Best Aliens games on Steam
Unlike generic lists, our strategy game recommendations use a rigorous analysis of Steam user reviews to identify and feature only the best, community-validated aliens games. For those who prefer not to search, lists of the most played, top deals and best free aliens games are available at the bottom of the page.
Filters & Lists
Viscerafest
Viscerafest is a Sci-Fi Fantasy Singleplayer Arena FPS with minor Collectathon elements. Fight through hordes of aliens and eldritch monstrosities wielding a slew of powerful weapons, juggling your resources, and exploring over 23 intricately designed hand-crafted levels.
Exogate Initiative
Build and manage mankind’s first mission across the universe! Create a sprawling facility underground, recruit a diverse group of specialists from around the globe and explore mysterious new worlds through the Exogate.
Alien: Rogue Incursion
Alien: Rogue Incursion is an all-new action-horror VR game that transforms you into ex-Colonial Marine Zula Hendricks on a dangerous mission to the uncharted planet Purdan, featuring innovative real-life motion gameplay, a whole-body loadout, and the most cunning Xenomorphs ever encountered.
The Thing: Remastered
The Thing: Remastered is a faithful restoration of the cult-classic 2002 third-person survival horror shooter game inspired by Universal Pictures’ genre-defining 1982 film, The Thing
Uncle Chop's Rocket Shop
Come on down to Uncle Chop’s Rocket Shop, for all your roguelite spaceship repair simulation needs! WARNING: Untested genre not suitable for people with tentacles for arms or an aversion to dying horrifically. Side effects include improved reading comprehension under pressure and a furry fetish.![420BLAZEIT 2: GAME OF THE YEAR -=Dank Dreams and Goated Memes=- [#wow/11 Like and Subscribe] Poggerz Edition](https://shared.cloudflare.steamstatic.com/store_item_assets/steam/apps/2624280/e807156b174217e203000946881ca014ac2f8a9a/header_alt_assets_0.jpg)
420BLAZEIT 2: GAME OF THE YEAR -=Dank Dreams and Goated Memes=- [#wow/11 Like and Subscribe] Poggerz Edition
Prepare yourself for the long awaited sequel. You will blaze it. You will no scope. You will see some weird af s*** as you fight and xD in 999fps to destroy the Illuminati and rescue the memes. Are you ready for 420BLAZEIT 2????!!1
Nuclear Nightmare
Venture forth as part of a specialized team of fellow players tasked with retrieving classified materials, evading the black goo virus, and the nightmarish entities it has spawned. With time running out before the US government initiates a devastating nuclear strike to contain the spreading menace.
A Quiet Place: The Road Ahead
A Quiet Place: The Road Ahead is a single-player horror adventure game inspired by the critically acclaimed blockbuster movie franchise. Survive in silence.
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!
Finn Dorset's Institute For Livestock Replication
An animated incremental game about cloning livestock. Make as many moon sheep as you can. Research technology, upgrade your operation and become a clone farm billionaire!
Machinika: Atlas
Machinika: Atlas is an indie puzzle game and is the direct sequel to Machinika: Museum, you play as a museum researcher who just land on Atlas. Will you unravel the mysteries of the alien vessel? Solve cryptic puzzles to find out what happened!
Drill Core
Corporate greed meets strategic planet-mining in Drill Core! Drill to the heart of planets while managing workers, researching cutting-edge tech, and fortifying against alien attacks. Will you prioritize efficiency and risk your workers' safety, or focus on defense for survival?
Starcom: Unknown Space
Starcom: Unknown Space is an action RPG of space exploration and adventure. Build your own starship while discovering an epic story in a universe of strange mysteries, alien factions and uncharted worlds.
Super Sus
Welcome to join the multiplayer social deduction game - Super Sus! Engage in intense gameplay with global players, as you strategize to safeguard your spaceship from the cunning Impostors determined to sabotage the mission and eliminate everyone aboard!
No Creeps Were Harmed TD
Employ lethal turrets, traps, and gadgets to defend against an onslaught of evolving creeps! Step into a twisted, hyper 3D, mind bending realm. Upgrade and adapt your defenses. Become a master maze crafter. Collect bizarre artifacts. Rush creeps for lucrative rewards, and succumb to greed!
