Games like Alien Swarm on Steam
For those who prefer not to search, lists of the most played, top deals and best free games like Alien Swarm are available at the bottom of the page.
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World War Z
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.
BRAIN / OUT
Brain / Out is a multiplayer shooter with a nostalgic post-Soviet feel. Experience dynamic battles and exterminate your enemies with a large arsenal of modern weaponry. Lock'n'load!
Guns and Robots
Guns and Robots is free to play online third person shooter. The game brings robot action with massive customization. Players get cartoony bright 3D graphics in attractive environments and challenge each other in open arenas.
Dead Space™ 3
Journey across space to the icy planet of Tau Volantis with Isaac Clarke and Sgt. John Carver to discover and destroy the source of the Necromorph outbreak.
EARTH DEFENSE FORCE 4.1 The Shadow of New Despair
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.
WARMODE
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.
Alien Breed 2: Assault
Can you survive the alien onslaught? Gamers across the world will now have a chance to play the next chapter in this high-budget, high-quality series.
MultiVersus
MultiVersus is a free-to-play platform fighter that brings the depth of iconic WB stars to life across the nearly endless possibilities of play.
BrainBread 2
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.
Project Zero Deaths
Project Zero Deaths is a hectic physics-based F2P online multiplayer platform shooter. Jump into frantic battles in dynamic maps, solo or with friends, to fight in varied wild game modes! Choose between different characters with unique skills and customize them and their weapons to your own playstyle!
Climb
You thought you were the only rock climbing hipster around, but these mountains are full of them. Eliminate all competition and claim your rock! Climb, an online multiplayer brawler with short and action packet game sessions!
Halo Infinite
From one of gaming's most iconic sagas, Halo is bigger than ever. Featuring an expansive open-world campaign and a dynamic free to play multiplayer experience.
APB Reloaded
The world’s first and premier Action MMO Third Person Shooter allows you to choose between two sides of the law. Play as Enforcer or Criminal, customize your gear for the task at hand and hit the streets and play how you want in a city filled with more action this side of a Hollywood blockbuster.
Alien Breed: Impact
Experience the explosive science fiction arcade-shooter that resurrects a much revered franchise in an epic single player and co-op multiplayer campaign.
Starship Troopers: Extermination
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!
Thunder Tier One
Thunder Tier One is a realistic top-down shooter where you join an elite special operations team tasked with stopping a dangerous terrorist organization wreaking havoc across the fictional Eastern European country of Salobia.
Zula Global
Zula is an intense free-to-play FPS in which you can play cooperatively with your teammates to overthrow the enemy side. You can enjoy new content weekly and receive gifts every day. Variety of maps and weapons from the real world so you can immerse yourself 100%.
Pixel Strike 3D
Pixel Strike 3D is a Multiplayer First-Person Shooter that features fast-paced gameplay and a wide variety of player customization. Battle friends and foes from all around the world in over 20 unique game modes, with over 70 available weapons.
MISTERY
A multiplayer game of survival and social deduction. You work with others to collect materials, survive the dangers, and complete tasks. Beware of monsters, but more of the alternates disguising as your teammates. They can change into supernatural monsters and attack you at any time.
Countersnipe
Multiplayer Seek and Snipe
Most played games like Alien Swarm on Steam
Take a look at the top games like Alien Swarm that are currently attracting the largest player bases on the Steam platform, as of June 15th 2025.
1. Dota 2
Similarity 52% Every day, millions of players worldwide enter battle as one of over a hundred Dota heroes. And no matter if it's their 10th hour of play or 1,000th, there's always something new to discover. With regular updates that ensure a constant evolution of gameplay, features, and heroes, Dota 2 has taken on a life of its own. Dota 2 is a free to play, moba and multiplayer game developed and published by Valve. Released on July 09th 2013 has received 2,498,969 reviews of which 2,037,143 were positive and 461,826 were negative resulting in a rating of 8.1 out of 10. The game has hit the top spot as the #1 most played game like Alien Swarm, thanks to its 367,943 peak concurrent players over the last day.
8.1
2,037,143
461,826
367,943
players
2. HELLDIVERS™ 2
Similarity 63% The Galaxy’s Last Line of Offence. Enlist in the Helldivers and join the fight for freedom across a hostile galaxy in a fast, frantic, and ferocious third-person shooter. HELLDIVERS™ 2 is a online co-op, pve and third-person shooter game developed by Arrowhead Game Studios and published by PlayStation Publishing LLC. Released on February 08th 2024 has received 1,017,635 reviews of which 775,883 were positive and 241,752 were negative resulting in a rating of 7.6 out of 10. While seeing 59,219 players online at once in the last 24 hours, this game is currently ranked #2 among games like Alien Swarm based on player count.
