Most Played Aliens Games on Steam
Take a look at the top aliens games that are currently attracting the largest player bases on the Steam platform, as of October 29th 2025. Want to explore even more aliens titles available on Steam? Explore the complete list of the best aliens games.
Lists & Categories
1. Alien: Isolation
Discover the true meaning of fear in Alien: Isolation, a survival horror set in an atmosphere of constant dread and mortal danger. Alien: Isolation is a game developed and published by . Released on October 06th 2014 has received 60,831 reviews of which 56,716 were positive and 4,115 were negative resulting in an impressive rating of 9.2 out of 10. The game has hit the top spot as the #1 most played aliens game, thanks to its 429 peak concurrent players over the last day.
9.2
56,716
4,115
429
players
2. Aliens: Fireteam Elite
Aliens: Fireteam Elite is a cooperative third-person survival game set in the iconic Alien Universe. Battle through hordes of different types of Xenomorph, customize your character and gear, and level-up as you try to contain this ever-growing threat. Aliens: Fireteam Elite is a game developed and published by . Released on August 23rd 2021 has received 24,731 reviews of which 19,732 were positive and 4,999 were negative resulting in a rating of 7.8 out of 10. While seeing 247 players online at once in the last 24 hours, this game is currently ranked #2 among aliens games based on player count.
7.8
19,732
4,999
247
players
3. Galactic Civilizations III
Build a civilization that will stand the test of time in the largest space-based strategy game ever! Choose from dozens of unique races and make a name for yourself across the galaxy through diplomacy, espionage, technological advances, and more. Galactic Civilizations III is a game developed and published by . Released on May 14th 2015 has received 10,282 reviews of which 7,874 were positive and 2,408 were negative resulting in a rating of 7.5 out of 10. While seeing 139 players online at once in the last 24 hours, this game is currently ranked #3 among aliens games based on player count.
7.5
7,874
2,408
139
players
4. Aliens vs. Predator™
Survive, hunt and prey in the deadly jungles and swamps in distinctly new and thrilling first person gameplay. Aliens vs. Predator™ is a game developed and published by . Released on February 16th 2010 has received 19,953 reviews of which 18,175 were positive and 1,778 were negative resulting in a rating of 8.9 out of 10. The game currently holds the #4 spot among the most played aliens games.
8.9
18,175
1,778
91
players
5. Gatekeeper
Gatekeeper is a fast-paced rogue-like. Go on a quest to chase down Chaos and reclaim the stolen Heart of Time, fighting your way through relentless enemy forces. Play solo or in 4-player co-op and become the next Gatekeeper! Gatekeeper is a game developed and published by . Released on August 01st 2025 has received 1,653 reviews of which 1,409 were positive and 244 were negative resulting in a rating of 8.2 out of 10. The game currently holds the #5 spot among the most played aliens games.
8.2
1,409
244
68
players
6. 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. EARTH DEFENSE FORCE 4.1 The Shadow of New Despair is a game developed and published by . Released on July 18th 2016 has received 10,054 reviews of which 9,554 were positive and 500 were negative resulting in an impressive rating of 9.2 out of 10. The game currently holds the #6 spot among the most played aliens games.
9.2
9,554
500
58
players
7. Crysis 3 Remastered
Experience the single-player experience from the iconic first-person shooter, Crysis 3, optimized to take advantage of today's hardware in Crysis 3 Remastered. Crysis 3 Remastered is a game developed and published by . Released on November 17th 2022 has received 5,793 reviews of which 5,108 were positive and 685 were negative resulting in a rating of 8.5 out of 10. The game currently holds the #7 spot among the most played aliens games.
8.5
5,108
685
58
players
8. X-COM: UFO Defense
You are in control of X-COM: an organization formed by the world's governments to fight the ever-increasing alien menace. X-COM: UFO Defense is a game developed and published by . Released on September 04th 2008 has received 3,799 reviews of which 3,602 were positive and 197 were negative resulting in an impressive rating of 9.1 out of 10. The game currently holds the #8 spot among the most played aliens games.
9.1
3,602
197
42
players
9. Aliens: Colonial Marines Collection
You & your friends are the deadliest killers in the galaxy – the US Colonial Marines. It’s up to you to not just survive, but wipe out the Xeno infestation. Aliens: Colonial Marines Collection is a game developed and published by . Released on May 01st 2012 has received 11,562 reviews of which 7,064 were positive and 4,498 were negative resulting in a rating of 6.0 out of 10. The game currently holds the #9 spot among the most played aliens games.
6.0
7,064
4,498
34
players
10. Destroy All Humans! 2 - Reprobed
Crypto is back with a license to probe. The alien invader returns, groovier than ever. Experience the swinging ‘60s in all its chemical-induced glory and take revenge on the KGB for blowing up your mothership. You’ll have to form alliances with members of the very species you came to enslave. Destroy All Humans! 2 - Reprobed is a game developed and published by . Released on August 30th 2022 has received 2,747 reviews of which 2,135 were positive and 612 were negative resulting in a rating of 7.5 out of 10. The game currently holds the #10 spot among the most played aliens games.
7.5
2,135
612
21
players
More Aliens & Related Games
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