Games like Alien Swarm: Reactive Drop on Steam
For those who prefer not to search, lists of the most played, top deals and best free games like Alien Swarm: Reactive Drop are available at the bottom of the page.
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Livelock
Livelock is a co-operative top-down shooter where you play solo or with up to two allies to break the cycle of infinite war between machines. As one of the remaining Capital Intellects, your role is to unlock Eden and revive humanity.
Cygnus Enterprises
Action RPG Shooter with Base Management elements, featuring AI NPCs. Take charge of an abandoned outpost, explore a lush alien planet, battle fierce creatures, gather resources, and upgrade your base as you develop your character and bring dozens of distinct weapons to bear.
From Space
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!
Killsquad
Hack and slash? Check. Twin-stick-shooter? Check. 4 player coop to slay hordes of aliens & bosses with your friends? Check. Skills, upgrades, weapons, gears, talismans and more to make you stronger? Check. Wake up, bounty hunter. We have a mission for you. Time to clean up the scum of the galaxy.
Orcs Must Die! 3
Slice, burn, toss, zap, grind and gib massive hordes of repugnant orcs in this long-awaited successor to the award-winning Orcs Must Die! series.
Deep Rock Galactic
Deep Rock Galactic is a 1-4 player co-op FPS featuring badass space Dwarves, 100% destructible environments, procedurally-generated caves, and endless hordes of alien monsters.
Most played games like Alien Swarm: Reactive Drop on Steam
Take a look at the top games like Alien Swarm: Reactive Drop that are currently attracting the largest player bases on the Steam platform, as of June 15th 2025.
1. Deep Rock Galactic
Similarity 40% Deep Rock Galactic is a 1-4 player co-op FPS featuring badass space Dwarves, 100% destructible environments, procedurally-generated caves, and endless hordes of alien monsters. Deep Rock Galactic is a dwarf, co-op and pve game developed by Ghost Ship Games and published by Coffee Stain Publishing. Released on May 13th 2020 has received 343,000 reviews of which 333,587 were positive and 9,413 were negative resulting in an impressive rating of 9.6 out of 10. The game has hit the top spot as the #1 most played game like Alien Swarm: Reactive Drop, thanks to its 6,711 peak concurrent players over the last day.
9.6
333,587
9,413
6,711
players
2. HELLDIVERS™ Dive Harder Edition
Similarity 49% HELLDIVERS™ is a hardcore, cooperative, twin stick shooter. As part of the elite unit called the HELLDIVERS, players must work together to protect SUPER EARTH and defeat the enemies of mankind in an intense intergalactic war. HELLDIVERS™ Dive Harder Edition is a online co-op, co-op and top-down shooter game developed by Arrowhead Game Studios and published by PlayStation Publishing LLC. Released on December 07th 2015 has received 31,519 reviews of which 28,441 were positive and 3,078 were negative resulting in a rating of 8.9 out of 10. While seeing 159 players online at once in the last 24 hours, this game is currently ranked #2 among games like Alien Swarm: Reactive Drop based on player count.
8.9
28,441
3,078
159
players
3. Orcs Must Die! 3
Similarity 40% Slice, burn, toss, zap, grind and gib massive hordes of repugnant orcs in this long-awaited successor to the award-winning Orcs Must Die! series. Orcs Must Die! 3 is a tower defense, co-op and strategy game developed and published by Robot Entertainment. Released on July 23rd 2021 has received 14,083 reviews of which 12,067 were positive and 2,016 were negative resulting in a rating of 8.4 out of 10. While seeing 155 players online at once in the last 24 hours, this game is currently ranked #3 among games like Alien Swarm: Reactive Drop based on player count.
8.4
12,067
2,016
155
players
4. CyberCorp
Similarity 50% Brutal fast-paced isometric Co-op Loot Shooter in Cyberpunk world. Equipment-based combos. Exotic Weapons and Armor. Easy to start, hard to master. Play solo or with friends. CyberCorp is a top-down shooter, twin stick shooter and top-down game developed and published by Megame LLC. Released on April 22nd 2025 has received 322 reviews of which 266 were positive and 56 were negative resulting in a rating of 7.7 out of 10. The game currently holds the #4 spot among the most played games like Alien Swarm: Reactive Drop.