7.6
775,883
241,752
59,219
players
3. Apex Legends™
Similarity 51% Apex Legends is the award-winning, free-to-play Hero Shooter from Respawn Entertainment. Master an ever-growing roster of legendary characters with powerful abilities, and experience strategic squad play and innovative gameplay in the next evolution of Hero Shooter and Battle Royale. Apex Legends™ is a free to play, battle royale and multiplayer game developed by Respawn and published by Electronic Arts. Released on November 04th 2020 has received 994,979 reviews of which 668,053 were positive and 326,926 were negative resulting in a rating of 6.7 out of 10. While seeing 59,118 players online at once in the last 24 hours, this game is currently ranked #3 among games like Alien Swarm based on player count.
6.7
668,053
326,926
59,118
players
4. Team Fortress 2
Similarity 54% Nine distinct classes provide a broad range of tactical abilities and personalities. Constantly updated with new game modes, maps, equipment and, most importantly, hats! Team Fortress 2 is a free to play, hero shooter and multiplayer game developed and published by Valve. Released on October 10th 2007 has received 1,161,472 reviews of which 1,044,264 were positive and 117,208 were negative resulting in a rating of 8.9 out of 10. With 47,544 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Alien Swarm.
8.9
1,044,264
117,208
47,544
players
5. Delta Force
Similarity 51% Delta Force is back! The iconic series returns as the definitive free-to-play modern team-based tactical shooter and featuring three distinct gameplay modes: large-scale PvP warfare, intense extraction shooter action, and a remake of the legendary Black Hawk Down campaign. Delta Force is a free to play, fps and multiplayer game developed by Team Jade and published by TiMi Studio Group. Released on December 04th 2024 has received 114,627 reviews of which 72,717 were positive and 41,910 were negative resulting in a rating of 6.3 out of 10. With 34,526 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Alien Swarm.
6.3
72,717
41,910
34,526
players
6. Left 4 Dead 2
Similarity 58% Set in the zombie apocalypse, Left 4 Dead 2 (L4D2) is the highly anticipated sequel to the award-winning Left 4 Dead, the #1 co-op game of 2008. This 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. Left 4 Dead 2 is a zombies, co-op and fps game developed and published by Valve. Released on November 16th 2009 has received 963,983 reviews of which 940,221 were positive and 23,762 were negative resulting in an impressive rating of 9.7 out of 10. With 30,782 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Alien Swarm.
9.7
940,221
23,762
30,782
players
7. Destiny 2
Similarity 49% Destiny 2 is an action MMO with a single evolving world that you and your friends can join anytime, anywhere, absolutely free. Destiny 2 is a free to play, open world and multiplayer game developed and published by Bungie. Released on October 01st 2019 has received 625,616 reviews of which 497,891 were positive and 127,725 were negative resulting in a rating of 7.9 out of 10. With 25,856 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Alien Swarm.
7.9
497,891
127,725
25,856
players
8. PAYDAY 2
Similarity 55% 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. PAYDAY 2 is a co-op, action and fps game developed by OVERKILL - a Starbreeze Studio. and published by Starbreeze Publishing AB. Released on August 13th 2013 has received 663,082 reviews of which 594,327 were positive and 68,755 were negative resulting in a rating of 8.9 out of 10. With 23,535 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Alien Swarm.
8.9
594,327
68,755
23,535
players
9. Once Human
Similarity 53% Once Human is a multiplayer open-world survival game set in a strange, post-apocalyptic future. Unite with friends to fight monstrous enemies, uncover secret plots, compete for resources, and build your own territory. Once, you were merely human. Now, you have the power to remake the world. Once Human is a multiplayer, free to play and survival game developed and published by Starry Studio. Released on July 09th 2024 has received 131,199 reviews of which 97,203 were positive and 33,996 were negative resulting in a rating of 7.3 out of 10. With 21,393 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Alien Swarm.
7.3
97,203
33,996
21,393
players
10. Brawlhalla
Similarity 52% An epic platform fighter for up to 8 players online or local. Try casual free-for-alls, ranked matches, or invite friends to a private room. And it's free! Play cross-platform with millions of players on PlayStation, Xbox, Nintendo Switch, iOS, Android & Steam! Frequent updates. Over sixty Legends. Brawlhalla is a free to play, multiplayer and fighting game developed by Blue Mammoth Games and published by Ubisoft. Released on October 17th 2017 has received 386,456 reviews of which 314,809 were positive and 71,647 were negative resulting in a rating of 8.1 out of 10. With 14,377 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Alien Swarm.
