digital
Windows
Median: 1.9 hrsMean: 7.6 hrs≥1hr: 60%
Serious Sam is a high-adrenaline single-play and 16-player co-operative arcade-action FPS and Gamespot's Game of the Year 2001!
Why similar: FPS 43.3%, Co-op 17.6%, Shooter 15.4%, Action 9.6%, First-Person 7.3%
Why You'll Like It: A fast, deliberately retro shooter with drop-in cooperative campaign play and enormous enemy hordes.
- #12 Serious Sam Classic: The Second Encounter
89% matchOverwhelmingly Positive96% of 2,075 reviews2019
Dev: CroteamPub: Devolver Digital
Windows
Median: 1.9 hrsMean: 7.9 hrs≥1hr: 60%
Serious Sam Classic: The Second Encounter is a high-adrenaline single-play and 16-player co-operative arcade-action FPS and Gamespot's Game of the Month February 2002!
Why similar: FPS 40.4%, Co-op 19.2%, Shooter 14.8%, Action 10.2%, First-Person 9.5%
Why You'll Like It: It expands the classic Serious Sam co-op formula with bigger maps, more weapons, and more absurdly large battles.
- #13 Team Fortress Classic
89% matchVery Positive87% of 9,294 reviews1999
Dev: Valve
Windows · Mac · Linux
Median: 18 minMean: 35.1 hrs≥1hr: 26%
One of the most popular online action games of all time, Team Fortress Classic features over nine character classes -- from Medic to Spy to Demolition Man -- enlisted in a unique style of online team warfare. Each character class possesses unique weapons, items, and abilities, as teams compete online in a variety of game play modes.
Why similar: FPS 20.9%, Team-Based 20.4%, 1990's 11.9%, Action 10.5%, Shooter 10.1%
Why You'll Like It: While mostly competitive, it shares Sven Co-op's GoldSrc roots, fast movement, class-based combat, and late-1990s Valve atmosphere.
- #14 Contagion
88% matchMostly Positive73% of 15,738 reviews2013
Dev: Monochrome, Inc
Windows
Median: 3.8 hrsMean: 11.3 hrs≥1hr: 86%
Contagion isn't your average Zombie Shooter but instead takes a more realistic and different approach to the popular genre with unique characters, environments, weapons, items, and a built in system that makes every round completely unpredictable with resources, objectives, and paths ever changing.
Why similar: Moddable 22%, FPS 16.3%, Co-op 16%, PvE 11.6%, Shooter 11%
Why You'll Like It: A co-op zombie shooter with varied objectives, limited resources, and a grounded Source-era multiplayer atmosphere.
- #15 GTFO
86% matchVery Positive84% of 66,909 reviews2021
Dev: 10 Chambers
Windows
Median: 6.8 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 20.3%, FPS 17%, Co-op 16.2%, Team-Based 15.3%, Shooter 11.2%
Why You'll Like It: This is a far more demanding co-op FPS, but its team communication, map navigation, and PvE objectives strongly reward coordinated groups.
- #16 Quake
87% matchOverwhelmingly Positive96% of 16,461 reviews2007
Dev: id SoftwarePub: Bethesda Softworks
Windows
Median: 1.8 hrsMean: 27.2 hrs≥1hr: 59%
Developed by the award-winning id Software, Quake® is the ground-breaking, original dark fantasy first-person shooter that inspires today’s retro-style FPS games. With Quake (Enhanced), experience the authentic, updated, and visually enhanced version of the original.
Why similar: FPS 31.1%, 1990's 16.7%, Shooter 12.6%, Moddable 11.4%, Retro 7.7%
Why You'll Like It: The enhanced version preserves classic FPS action while supporting cooperative campaign play through its maze-like levels.
- #17 System Shock 2: 25th Anniversary Remaster
85% matchVery Positive88% of 2,273 reviews2025
Dev: Nightdive Studios
Windows
Median: 3.8 hrsMean: 9.5 hrs≥1hr: 73%
System Shock® 2: 25th Anniversary Remaster is a genre defining experience that established innovative game-play mechanics that are a staple of the FPS and RPG genre today. Survive the wretched corridors of the Von Braun. Your training has prepared you for this.
