- #1 Codename CURE
97% matchVery Positive85% of 16,490 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 17.4% ★, Online Co-Op 14.6%, Co-op 13.6%, FPS 13.4%, Shooter 13%
Why You'll Like It: Like Sven Co-op, it is a free Source-based co-op shooter where classes and teamwork matter against waves of AI enemies.
- #2 No More Room in Hell
96% 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 20.1%, Co-op 19.9%, FPS 15.4%, Survival 14.5%, Multiplayer 11.8%
Why You'll Like It: Its free objective-based co-op maps, heavy reliance on cooperation, and old-school mod feel line up very well with Sven Co-op’s appeal.
- #3 Cry of Fear
96% matchVery Positive89% of 82,586 reviews2013
Dev: Team Psykskallar
Windows
Median: 1.3 hrsMean: 7.6 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 28.5%, Online Co-Op 17.5%, Multiplayer 13.2%, FPS 13.2%, First-Person 8.6%
Why You'll Like It: Born from the Half-Life mod scene, it shares Sven’s retro Source-era feel while offering a co-op campaign full of tense fights and exploration.
- #4 Synergy
95% matchMostly Positive76% of 1,011 reviews2025
Dev: Leikir StudioPub: Goblinz Publishing
Windows · Mac
Median: 1.3 hrsMean: 5.4 hrs≥1hr: 53%
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: It is the closest modern alternative to Sven Co-op, turning Half-Life 2 and other Source maps into a fully co-op experience built around teamwork and exploration.
- #5 Alien Swarm: Reactive Drop
94% 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: Moddable 26.8% ★, Co-op 20.4%, PvE 16%, Shooter 13.8%, Third Person 13.4%
Why You'll Like It: Even from a top-down perspective, it nails the same mission-based cooperative PvE focus and class synergy that Sven players tend to enjoy.
- #6 Alien Swarm
94% 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 26%, Online Co-Op 18.2%, Team-Based 11.4%, Shooter 10.8%, Multiplayer 7.6%
Why You'll Like It: This free Valve co-op game is another strong pick for players who like coordinating against AI enemies rather than competing in PvP.
- #7 Left 4 Dead 2
93% 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 17.9%, Online Co-Op 14%, Team-Based 10.8%, Shooter 9.1%
Why You'll Like It: Valve’s classic co-op FPS delivers the same satisfying AI-focused teamwork and replayable campaign energy, just with a more polished and modern structure.
- #8 Left 4 Dead
92% 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 19.8%, FPS 16.7%, Team-Based 15.3%, Online Co-Op 13%, Shooter 8.3%
Why You'll Like It: It is a leaner, more stripped-down co-op shooter than its sequel, with the same emphasis on surviving as a team through tightly designed scenarios.
- #9 Killing Floor
91% matchOverwhelmingly Positive95% of 68,364 reviews2009
Dev: Tripwire Interactive
Windows · Mac · Linux
Median: 5.1 hrsMean: 47.6 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 20.9%, Co-op 19.2%, Online Co-Op 13.4%, Team-Based 12%, Survival 8.5%
Why You'll Like It: Its wave-based co-op shooting has the same straightforward, old-school teamwork charm that makes Sven Co-op so easy to drop into with friends.
- #10 BrainBread 2
91% matchMostly Positive73% of 5,198 reviews2022
Dev: Reperio Studios
Windows · Mac · Linux
Median: 48 minMean: 6.7 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 25.2%, Co-op 20.8%, Multiplayer 14%, Survival 14%, Shooter 13%
Why You'll Like It: This free zombie shooter keeps the rough-edged community-mod spirit alive with co-op-friendly PvE and a very old-school FPS feel.
- #11 Half-Life
90% matchOverwhelmingly Positive97% of 159,245 reviews1998
Dev: Valve
Windows · Mac · Linux
Median: 2.5 hrsMean: 43.8 hrs≥1hr: 65%
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: Moddable 20.5% ★, FPS 20.3%, 1990's 19.3%, Shooter 11.2%, Retro 10.8%
Why You'll Like It: Sven Co-op began as a cooperative take on Half-Life, so the original is still the clearest way to get that exact world, pacing, and combat feel.