8.1
314,809
71,647
14,377
players
Best deals on games like Alien Swarm on Steam
Discover fantastic savings with the best discounts on a variety of games like Alien Swarm available on Steam right now, updated on June 15th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like Alien Swarm.
1. Strange Brigade
Similarity 57% 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! Strange Brigade is a action, adventure and co-op game developed and published by Rebellion. Released on August 27th 2018 has received 10,728 reviews of which 9,034 were positive and 1,694 were negative resulting in a rating of 8.2 out of 10. Featuring a massive 99% discount, this game currently holds the #1 spot in the best deals for games like Alien Swarm.
8.2
9,034
1,694
-99%
49.99€
0.82€
2. Warhammer: End Times - Vermintide
Similarity 53% Vermintide is an epic co-operative action combat adventure set in the End Times of the iconic Warhammer Fantasy world. Warhammer: End Times - Vermintide is a action, online co-op and co-op game developed and published by Fatshark. Released on October 23rd 2015 has received 21,090 reviews of which 16,874 were positive and 4,216 were negative resulting in a rating of 7.9 out of 10. Thanks to its incredible 99% discount, this game is now the #2 best deal in games like Alien Swarm.
7.9
16,874
4,216
-99%
28.99€
0.48€
3. This Means Warp
Similarity 58% It’s co-op space survival fun, Jim, but not as we know it. This Means Warp is an intense spaceship management roguelite experience for 1-4 players. Explore a procedurally generated universe, upgrade your ship, battle dangerous enemies and adapt your strategies to survive in a hostile galaxy. This Means Warp is a survival, online co-op and space game developed by Outlier and published by Jagex Ltd. Released on May 04th 2023 has received 627 reviews of which 447 were positive and 180 were negative resulting in a rating of 6.8 out of 10. Thanks to its incredible 99% discount, this game is now the #3 best deal in games like Alien Swarm.
6.8
447
180
-99%
19.50€
0.38€
4. Police Stories
Similarity 53% A fresh take on top-down shooters with an emphasis on tactics that forces you to make split second decisions. Neutralize criminals, rescue civilians and defuse bombs in Single Player mode or Co-op. And remember - shooting first is not an option! Police Stories is a action, strategy and co-op game developed and published by HypeTrain Digital. Released on September 19th 2019 has received 8,701 reviews of which 7,406 were positive and 1,295 were negative resulting in a rating of 8.3 out of 10. Currently offered at a significant 98% discount, this title has earned the #4 position in the best deals for games like Alien Swarm.
8.3
7,406
1,295
-98%
19.99€
0.53€
5. The Blackout Club
Similarity 51% The Blackout Club is a first-person co-op horror game centered around a group of teenage friends investigating a monstrous secret beneath the skin of their small town. 1-4 players explore procedurally-generated missions against a fearsome enemy you can only see with your eyes closed. The Blackout Club is a horror, co-op and indie game developed and published by Question. Released on July 29th 2019 has received 2,847 reviews of which 2,214 were positive and 633 were negative resulting in a rating of 7.5 out of 10. Currently offered at a significant 98% discount, this title has earned the #5 position in the best deals for games like Alien Swarm.
7.5
2,214
633
-98%
28.99€
0.68€
6. F.E.A.R. 3
Similarity 56% F.E.A.R. 3 delivers all the hallmarks that define the F.E.A.R. brand: terrifying paranormal experience, frenetic combat and a dramatic storyline. F.E.A.R. 3 is a fps, horror and co-op game developed by Day 1 Studios and published by Warner Bros. Interactive Entertainment. Released on June 21st 2011 has received 12,758 reviews of which 9,070 were positive and 3,688 were negative resulting in a rating of 7.0 out of 10. Currently offered at a significant 98% discount, this title has earned the #6 position in the best deals for games like Alien Swarm.
7.0
9,070
3,688
-98%
19.99€
0.45€
7. Alien Rage - Unlimited
Similarity 50% Unleash a fury of powerful weapons as you blast your way through armies of Alien forces hell-bent on taking you down! Battle through 14 intense levels and prepare to face a barrage of beastly-sized bosses that will test your every skill. Each of your 10 weapons comes with two firing modes and you’ll need all of them! Alien Rage - Unlimited is a action, shooter and fps game developed and published by CI Games. Released on September 24th 2013 has received 3,455 reviews of which 2,334 were positive and 1,121 were negative resulting in a rating of 6.6 out of 10. Currently offered at a significant 98% discount, this title has earned the #7 position in the best deals for games like Alien Swarm.