Why similar: Online Co-Op 30%, FPS 27.2%, Shooter 14.6%, Multiplayer 11.8%, First-Person 6.7%
Why You'll Like It: Its co-op mode supports a classic sci-fi FPS campaign where a party explores, fights, loots, and solves problems aboard a hostile station.
- #18 Zombie Panic! Source
86% matchVery Positive85% of 7,869 reviews2008
Dev: Zombie Panic! Team
Windows · Linux
Median: 54 minMean: 47.7 hrs≥1hr: 49%
Dive into the zombie apocalypse with Zombie Panic! Source: a cooperative, survival-horror first-person-shooter. A fast-paced standalone modification.
Why similar: FPS 15.9%, Co-op 14.9%, Online Co-Op 14.2%, Team-Based 13.2%, Multiplayer 10.2%
Why You'll Like It: This free Source mod offers tense zombie survival rounds with familiar community-mod production values and team-based shooting.
- #19 Deep Rock Galactic
83% matchOverwhelmingly Positive97% of 380,437 reviews2020
Dev: Ghost Ship GamesPub: Coffee Stain Publishing
Windows
Median: 14.1 hrsMean: 76.4 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 27.1%, FPS 21.7%, PvE 17%, Shooter 13.9%, First-Person 9%
Why You'll Like It: Four-player squads explore procedural caves, fight swarms, complete jobs, and rely on distinct roles much like a modern co-op mission mod.
- #20 Half-Life: Opposing Force
84% matchOverwhelmingly Positive95% of 29,060 reviews1999
Dev: Gearbox SoftwarePub: Valve
Windows · Mac · Linux
Median: 3.0 hrsMean: 40.2 hrs≥1hr: 65%
Return to the Black Mesa Research Facility as one of the military specialists assigned to eliminate Gordon Freeman. Experience an entirely new episode of single player action. Meet fierce alien opponents, and experiment with new weaponry. Named 'Game of the Year' by the Academy of Interactive Arts and Sciences.
Why similar: FPS 55.1%, 1990's 12%, Shooter 11%, First-Person 6.7%, Action 4.8%
Why You'll Like It: Its expansion campaign uses the same classic engine, combat feel, and environmental storytelling that made Sven Co-op's original maps so memorable.
- #21 Quake II
84% matchOverwhelmingly Positive95% of 10,437 reviews2007
Dev: id SoftwarePub: Bethesda Softworks
Windows
Median: 2.0 hrsMean: 7.9 hrs≥1hr: 64%
You are humanity’s last hope to stop the Strogg, a hostile alien race waging war against Earth. Play this military sci-fi FPS, now upgraded for modern platforms with improved visuals, new campaign content, online multiplayer/co-op, and more.
Why similar: FPS 31.8%, 1990's 18.4%, Shooter 11.7%, Moddable 10%, Retro 6.4%
Why You'll Like It: Its remastered release includes cooperative play for a campaign full of chunky weapons, alien bases, and old-school level exploration.
- #22 Ready or Not
82% matchMostly Positive79% of 347,826 reviews2023
Dev: VOID Interactive
Windows
Median: 13.2 hrsMean: 34.8 hrs≥1hr: 95%
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.
Why similar: FPS 32.7%, Co-op 23.5%, Shooter 19.6%, Multiplayer 10.4%, First-Person 10.1%
Why You'll Like It: It delivers deliberate co-op FPS missions where players clear environments together, communicate constantly, and complete tactical objectives.
- #23 Left 4 Dead
82% matchOverwhelmingly Positive96% of 68,256 reviews2008
Dev: Valve
Windows
Median: 3.5 hrsMean: 65.9 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 19.6%, FPS 17.2%, Team-Based 15.1%, Online Co-Op 12.5%, Shooter 8.6%
Why You'll Like It: The original remains a strong match for its straightforward four-player campaign structure, AI enemies, and shared survival objectives.
- #24 Gunfire Reborn
81% matchVery Positive93% of 103,749 reviews2021
Dev: Gunfire Reborn StudioPub: Duoyi Games
Windows
Median: 18.9 hrsMean: 49.7 hrs≥1hr: 96%
Gunfire Reborn is a level-based adventure game featuring FPS, Roguelite and RPG. Players can control heroes with various abilities to experience diverse Build gameplay, use various weapons to explore procedurally-generated levels. You can play the game alone, or join 4-player coop.