100 Aliens Cats
👽🛸 100 Aliens Cats - 🐾 Join the cutest adventure in the Aliens themed locations full of cats! Explore the charming hand-drawn artwork of aliens places and Cats as you embark on a quest to find 100 adorable cats hidden throughout the game. 🕵️♂️❌ Can you find them all? 🕵️♂️🐈✅
Bring Me that Shawarma
A visual novel about shawarma, consisting of multiple episodes.
RIPOUT
Ripout is an online Co-Op horror FPS that will have players fight their way through procedurally generated derelict ships filled with mutants capable of reconfiguring their alien bodies. Survive with your trusty Pet Gun companion, collect loot, and customize your character to fit your playstyle.
Stellar Initiative
Stellar Initiative is a roguelike tower defense game where you land on the planet and use your orbit ship to deliver buildings and support you with fire. Complete missions, install new upgrades, discover powerful artifacts, and find the best strategy!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 April 15th 2025.
1. 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 action, fps and shooter game developed by Crytek and Saber Interactive and published by Crytek. Released on November 17th 2022 has received 5,440 reviews of which 4,802 were positive and 638 were negative resulting in a rating of 8.5 out of 10. The game has hit the top spot as the #1 most played aliens game, thanks to its 344 peak concurrent players over the last day.
8.5
4,802
638
344
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 co-op, shooter and aliens game developed by Cold Iron Studios and published by Cold Iron Studios and Focus Entertainment. Released on August 23rd 2021 has received 24,049 reviews of which 19,214 were positive and 4,835 were negative resulting in a rating of 7.9 out of 10. While seeing 239 players online at once in the last 24 hours, this game is currently ranked #2 among aliens games based on player count.
7.9
19,214
4,835
239
players
3. 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 horror, survival horror and sci-fi game developed by Creative Assembly and Feral Interactive (Linux) and published by Feral interactive (Mac), Feral Interactive (Linux) and SEGA. Released on October 06th 2014 has received 60,046 reviews of which 55,969 were positive and 4,077 were negative resulting in an impressive rating of 9.2 out of 10. While seeing 229 players online at once in the last 24 hours, this game is currently ranked #3 among aliens games based on player count.
9.2
55,969
4,077
229
players
4. 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 action, third-person shooter and co-op game developed by SANDLOT and published by D3PUBLISHER. Released on July 18th 2016 has received 9,987 reviews of which 9,488 were positive and 499 were negative resulting in an impressive rating of 9.2 out of 10. With 168 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played aliens games.
9.2
9,488
499
168
players
5. 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 aliens, sci-fi and 4x game developed and published by Stardock Entertainment. Released on May 14th 2015 has received 10,269 reviews of which 7,867 were positive and 2,402 were negative resulting in a rating of 7.5 out of 10. With 118 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played aliens games.
7.5
7,867
2,402
118
players
6. 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 action, fps and aliens game developed by Rebellion and published by SEGA. Released on February 16th 2010 has received 19,673 reviews of which 17,899 were positive and 1,774 were negative resulting in a rating of 8.9 out of 10. The game currently holds the #6 spot among the most played aliens games.
8.9
17,899
1,774
92
players
7. 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 strategy, classic and turn-based strategy game developed by MicroProse Software and Inc and published by 2K. Released on September 04th 2008 has received 3,767 reviews of which 3,571 were positive and 196 were negative resulting in an impressive rating of 9.1 out of 10. The game currently holds the #7 spot among the most played aliens games.
9.1
3,571
196
58
players
8. Gatekeeper
Gatekeeper is a fast-paced rogue-like. Go on a quest to find the stolen Heart of the Universe and shoot your way through the hordes of machine enemies guarding the planetary gates. Play solo or in 4 people co-op and become the next Guardian! Gatekeeper is a early access, online co-op and action roguelike game developed by Gravity Lagoon and published by HypeTrain Digital. Released on May 13th 2024 has received 1,585 reviews of which 1,352 were positive and 233 were negative resulting in a rating of 8.2 out of 10. The game currently holds the #8 spot among the most played aliens games.