6.6
2,334
1,121
-98%
19.99€
0.54€
8. From Space
Similarity 69% From Space is a solo and co-op action-shooter for squads up to four players. Take on the challenge of liberating the earth from an alien infestation with your friends, using over-the-top weaponry in a post-apocalyptic world with awesomely stylized graphics. The apocalypse has never been so much fun! From Space is a action, co-op and online co-op game developed by Triangle Studios and published by Curve Games. Released on November 03rd 2022 has received 1,884 reviews of which 1,277 were positive and 607 were negative resulting in a rating of 6.6 out of 10. Currently offered at a significant 98% discount, this title has earned the #8 position in the best deals for games like Alien Swarm.
6.6
1,277
607
-98%
14.99€
0.31€
9. Gunscape
Similarity 52% Gunscape provides easy-to-use tools based on a block-placement interface everybody's already familiar with to create all types of maps. Don't like building stuff? Then just blast your way through hordes of monsters or duel with other players! Gunscape is a action, indie and multiplayer game developed and published by Blowfish Studios. Released on March 01st 2016 has received 1,249 reviews of which 828 were positive and 421 were negative resulting in a rating of 6.4 out of 10. Currently offered at a significant 98% discount, this title has earned the #9 position in the best deals for games like Alien Swarm.
6.4
828
421
-98%
19.99€
0.52€
10. Stars End
Similarity 59% Stars End is a sci-fi survival sandbox set on the wild frontier of a distant star system. Play solo or host your own server as you craft, build, and battle to survive in a galaxy shaped by danger, discovery, and your own grit. Stars End is a co-op, massively multiplayer and multiplayer game developed by Reverie World Studios and published by indie.io. Released on January 08th 2023 has received 1,392 reviews of which 871 were positive and 521 were negative resulting in a rating of 6.1 out of 10. Currently offered at a significant 98% discount, this title has earned the #10 position in the best deals for games like Alien Swarm.
6.1
871
521
-98%
18.49€
0.44€
Free games like Alien Swarm on Steam
Check out this fantastic list of free-to-play games like Alien Swarm you can enjoy on Steam right now, updated on June 15th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like Alien Swarm.
1. Dota 2
Similarity 52% Every day, millions of players worldwide enter battle as one of over a hundred Dota heroes. And no matter if it's their 10th hour of play or 1,000th, there's always something new to discover. With regular updates that ensure a constant evolution of gameplay, features, and heroes, Dota 2 has taken on a life of its own. Dota 2 is a free to play, moba and multiplayer game developed and published by Valve. Released on July 09th 2013 has received 2,498,969 reviews of which 2,037,143 were positive and 461,826 were negative resulting in a rating of 8.1 out of 10. With 367,943 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Alien Swarm.
8.1
2,037,143
461,826
367,943
players
2. Apex Legends™
Similarity 51% Apex Legends is the award-winning, free-to-play Hero Shooter from Respawn Entertainment. Master an ever-growing roster of legendary characters with powerful abilities, and experience strategic squad play and innovative gameplay in the next evolution of Hero Shooter and Battle Royale. Apex Legends™ is a free to play, battle royale and multiplayer game developed by Respawn and published by Electronic Arts. Released on November 04th 2020 has received 994,979 reviews of which 668,053 were positive and 326,926 were negative resulting in a rating of 6.7 out of 10. Thanks to its free to play tag and a daily player base of 59,118, this game has secured the #2 spot in the ranking of free games like Alien Swarm.
6.7
668,053
326,926
59,118
players
3. Team Fortress 2
Similarity 54% Nine distinct classes provide a broad range of tactical abilities and personalities. Constantly updated with new game modes, maps, equipment and, most importantly, hats! Team Fortress 2 is a free to play, hero shooter and multiplayer game developed and published by Valve. Released on October 10th 2007 has received 1,161,472 reviews of which 1,044,264 were positive and 117,208 were negative resulting in a rating of 8.9 out of 10. Thanks to its free to play tag and a daily player base of 47,544, this game has secured the #3 spot in the ranking of free games like Alien Swarm.