Why similar: FPS 27%, Online Co-Op 26.9%, Co-op 23.1%, Multiplayer 8.6%, Shooter 7.3%
Why You'll Like It: A lighter roguelite FPS built around repeatable co-op runs, enemy-filled stages, and synergistic team builds.
- #25 PAYDAY 2
81% matchVery Positive89% of 674,944 reviews2013
Dev: OVERKILL - a Starbreeze Studio.Pub: Starbreeze Entertainment
Windows
Median: 11.2 hrsMean: 100.7 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 22.4%, FPS 17.8%, Team-Based 16.4%, Online Co-Op 15.4%, Shooter 8.2%
Why You'll Like It: Its heists offer highly replayable objective-based FPS co-op where teams coordinate equipment, defend positions, and improvise under pressure.
- #26 Risk of Rain 2
80% matchVery Positive94% of 353,255 reviews2020
Dev: Hopoo GamesPub: Gearbox Publishing
Windows
Median: 19.5 hrsMean: 64.6 hrs≥1hr: 94%
Escape a chaotic alien planet by fighting through hordes of frenzied monsters – with your friends, or on your own. Combine loot in surprising ways and master each character until you become the havoc you feared upon your first crash landing.
Why similar: Co-op 30.6%, Online Co-Op 19.5%, Multiplayer 14.3%, Shooter 11.8%, Third Person 9.9%
Why You'll Like It: Its four-player runs share Sven Co-op's chaotic PvE spirit, with escalating combat and collaborative exploration replacing linear maps.
- #27 Insurgency
79% matchVery Positive92% of 124,773 reviews2014
Dev: New World Interactive
Windows · Mac · Linux
Median: 4.0 hrsMean: 35.2 hrs≥1hr: 81%
Take to the streets for intense close quarters combat, where a team's survival depends upon securing crucial strongholds and destroying enemy supply in this multiplayer and cooperative Source Engine based experience.
Why similar: FPS 50.4%, Team-Based 13.4%, Shooter 9.6%, Co-op 7.7%, Online Co-Op 6.6%
Why You'll Like It: Its cooperative modes provide grounded Source-engine firefights where small teams clear objectives against AI opponents.
- #28 Warhammer: Vermintide 2
79% matchVery Positive85% of 147,746 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%, Online Co-Op 22.3%, PvE 14.6%, FPS 12.8%, First-Person 10%
Why You'll Like It: A polished squad-based PvE game focused on pushing through handcrafted levels, fighting hordes, and protecting teammates.
- #29 EARTH DEFENSE FORCE 5
78% matchVery Positive94% of 11,551 reviews2019
Dev: SANDLOTPub: D3PUBLISHER
Windows
Median: 13.9 hrsMean: 41.3 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 32.6%, Co-op 25.3%, Shooter 16.7%, Action 12.9%, Multiplayer 6.3%
Why You'll Like It: This gleefully chaotic co-op shooter lets groups tackle large missions against overwhelming alien and insect armies using wildly different classes.
- #30 Alien Swarm
78% matchVery Positive95% of 21,636 reviews2010
Dev: Valve
Windows
Median: 2.3 hrsMean: 36.4 hrs≥1hr: 65%
Co-operative multiplayer game and complete code base available for free.
Why similar: Co-op 25.9%, Online Co-Op 17.5%, Shooter 11.3%, Team-Based 11.2%, Multiplayer 7.6%
- #31 Counter-Strike
76% matchOverwhelmingly Positive97% of 261,954 reviews2000
Dev: Valve
Windows · Mac · Linux
Median: 3.5 hrsMean: 277.5 hrs≥1hr: 69%
Play the world's number 1 online action game. Engage in an incredibly realistic brand of terrorist warfare in this wildly popular team-based game. Ally with teammates to complete strategic missions. Take out enemy sites. Rescue hostages. Your role affects your team's success. Your team's success affects your role.
Why similar: FPS 31.7%, Team-Based 19.8%, Shooter 15.7%, 1990's 9.4%, Multiplayer 8.9%
- #32 Half-Life 2: Deathmatch
77% matchVery Positive91% of 15,387 reviews2004
Dev: Valve
Windows · Linux
Median: 42 minMean: 46.4 hrs≥1hr: 44%
Fast multiplayer action set in the Half-Life 2 universe! HL2's physics adds a new dimension to deathmatch play. Play straight deathmatch or try Combine vs. Resistance teamplay. Toss a toilet at your friend today!