- #12 Black Mesa
89% matchVery Positive95% of 141,170 reviews2020
Dev: Crowbar Collective
Windows · Linux
Median: 8.2 hrsMean: 23.5 hrs≥1hr: 90%
Relive Half-Life.
Why similar: FPS 44.8%, Shooter 21.2%, First-Person 17%, Multiplayer 8.7%, Action 8.3%
Why You'll Like It: As a modern remake of Half-Life, it recreates the same setting and encounter design Sven players know, just with a much nicer presentation.
- #13 Serious Sam HD: The First Encounter
89% matchVery Positive93% of 8,705 reviews2009
Dev: CroteamPub: Devolver Digital
Windows
Median: 4.0 hrsMean: 8.5 hrs≥1hr: 84%
Serious Sam HD: The First Encounter is a visually upgraded and fully Steam supported remake version of the original high-adrenaline single-play and 16-player co-operative arcade-action FPS which was Gamespot's Game of the Year 2001 and which scored overall of 87% on Metacritic!
Why similar: FPS 37%, Co-op 17.6%, Online Co-Op 14.4%, Shooter 12.5%, Action 6.3%
Why You'll Like It: It captures the same retro co-op shooter thrill of blasting through hordes with friends, only in a more arcade-style campaign format.
- #14 Half-Life: Opposing Force
88% matchOverwhelmingly Positive95% of 27,778 reviews1999
Dev: Gearbox SoftwarePub: Valve
Windows · Mac · Linux
Median: 3.0 hrsMean: 39.3 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 54.7%, 1990's 12.2%, Shooter 10.8%, First-Person 6.8%, Action 4.7%
Why You'll Like It: It delivers more of the exact GoldSrc-era combat, aliens, and military chaos that made Sven’s original foundation so compelling.
- #15 E.Y.E: Divine Cybermancy
87% matchVery Positive85% of 7,960 reviews2011
Dev: Streum On Studio
Windows
Median: 4.6 hrsMean: 9.8 hrs≥1hr: 83%
In a dark Cyberpunk world, you (and up to 3 friends) wage war against the all-powerful Federation in this Source-powered FPS/RPG.
Why similar: FPS 39.6%, Co-op 26%, Online Co-Op 8.8%, First-Person 6.8%, Action 6.3%
Why You'll Like It: It is a weird, janky, systems-heavy FPS with co-op support and strong Source-engine energy that will click with players who like Sven’s mod-scene roots.
- #16 Serious Sam 3: BFE
86% matchVery Positive88% of 28,337 reviews2011
Dev: CroteamPub: Devolver Digital
Windows · Mac · Linux
Median: 4.5 hrsMean: 13.4 hrs≥1hr: 90%
Serious Sam 3: BFE is a prequel to the original indie fast action FPS and Game of the Year sensation - Serious Sam: The First Encounter!
Why similar: FPS 33.9%, Co-op 22.2%, Online Co-Op 16.5%, Shooter 9%, Action 6.7%
Why You'll Like It: It keeps the franchise’s co-op horde-heavy formula while feeling a bit more modern, making it a good bridge from retro shooters to newer ones.
- #17 Serious Sam HD: The Second Encounter
86% matchVery Positive91% of 913 reviews2010
Dev: CroteamPub: Devolver Digital
Windows
Serious Sam HD: The Second Encounter is a visually upgraded and fully Steam supported remake of the original high-adrenaline single-play and 16-player co-operative arcade-action FPS and Gamespot's Game of the Month!
Why similar: FPS 33.9%, Co-op 20%, Online Co-Op 13.7%, Shooter 13.6%, Action 6.8%
Why You'll Like It: This pushes the same old-school cooperative run-and-gun formula with even bigger battles and more chaotic teamwork moments.