7.7
266
56
19
players
5. From Space
Similarity 43% 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. The game currently holds the #5 spot among the most played games like Alien Swarm: Reactive Drop.
6.6
1,277
607
9
players
6. Killsquad
Similarity 40% Hack and slash? Check. Twin-stick-shooter? Check. 4 player coop to slay hordes of aliens & bosses with your friends? Check. Skills, upgrades, weapons, gears, talismans and more to make you stronger? Check. Wake up, bounty hunter. We have a mission for you. Time to clean up the scum of the galaxy. Killsquad is a action, hack and slash and top-down shooter game developed and published by Novarama. Released on October 21st 2021 has received 3,492 reviews of which 2,455 were positive and 1,037 were negative resulting in a rating of 6.9 out of 10. The game currently holds the #6 spot among the most played games like Alien Swarm: Reactive Drop.
6.9
2,455
1,037
4
players
7. Relic Hunters Zero: Remix
Similarity 42% Relic Hunters Zero: Remix is a remaster of the FREE 1 million player hit game about blasting evil space ducks and turtles with tiny cute guns. It’s fast, it’s tactical, and feels deliciously smooth to play. Unlock new weapons, characters and relics to defeat the Ducan Commander! Relic Hunters Zero: Remix is a looter shooter, twin stick shooter and action game developed by Rogue Snail and published by Akupara Games. Released on August 18th 2015 has received 6,768 reviews of which 6,309 were positive and 459 were negative resulting in an impressive rating of 9.0 out of 10. The game currently holds the #7 spot among the most played games like Alien Swarm: Reactive Drop.
9.0
6,309
459
2
players
8. SNAKE FARM
Similarity 41% A top-down action roguelike about buying snakes, fighting them, selling their oil, and buying more snakes. Upgrade your weapons, get stronger snakes to fight, and chase down a high score with only ten days to live. SNAKE FARM is a action roguelike, bullet hell and top-down shooter game developed and published by HEATHER FLOWERS. Released on September 05th 2023 has received 396 reviews of which 381 were positive and 15 were negative resulting in a rating of 8.9 out of 10. The game currently holds the #8 spot among the most played games like Alien Swarm: Reactive Drop.
8.9
381
15
2
players
9. Livelock
Similarity 46% Livelock is a co-operative top-down shooter where you play solo or with up to two allies to break the cycle of infinite war between machines. As one of the remaining Capital Intellects, your role is to unlock Eden and revive humanity. Livelock is a action, top-down shooter and co-op game developed by Tuque Games and published by Arc Games. Released on August 30th 2016 has received 841 reviews of which 668 were positive and 173 were negative resulting in a rating of 7.6 out of 10. The game currently holds the #9 spot among the most played games like Alien Swarm: Reactive Drop.
7.6
668
173
10. Solstice Chronicles: MIA
Similarity 44% In this 2-player twin-stick shooter, use a friendly drone for a game-changing abilities. Survive waves, upgrade, and uncover the mystery in this cooperative, action-packed experience. Solstice Chronicles: MIA is a top-down shooter, twin stick shooter and local co-op game developed and published by Ironward. Released on July 26th 2017 has received 310 reviews of which 231 were positive and 79 were negative resulting in a rating of 7.0 out of 10. The game currently holds the #10 spot among the most played games like Alien Swarm: Reactive Drop.
7.0
231
79
Best deals on games like Alien Swarm: Reactive Drop on Steam
Discover fantastic savings with the best discounts on a variety of games like Alien Swarm: Reactive Drop 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: Reactive Drop.
1. From Space
Similarity 43% 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. Featuring a massive 98% discount, this game currently holds the #1 spot in the best deals for games like Alien Swarm: Reactive Drop.
6.6
1,277
607
-98%
14.99€
0.31€
2. Killsquad
Similarity 40% Hack and slash? Check. Twin-stick-shooter? Check. 4 player coop to slay hordes of aliens & bosses with your friends? Check. Skills, upgrades, weapons, gears, talismans and more to make you stronger? Check. Wake up, bounty hunter. We have a mission for you. Time to clean up the scum of the galaxy. Killsquad is a action, hack and slash and top-down shooter game developed and published by Novarama. Released on October 21st 2021 has received 3,492 reviews of which 2,455 were positive and 1,037 were negative resulting in a rating of 6.9 out of 10. Thanks to its incredible 97% discount, this game is now the #2 best deal in games like Alien Swarm: Reactive Drop.