Why similar: FPS 36.8%, Shooter 14.5%, Action 14.3%, Multiplayer 12.7%, First-Person 9.3%
- #33 Counter-Strike Nexon
77% matchMixed67% of 43,348 reviews2014
Dev: ValvePub: NEXON
Windows
Median: 1.4 hrsMean: 50.4 hrs≥1hr: 56%
Counter-Strike Nexon is a Free to Play MMOFPS offering competitive PvP and PvE action including content from the original Counter-Strike and all new game modes, map creation function, weapons, and hordes of Zombies!
Why similar: FPS 26.8%, Co-op 16%, PvE 12.3%, Shooter 12.2%, Online Co-Op 10.8%
- #34 Fistful of Frags
76% matchVery Positive91% of 36,910 reviews2014
Dev: Fistful of Frags Team
Windows · Mac · Linux
Median: 1.8 hrsMean: 10.3 hrs≥1hr: 64%
Multiplayer based, first person enabled, action packed and skill demanding shooter set in the Wild West times. A unique combination of non stop action and slow but powerful weaponry.
Why similar: FPS 16.9%, Online Co-Op 16.7%, Co-op 15.3%, PvE 12.1%, Shooter 11.9%
- #35 SCP: Secret Laboratory
73% matchVery Positive91% of 234,866 reviews2017
Dev: Northwood Studios
Windows
Median: 2.0 hrsMean: 47.4 hrs≥1hr: 65%
Deep within a secure underground facility, a sudden containment breach allows many of the secured anomalies to escape from their chambers. Assist the Foundation in re-securing the facility, help the Insurgency in their goal to capture it, or wreak havoc as an SCP in a frantic bid to escape.
Why similar: Co-op 21%, Online Co-Op 17.3%, FPS 15.1%, Multiplayer 13.3%, Shooter 12.4%
- #36 Deathmatch Classic
75% matchVery Positive83% of 3,323 reviews2001
Dev: Valve
Windows · Mac · Linux
Median: 6 minMean: 52.2 hrs≥1hr: 18%
Enjoy fast-paced multiplayer gaming with Deathmatch Classic (a.k.a. DMC). Valve's tribute to the work of id software, DMC invites players to grab their rocket launchers and put their reflexes to the test in a collection of futuristic settings.
Why similar: FPS 30.2%, Action 27.4%, Shooter 14.5%, Multiplayer 8.5%, First-Person 8%
- #37 Half-Life: Blue Shift
74% matchVery Positive93% of 21,287 reviews2001
Dev: Gearbox SoftwarePub: Valve
Windows · Mac · Linux
Median: 2.0 hrsMean: 39.4 hrs≥1hr: 60%
Made by Gearbox Software and originally released in 2001 as an add-on to Half-Life, Blue Shift is a return to the Black Mesa Research Facility in which you play as Barney Calhoun, the security guard sidekick who helped Gordon out of so many sticky situations.
Why similar: FPS 49%, Shooter 14.1%, 1990's 11.9%, First-Person 8%, Action 6.8%
- #38 Mutant Ops
74% matchMostly Positive78% of 559 reviews2020
Dev: Jacob NavarroPub: Warhog Games
Windows
Mutant Ops is a low poly co-op shooter. Go in alone or with friends and survive endless waves of mutants and monsters.
Why similar: FPS 19.3%, Co-op 16.8%, Shoot 'Em Up 16.2%, Shooter 11.9%, Multiplayer 7.2%
- #39 Half-Life Deathmatch: Source
75% matchMostly Positive76% of 5,593 reviews2006
Dev: Valve
Windows · Linux
Median: 12 minMean: 43.5 hrs≥1hr: 24%
Half-Life Deathmatch: Source is a recreation of the first multiplayer game set in the Half-Life universe. Features all the classic weapons and most-played maps, now running on the Source engine.