- #18 Half-Life: Blue Shift
85% matchVery Positive93% of 20,378 reviews2001
Dev: Gearbox SoftwarePub: Valve
Windows · Mac · Linux
Median: 2.0 hrsMean: 37.3 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 48.7%, Shooter 13.9%, 1990's 12.1%, First-Person 8.2%, Action 6.7%
Why You'll Like It: This is another direct dose of classic Half-Life shooting and level design for anyone who mainly likes Sven for its old Valve feel.
- #19 Serious Sam Classics: Revolution
84% matchVery Positive90% of 3,730 reviews2019
Dev: CroteamPub: Devolver Digital
Windows
Median: 1.3 hrsMean: 10.0 hrs≥1hr: 53%
Serious Sam is a high-adrenaline arcade-action shooter heavily focused on frantic action. In a world where cyberpunk meets fantasy-fiction and advanced technology is mixed with black magic and psycho-powers, Sam travels through four beautiful worlds, confronting countless foes on his way to Mental's base.
Why similar: FPS 37.9%, Co-op 23%, Shooter 16.9%, Action 9.5%, First-Person 7.7%
Why You'll Like It: If what you love most is classic shooter pacing and cooperative monster-slaying, this is one of the purest matches on Steam.
- #20 Quake
84% matchOverwhelmingly Positive97% of 15,287 reviews2007
Dev: id SoftwarePub: Bethesda Softworks
Windows
Median: 1.7 hrsMean: 25.7 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 30.8%, 1990's 17%, Shooter 12.5%, Moddable 11.4% ★, Retro 7.6%
Why You'll Like It: With its remastered co-op support, Quake scratches the same classic 90s shooter itch that sits at the heart of Sven Co-op.
- #21 GTFO
82% 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 20.9%, Co-op 16.5%, FPS 16.3%, Team-Based 15.5%, Shooter 10.7%
Why You'll Like It: It is a much harsher and more tactical take on co-op PvE, but it scratches the same itch for coordinated progression through dangerous maps.
- #22 Deep Rock Galactic
81% 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 27.5%, FPS 21.1%, PvE 17.8%, Shooter 13.5%, First-Person 9.1%
Why You'll Like It: Its mission-based co-op, strong class teamwork, and constant PvE pressure make it a fantastic modern alternative for Sven groups.
- #23 Quake II
82% matchOverwhelmingly Positive95% of 9,960 reviews2007
Dev: id SoftwarePub: Bethesda Softworks
Windows
Median: 2.0 hrsMean: 7.8 hrs≥1hr: 63%
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 31.3%, 1990's 18.7%, Shooter 11.3%, Moddable 10.1% ★, Co-op 6.6%
Why You'll Like It: It offers another excellent retro FPS campaign to tackle cooperatively, with stronger sci-fi gunplay that Half-Life fans usually appreciate.
- #24 Painkiller Hell & Damnation
83% matchMostly Positive78% of 4,298 reviews2012
Dev: The Farm 51Pub: Prime Matter
Windows · Mac · Linux
Median: 3.7 hrsMean: 9.5 hrs≥1hr: 87%
Evil has returned! Demonic powers are manifesting themselves as a myriad of dark creatures, fighting over the fates of imprisoned souls caught in Purgatory.
Why similar: FPS 37.6%, Co-op 23.8%, Action 12%, Shooter 11.5%, First-Person 5.6%
Why You'll Like It: Its fast old-school FPS combat and co-op campaign structure make it a great fit for players chasing Sven’s retro shooter side.
- #25 PAYDAY 2
81% 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 22.5%, FPS 17.2%, Team-Based 16.6%, Online Co-Op 16%, Shooter 7.9%
Why You'll Like It: While more heist-focused, it similarly thrives on communication, shared objectives, and cooperative firefights that can quickly spiral into chaos.
- #26 Generation Zero®
80% matchMostly Positive72% of 41,588 reviews2019
Dev: Systemic Reaction™Pub: Avalanche Studios
Windows
Median: 4.7 hrsMean: 19.5 hrs≥1hr: 90%
Generation Zero is a stealth-action shooter where you wage guerilla warfare against lethal mechanical enemies. Explore a vast open world map inspired by the Swedish Cold War era, take part in the resistance alone or with up to three friends in seamless co-op.