8.9
1,044,264
117,208
47,544
players
4. Delta Force
Similarity 51% Delta Force is back! The iconic series returns as the definitive free-to-play modern team-based tactical shooter and featuring three distinct gameplay modes: large-scale PvP warfare, intense extraction shooter action, and a remake of the legendary Black Hawk Down campaign. Delta Force is a free to play, fps and multiplayer game developed by Team Jade and published by TiMi Studio Group. Released on December 04th 2024 has received 114,627 reviews of which 72,717 were positive and 41,910 were negative resulting in a rating of 6.3 out of 10. Attracting a solid base of 34,526 players due to its free access, this strategy game has achieved the #4 position in the best free games like Alien Swarm.
6.3
72,717
41,910
34,526
players
5. Destiny 2
Similarity 49% Destiny 2 is an action MMO with a single evolving world that you and your friends can join anytime, anywhere, absolutely free. Destiny 2 is a free to play, open world and multiplayer game developed and published by Bungie. Released on October 01st 2019 has received 625,616 reviews of which 497,891 were positive and 127,725 were negative resulting in a rating of 7.9 out of 10. Attracting a solid base of 25,856 players due to its free access, this strategy game has achieved the #5 position in the best free games like Alien Swarm.
7.9
497,891
127,725
25,856
players
6. Once Human
Similarity 53% Once Human is a multiplayer open-world survival game set in a strange, post-apocalyptic future. Unite with friends to fight monstrous enemies, uncover secret plots, compete for resources, and build your own territory. Once, you were merely human. Now, you have the power to remake the world. Once Human is a multiplayer, free to play and survival game developed and published by Starry Studio. Released on July 09th 2024 has received 131,199 reviews of which 97,203 were positive and 33,996 were negative resulting in a rating of 7.3 out of 10. Attracting a solid base of 21,393 players due to its free access, this strategy game has achieved the #6 position in the best free games like Alien Swarm.
7.3
97,203
33,996
21,393
players
7. Brawlhalla
Similarity 52% An epic platform fighter for up to 8 players online or local. Try casual free-for-alls, ranked matches, or invite friends to a private room. And it's free! Play cross-platform with millions of players on PlayStation, Xbox, Nintendo Switch, iOS, Android & Steam! Frequent updates. Over sixty Legends. Brawlhalla is a free to play, multiplayer and fighting game developed by Blue Mammoth Games and published by Ubisoft. Released on October 17th 2017 has received 386,456 reviews of which 314,809 were positive and 71,647 were negative resulting in a rating of 8.1 out of 10. Attracting a solid base of 14,377 players due to its free access, this strategy game has achieved the #7 position in the best free games like Alien Swarm.
8.1
314,809
71,647
14,377
players
8. Splitgate 2
Similarity 59% Splitgate 2 is the only free-to-play shooter with portals, delivering next-level gunplay, fluid movement, and a constantly evolving experience, featuring a new Battle Royale where you can portal between unique worlds. Welcome to the future of sport. Splitgate 2 is a shooter, free to play and multiplayer game developed and published by 1047 Games. Released on May 22nd 2025 has received 14,530 reviews of which 8,990 were positive and 5,540 were negative resulting in a rating of 6.1 out of 10. Attracting a solid base of 12,522 players due to its free access, this strategy game has achieved the #8 position in the best free games like Alien Swarm.
6.1
8,990
5,540
12,522
players
9. Unturned
Similarity 54% You're a survivor in the zombie infested ruins of society, and must work with your friends and forge alliances to remain among the living. Unturned is a free to play, survival and zombies game developed and published by Smartly Dressed Games. Released on July 07th 2017 has received 555,368 reviews of which 506,516 were positive and 48,852 were negative resulting in an impressive rating of 9.0 out of 10. Attracting a solid base of 10,810 players due to its free access, this strategy game has achieved the #9 position in the best free games like Alien Swarm.
9.0
506,516
48,852
10,810
players
10. STALCRAFT: X
Similarity 50% STALCRAFT: X is the largest open-world online game in the Chernobyl Exclusion Zone. Explore the world full of mutants and anomalies alone or with friends — unforgettable emotions guaranteed. STALCRAFT: X is a free to play, mmorpg and multiplayer game developed and published by EXBO. Released on December 09th 2022 has received 78,974 reviews of which 59,715 were positive and 19,259 were negative resulting in a rating of 7.5 out of 10. Attracting a solid base of 6,371 players due to its free access, this strategy game has achieved the #10 position in the best free games like Alien Swarm.
7.5
59,715
19,259
6,371
players