Why similar: FPS 43.2%, Shooter 18.8%, Action 14.1%, Multiplayer 13.8%, First-Person 10.2%
- #40 CS2D
73% matchVery Positive90% of 10,352 reviews2017
Dev: Unreal Software
Windows · Linux
Median: 36 minMean: 17.0 hrs≥1hr: 35%
CS2D is a free fast-paced top-down multiplayer shooter. Featuring many different game modes, a built-in map editor and much more.
Why similar: Shooter 41.7%, Multiplayer 19.7%, FPS 14.3%, Action 9.6%, Co-op 5.7%
- #41 Teeworlds
73% matchVery Positive89% of 4,371 reviews2015
Dev: Teeworlds Team
Windows · Mac · Linux
Median: 42 minMean: 7.3 hrs≥1hr: 39%
Teeworlds is a free online multiplayer game, available for all major operating systems. Battle with up to 16 players in a variety of game modes, including Team Deathmatch and Capture The Flag. You can even design your own maps!
Why similar: Multiplayer 22.3%, Shooter 20.8%, Co-op 19.6%, Team-Based 16%, Action 10.7%
- #42 Superbugs: Awaken
72% matchVery Positive87% of 190 reviews2022
Dev: Together Games
Windows
Median: 1.2 hrsMean: 6.2 hrs≥1hr: 60%
A Communication-Based, Co-Op game for 2P. Play either as the Scientist or the Hunter with communication as your only weapon to save your precious cat, Mimi, from deadly Superbugs!
Why similar: Online Co-Op 21.1%, Dialogue Heavy 19.3%, Co-op 17.3%, FPS 12.1%, Puzzle 8%
- #43 Rogue Point
70% matchMixed64% of 1,227 reviews2026
Dev: Crowbar CollectivePub: Team17
Windows
Median: 2.5 hrsMean: 6.3 hrs≥1hr: 77%
From the creators of Black Mesa: Welcome to Rogue Point! A 4-player co-op shooter where teamwork is everything. Join forces on intense missions with evolving objectives and powerful upgrades. Plan, Adapt, and Overcome. Your squad’s survival depends on it.
Why similar: Co-op 20.4%, FPS 17.6%, PvE 15%, Online Co-Op 13.1%, Shooter 11.2%
- #44 Hunt Zombies Together
70% matchVery Positive87% of 86 reviews2026
Dev: cnsgames
Windows
Hunt Zombies Together is a co-op multiplayer FPS survival horror game where you and your friends battle waves of zombies and supernatural enemies inside a cursed mansion. Can be played by 1 to 4 people.
Why similar: FPS 16.5%, Shoot 'Em Up 16.2%, Shooter 14.3%, Online Co-Op 13.5%, Co-op 10.2%
- #45 OPERATION SERPENS
72% matchVery Positive87% of 104 reviews2020
Dev: GINRA TECHPub: VrKiwi
Windows
Arcade Shooter | Single user campaign | Co-op multiplayer mode | Fast paced action game
Why similar: Online Co-Op 16.1%, Shoot 'Em Up 14.2%, Co-op 14%, FPS 12.8%, 1990's 10.4%
- #46 Tvö
71% matchMostly Positive72% of 608 reviews2022
Dev: Artless GalleryPub: Umbra Evolution
Windows
Tvö is an online cooperative puzzle game where two players must use their wits and communication skills to find a way into the heart of the labyrinth. This game can be played using our in-game voice chat or a third-party option.
Why similar: Online Co-Op 26.8%, Co-op 22.4%, Puzzle 11.6%, Multiplayer 9.4%, First-Person 9.4%
- #47 Transmissions: Element 120
71% matchVery Positive95% of 9,960 reviews2016
Dev: ShokuninPub: Self Published
Windows · Linux
Median: 1.1 hrsMean: 2.6 hrs≥1hr: 53%
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?
Why similar: FPS 26%, Shooter 24.3%, First-Person 13.5%, Multiplayer 10.5%, Survival 7.9%
- #48 Rounds of Zombies
70% matchMixed69% of 279 reviews2022
Dev: Kiririn
Windows
Classic zombie round survival. choose a map and see how many rounds you can survive with friends or alone.