6.9
2,455
1,037
-97%
24.99€
0.97€
3. Orcs Must Die! 3
Similarity 40% Slice, burn, toss, zap, grind and gib massive hordes of repugnant orcs in this long-awaited successor to the award-winning Orcs Must Die! series. Orcs Must Die! 3 is a tower defense, co-op and strategy game developed and published by Robot Entertainment. Released on July 23rd 2021 has received 14,083 reviews of which 12,067 were positive and 2,016 were negative resulting in a rating of 8.4 out of 10. Thanks to its incredible 92% discount, this game is now the #3 best deal in games like Alien Swarm: Reactive Drop.
8.4
12,067
2,016
-92%
24.99€
2.01€
4. Livelock
Similarity 46% Livelock is a co-operative top-down shooter where you play solo or with up to two allies to break the cycle of infinite war between machines. As one of the remaining Capital Intellects, your role is to unlock Eden and revive humanity. Livelock is a action, top-down shooter and co-op game developed by Tuque Games and published by Arc Games. Released on August 30th 2016 has received 841 reviews of which 668 were positive and 173 were negative resulting in a rating of 7.6 out of 10. Currently offered at a significant 91% discount, this title has earned the #4 position in the best deals for games like Alien Swarm: Reactive Drop.
7.6
668
173
-91%
9.99€
0.95€
5. Livelock
Similarity 46% Livelock is a co-operative top-down shooter where you play solo or with up to two allies to break the cycle of infinite war between machines. As one of the remaining Capital Intellects, your role is to unlock Eden and revive humanity. Livelock is a game developed and published by . Released on August 30th 2016 has received 841 reviews of which 668 were positive and 173 were negative resulting in a rating of 7.6 out of 10. Currently offered at a significant 91% discount, this title has earned the #5 position in the best deals for games like Alien Swarm: Reactive Drop.
7.6
668
173
-91%
9.99€
0.95€
6. Orcs Must Die! 3
Similarity 40% Slice, burn, toss, zap, grind and gib massive hordes of repugnant orcs in this long-awaited successor to the award-winning Orcs Must Die! series. Orcs Must Die! 3 is a game developed and published by . Released on July 23rd 2021 has received 14,083 reviews of which 12,067 were positive and 2,016 were negative resulting in a rating of 8.4 out of 10. Currently offered at a significant 92% discount, this title has earned the #6 position in the best deals for games like Alien Swarm: Reactive Drop.
8.4
12,067
2,016
-92%
24.99€
2.01€
7. Cygnus Enterprises
Similarity 43% Action RPG Shooter with Base Management elements, featuring AI NPCs. Take charge of an abandoned outpost, explore a lush alien planet, battle fierce creatures, gather resources, and upgrade your base as you develop your character and bring dozens of distinct weapons to bear. Cygnus Enterprises is a third-person shooter, shoot 'em up and top-down shooter game developed and published by Team Miaozi. Released on December 19th 2023 has received 323 reviews of which 223 were positive and 100 were negative resulting in a rating of 6.6 out of 10. Currently offered at a significant 77% discount, this title has earned the #7 position in the best deals for games like Alien Swarm: Reactive Drop.
6.6
223
100
-77%
20.13€
4.63€
Free games like Alien Swarm: Reactive Drop on Steam
Check out this fantastic list of free-to-play games like Alien Swarm: Reactive Drop 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: Reactive Drop.
1. Relic Hunters Zero: Remix
Similarity 42% Relic Hunters Zero: Remix is a remaster of the FREE 1 million player hit game about blasting evil space ducks and turtles with tiny cute guns. It’s fast, it’s tactical, and feels deliciously smooth to play. Unlock new weapons, characters and relics to defeat the Ducan Commander! Relic Hunters Zero: Remix is a looter shooter, twin stick shooter and action game developed by Rogue Snail and published by Akupara Games. Released on August 18th 2015 has received 6,768 reviews of which 6,309 were positive and 459 were negative resulting in an impressive rating of 9.0 out of 10. The game currently holds the #1 spot among the most played free games like Alien Swarm: Reactive Drop.
9.0
6,309
459
2
players