Why similar: Co-op 22.1%, FPS 21.7%, PvE 15.5%, Shooter 14.9%, Survival 12.6%
Why You'll Like It: This open-world co-op shooter emphasizes exploration, scavenging, and fighting AI threats together, which echoes Sven’s group-against-the-map structure.
- #27 Portal 2
79% matchOverwhelmingly Positive99% of 456,665 reviews2011
Dev: Valve
Windows · Linux
Median: 9.0 hrsMean: 29.7 hrs≥1hr: 92%
The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!
Why similar: FPS 30.5%, Co-op 30.3%, First-Person 17%, Puzzle 15.4%, Action 6.7%
Why You'll Like It: It drops most of the shooting, but its brilliant co-op campaign captures Sven Co-op’s other big strength: working through first-person puzzles as a team.
- #28 Strange Brigade
79% 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 23.3%, Online Co-Op 20.8%, Shooter 13.5%, Third Person 12.9%, PvE 8.7%
Why You'll Like It: It is a lighthearted cooperative shooter built around clearing maps, solving simple environmental obstacles, and mowing down AI enemies with friends.
- #29 Earthfall
78% matchMixed65% of 2,293 reviews2018
Dev: Holospark
Windows
Median: 3.2 hrsMean: 6.8 hrs≥1hr: 87%
NOW AVAILABLE! When the Earth falls to an extra-terrestrial invasion, humanity becomes an endangered species. Earthfall is a four-player cooperative shooter that challenges players to survive hordes of ruthless alien drones and their inscrutable masters.
Why similar: Online Co-Op 24.3%, FPS 21.6%, Co-op 21.4%, Shooter 11.1%, First-Person 7%
Why You'll Like It: This co-op alien shooter feels like a Left 4 Dead-style extension of the same team-vs-AI action that Sven Co-op players often seek out next.
- #30 Team Fortress Classic
78% matchVery Positive87% of 9,083 reviews1999
Dev: Valve
Windows · Mac · Linux
Median: 18 minMean: 33.5 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: Team-Based 20.8%, FPS 20.4%, 1990's 12.1%, Action 10.2%, Shooter 9.8%
- #31 SCP: Secret Laboratory
75% matchVery Positive91% of 228,941 reviews2017
Dev: Northwood Studios
Windows
Median: 2.0 hrsMean: 45.3 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 21.3%, Online Co-Op 18%, FPS 14.6%, Multiplayer 13.4%, Shooter 12%
- #32 Counter-Strike Nexon
77% matchMixed67% of 43,059 reviews2014
Dev: ValvePub: NEXON
Windows
Median: 1.4 hrsMean: 49.3 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%, Co-op 16.3%, PvE 12.8%, Shooter 11.8%, Online Co-Op 11.3%
- #33 Fistful of Frags
76% matchVery Positive91% of 36,732 reviews2014
Dev: Fistful of Frags Team
Windows · Mac · Linux
Median: 1.8 hrsMean: 10.0 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: Online Co-Op 17.4%, FPS 16.2%, Co-op 15.4%, PvE 12.6%, Shooter 11.4%
- #34 Zombie Panic! Source
77% matchVery Positive85% of 7,823 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 15.1%, Co-op 14.8%, Online Co-Op 14.5%, Team-Based 13.1%, Survival 11.8%
- #35 Half-Life 2: Deathmatch
76% matchVery Positive91% of 15,042 reviews2004
Dev: Valve
Windows · Linux