Why similar: Online Co-Op 30.9%, FPS 20.8%, Shooter 17.5%, PvE 15.9%, Survival 9.1%
- #49 Glitch Busters: Stuck On You
69% matchMostly Positive73% of 176 reviews2023
Dev: Toylogic Inc.Pub: Skybound Games
Windows
Median: 1.9 hrsMean: 8.0 hrs≥1hr: 63%
It’s a normal day on the net, until a virus outbreak turns everything upside-down. Only your squad of GLITCH BUSTERS can take on the net’s kookiest bugs in an online world gone haywire in this 1-4 player co-op 3rd person shooter.
Why similar: Shoot 'Em Up 19.1%, Team-Based 15%, 1990's 13.2%, Shooter 11.4%, Co-op 8.5%
- #50 FBC: Firebreak
67% matchMixed64% of 2,349 reviews2025
Dev: Remedy Entertainment
Windows
Median: 3.4 hrsMean: 12.3 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 24.9%, FPS 24.4%, PvE 17%, Shooter 13.1%, First-Person 9.1%
- #51 Storebound
66% matchMostly Positive78% of 1,461 reviews2026
Dev: Embers
Windows
Median: 2.0 hrsMean: 3.2 hrs≥1hr: 82%
A 1-3 player co-op puzzle horror game set in an accursed megastore. Work together to decode the store's twisted logic, and find a way out before the lurking horrors doom you to shop forever.
Why similar: Online Co-Op 21.9%, Co-op 21.2%, 1990's 18.6%, PvE 13.3%, Puzzle 9.5%
- #52 HALF DEAD 2
68% matchVery Positive84% of 2,239 reviews2019
Dev: Room710Games
Windows
Median: 2.3 hrsMean: 6.9 hrs≥1hr: 79%
Go through deadly rooms of multi-storey building. Team up with other players and make your way through traps with a friendly team (CO-OP)! Or take a weapon and kill them all in the PvP game mode!
Why similar: Co-op 31.6%, Survival 21.1%, Online Co-Op 17.4%, Multiplayer 10.3%, First-Person 8.1%
- #53 WARMODE
69% matchMixed62% of 16,454 reviews2019
Dev: Novalink
Windows
Median: 54 minMean: 21.0 hrs≥1hr: 48%
Free to play shooter about the confrontation of two irreconcilable sides, represented by the government military housings and the armed hirelings. Try your hand at virtual battles with off-scale dynamics and hurricane gameplay in the spirit of the classical shooters.
Why similar: FPS 33.4%, Shooter 20.9%, Multiplayer 12.3%, First-Person 9.7%, Co-op 9.2%
- #54 Counter-Strike: Source
68% matchOverwhelmingly Positive96% of 193,434 reviews2004
Dev: Valve
Windows · Linux
Median: 7.5 hrsMean: 179.7 hrs≥1hr: 78%
Counter-Strike: Source blends Counter-Strike's award-winning teamplay action with the advanced technology of Source™ technology.
Why similar: Shooter 29%, FPS 24.5%, Team-Based 21%, Multiplayer 7.8%, First-Person 5.7%
- #55 Deducto
67% matchVery Positive90% of 4,378 reviews2022
Dev: Red Fox Studios
Windows
Median: 1.4 hrsMean: 4.1 hrs≥1hr: 61%
A fun hidden role game where you backstab your co-workers and get mad at your co-workers for backstabbing you. (6-10 players)
Why similar: Dialogue Heavy 22.2%, Online Co-Op 15.7%, Team-Based 14.1%, Co-op 12.6%, FPS 8.2%
- #56 Joint War - [BETA]
68% matchMixed52% of 297 reviews2022
Dev: Eskrima GamesPub: Eskrima Games
Windows
Joint War is a team-based tactical F2P first-person shooter (FPS) set in the old-school era. Infiltration, hostage rescues, bomb planting/defusing and more. Are you up for an intense shooter?
Why similar: Team-Based 22.4%, Co-op 16.4%, Online Co-Op 15.7%, FPS 15.7%, Shooter 10.4%
- #57 Tank Team
65% matchVery Positive91% of 998 reviews2024
Dev: Finndustries
Windows · Mac · Linux
Median: 54 minMean: 6.3 hrs≥1hr: 43%
A team based PVP game where groups of up to 8 players must work together to operate a tank!
Why similar: Team-Based 47.3%, Online Co-Op 29.3%, Co-op 10.8%, Casual 5.6%, Multiplayer 4.5%