Median: 42 minMean: 45.2 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 36.3%, Shooter 14.3%, Action 14%, Multiplayer 13%, First-Person 9.6%
- #36 Counter-Strike
74% matchOverwhelmingly Positive97% of 258,615 reviews2000
Dev: Valve
Windows · Mac · Linux
Median: 3.5 hrsMean: 274.3 hrs≥1hr: 68%
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 31.1%, Team-Based 20.4%, Shooter 15.4%, 1990's 9.6%, Multiplayer 9.2%
- #37 CS2D
73% matchVery Positive90% of 10,328 reviews2017
Dev: Unreal Software
Windows · Linux
Median: 36 minMean: 16.3 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 40.9%, Multiplayer 20.3%, FPS 14.5%, Action 9.3%, Co-op 5.9%
- #38 Half-Life Deathmatch: Source
75% matchMostly Positive76% of 5,390 reviews2006
Dev: Valve
Windows · Linux
Median: 12 minMean: 42.6 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 42.8%, Shooter 18.6%, Multiplayer 14.3%, Action 13.8%, First-Person 10.5%
- #39 Mutant Ops
73% 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 18.9%, Co-op 17.3%, Shoot 'Em Up 15.8%, Shooter 11.7%, Multiplayer 7.4%
- #40 Superbugs: Awaken
72% matchVery Positive87% of 189 reviews2022
Dev: Together Games
Windows
Median: 1.3 hrsMean: 6.3 hrs≥1hr: 61%
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 22.1%, Conversation 18.5%, Co-op 17.6%, FPS 11.7%, Puzzle 7.8%
- #41 Deathmatch Classic
74% matchVery Positive83% of 3,258 reviews2001
Dev: Valve
Windows · Mac · Linux
Median: 6 minMean: 49.4 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%, Action 27%, Shooter 14.2%, Multiplayer 8.9%, First-Person 8.2%
- #42 Rogue Point
70% matchMixed70% of 692 reviews2026
Dev: Crowbar CollectivePub: Team17
Windows
Median: 2.2 hrsMean: 4.1 hrs≥1hr: 78%
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 20.5%, FPS 16.7%, PvE 15.4%, Online Co-Op 13.6%, Shooter 10.9%
- #43 Blood and Bacon
72% matchOverwhelmingly Positive95% of 35,704 reviews2016
Dev: Big CorporationPub: Grunge Games LTD
Windows
Median: 2.8 hrsMean: 6.1 hrs≥1hr: 77%
This Co-op Shooter , has Day and Night levels, multiple maps, players will take on 25 enemy types and numerous bosses, like Gargantuan Monsters and Minibosses every 10 days as you explore, shoot and run for your life against the onslaught of porcine monstrosities.
Why similar: Online Co-Op 20.5%, FPS 20.2%, Co-op 18.5%, Shooter 16.5%, Multiplayer 9.8%
- #44 OPERATION SERPENS
73% matchVery Positive87% of 101 reviews2020
Dev: GINRA TECHPub: VrKiwi
Windows
Arcade Shooter | Single user campaign | Co-op multiplayer mode | Fast paced action game
Why similar: Online Co-Op 16.8%, Co-op 14.2%, Shoot 'Em Up 13.7%, FPS 12.4%, 1990's 10.5%
- #45 Tvö
71% matchMostly Positive72% of 596 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 27.4%, Co-op 22.5%, Puzzle 11.2%, First-Person 9.3%, Multiplayer 9.3%
- #46 The Horde Wants You Dead
69% matchMixed63% of 246 reviews2025
Dev: Bellyflop Games
Windows
The Horde Wants You Dead is a casual, top-down shooter with up to 4-player online co-op. Ambushed by an angry horde, you and your friends face a fight for survival against thousands of relentless enemies!
Why similar: Team-Based 18.3%, Shoot 'Em Up 16.8%, Online Co-Op 14.7%, Co-op 11.8%, PvE 10%
- #47 Rounds of Zombies
71% matchMixed69% of 266 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 32.3%, FPS 20.2%, PvE 16.6%, Shooter 16.5%, Survival 8.7%
- #48 Transmissions: Element 120
70% matchVery Positive94% of 9,893 reviews2016
Dev: ShokuninPub: Self Published
Windows · Linux
Median: 1.1 hrsMean: 2.7 hrs≥1hr: 54%
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 25.7%, Shooter 24%, First-Person 13.8%, Multiplayer 10.8%, Survival 7.9%
- #49 Teeworlds
70% matchVery Positive89% of 4,371 reviews2015
Dev: Teeworlds Team
Windows · Mac · Linux
Median: 42 minMean: 7.2 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 22.6%, Shooter 20.1%, Co-op 19.8%, Team-Based 16.2%, Online Co-Op 11.1%
- #50 Glitch Busters: Stuck On You
69% matchMostly Positive72% of 163 reviews2023
Dev: Toylogic Inc.Pub: Skybound Games
Windows
Median: 1.9 hrsMean: 7.6 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 18.5%, Team-Based 15.4%, 1990's 13.3%, Shooter 11.1%, Co-op 8.7%
- #51 FBC: Firebreak
67% matchMixed64% of 2,221 reviews2025
Dev: Remedy Entertainment
Windows
Median: 4.2 hrsMean: 10.8 hrs≥1hr: 85%
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 25.3%, FPS 23.7%, PvE 17.8%, Shooter 12.6%, First-Person 9.2%
- #52 Double Action: Boogaloo
69% matchVery Positive93% of 11,401 reviews2014
Dev: Double Action Factory
Windows · Linux
Median: 1.1 hrsMean: 4.6 hrs≥1hr: 53%
Double Action is a free stylish multiplayer game about diving, flipping, and sliding your way into action movie mayhem.
Why similar: FPS 21.2%, Shooter 21%, Multiplayer 15.4%, Co-op 12.8%, Online Co-Op 9.4%
- #53 Tank Team
66% matchVery Positive91% of 904 reviews2024
Dev: Finndustries
Windows · Mac · Linux
Median: 54 minMean: 6.7 hrs≥1hr: 44%
A team based PVP game where groups of up to 8 players must work together to operate a tank!
Why similar: Team-Based 46.8%, Online Co-Op 29.8%, Co-op 11%, Casual 5.6%, Multiplayer 4.4%
- #54 HALF DEAD 2
68% matchVery Positive84% of 2,239 reviews2019
Dev: Room710Games
Windows
Median: 2.3 hrsMean: 6.9 hrs≥1hr: 78%
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 32.3%, Survival 21%, Online Co-Op 17.5%, Multiplayer 10.2%, First-Person 7.8%
- #55 Joint War - [BETA]
68% matchMixed51% of 292 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 22.6%, Co-op 16.5%, Online Co-Op 16.3%, FPS 15.1%, Shooter 10%
- #56 Counter-Strike: Source
67% matchOverwhelmingly Positive96% of 190,323 reviews2004
Dev: Valve
Windows · Linux
Median: 7.5 hrsMean: 177.0 hrs≥1hr: 78%
Counter-Strike: Source blends Counter-Strike's award-winning teamplay action with the advanced technology of Source™ technology.
Why similar: Shooter 28.6%, FPS 24.1%, Team-Based 21.6%, Multiplayer 8%, First-Person 5.8%
- #57 Counter-Strike: Condition Zero
67% matchVery Positive91% of 27,795 reviews2004
Dev: Valve
Windows · Mac · Linux
Median: 36 minMean: 53.0 hrs≥1hr: 41%
With its extensive Tour of Duty campaign, a near-limitless number of skirmish modes, updates and new content for Counter-Strike's award-winning multiplayer game play, plus over 12 bonus single player missions, Counter-Strike: Condition Zero is a tremendous offering of single and multiplayer content.
Why similar: FPS 32.5%, Shooter 17.3%, Team-Based 17.1%, Action 9.4%, Multiplayer 8.3%
- #58 STRAFTAT
63% matchOverwhelmingly Positive96% of 19,652 reviews2024
Dev: Sirius LemaitrePub: Lemaitre Bros
Windows · Mac · Linux
Median: 1.5 hrsMean: 4.5 hrs≥1hr: 61%
STRAFTAT is a 1v1/2v2 ONLINE first person SHOOTER with quick rounds in over 350 MAPS ; Including all WEAPONS, proximity chat and 4 players FFA.
Why similar: FPS 28%, 1990's 20.4%, Shooter 20%, Multiplayer 10.9%, Action 7.3%