8.2
1,352
233
46
players
9. Alien Shooter 2: Reloaded
This is the unique alloy of arcade action and RPG elements which combines well-established world of classical games and unmatched dynamics of the first part. Alien Shooter 2: Reloaded is a aliens, looter shooter and shoot 'em up game developed and published by Sigma Team Inc.. Released on May 27th 2009 has received 3,253 reviews of which 2,983 were positive and 270 were negative resulting in a rating of 8.8 out of 10. The game currently holds the #9 spot among the most played aliens games.
8.8
2,983
270
40
players
10. Duke Nukem Forever
The King arrives with an arsenal of over-the-top weapons, giant explosions and pure unadulterated fun! Duke Nukem Forever is a fps and action game developed by Gearbox Software and published by 2K. Released on June 09th 2011 has received 10,897 reviews of which 7,517 were positive and 3,380 were negative resulting in a rating of 6.8 out of 10. The game currently holds the #10 spot among the most played aliens games.
6.8
7,517
3,380
39
players
Best deals on aliens games on Steam
Discover fantastic savings with the best discounts on a variety of aliens games available on Steam right now, updated on April 15th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted aliens games.
1. Destroy All Humans!
The cult-classic returns! Terrorize the people of 1950's Earth in the role of the evil alien Crypto-137. Harvest their DNA and bring down the US government in the faithful remake of the legendary alien invasion action adventure. Annihilate puny humans using an assortment of alien weaponry and psychic abilities. Destroy All Humans! is a action, adventure and villain protagonist game developed by Black Forest Games and Pandemic Studios and published by THQ Nordic. Released on July 28th 2020 has received 10,772 reviews of which 9,950 were positive and 822 were negative resulting in a rating of 9.0 out of 10. Featuring a massive 90% discount, this game currently holds the #1 spot in the best deals for aliens category.
9.0
9,950
822
-90%
30.90€
3.09€
2. 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. Alien Breed 2: Assault is a action, shooter and aliens game developed and published by Team17 Digital Ltd. Released on September 22nd 2010 has received 1,002 reviews of which 698 were positive and 304 were negative resulting in a rating of 6.7 out of 10. Thanks to its incredible 90% discount, this game is now the #2 best deal in aliens games.
6.7
698
304
-90%
9.99€
0.99€
3. Alien Breed 3: Descent
Experience the final explosive chapter in the Alien Breed series and uncover the horrifying truth surrounding the existence of the Breed. Launch discount good thru Nov. 24 10am PST. Alien Breed 3: Descent is a action, shooter and isometric game developed and published by Team17 Digital Ltd. Released on November 17th 2010 has received 573 reviews of which 427 were positive and 146 were negative resulting in a rating of 7.1 out of 10. Thanks to its incredible 88% discount, this game is now the #3 best deal in aliens games.
7.1
427
146
-88%
10.00€
1.20€
4. 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 horror, survival horror and sci-fi game developed by Creative Assembly and Feral Interactive (Linux) and published by Feral interactive (Mac), Feral Interactive (Linux) and SEGA. Released on October 06th 2014 has received 60,046 reviews of which 55,969 were positive and 4,077 were negative resulting in an impressive rating of 9.2 out of 10. Currently offered at a significant 87% discount, this title has earned the #4 position in the best deals for aliens games.
9.2
55,969
4,077
-87%
40.08€
5.21€
5. Shadowgrounds
Shadowgrounds breathes fresh air into the action genre with explosive combat sequences, an innovative weapon upgrade system, and an intriguing storyline. The adrenaline-pumping, top-down gameplay and audiovisual fireworks set the scene for this new action experience which also includes single computer (split keyboard or joystick) co-op... Shadowgrounds is a top-down shooter, sci-fi and aliens game developed and published by Frozenbyte. Released on May 08th 2006 has received 1,555 reviews of which 1,266 were positive and 289 were negative resulting in a rating of 7.8 out of 10. Currently offered at a significant 80% discount, this title has earned the #5 position in the best deals for aliens games.
7.8
1,266
289
-80%
5.00€
1.00€
6. 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 action, fps and shooter game developed by Crytek and Saber Interactive and published by Crytek. Released on November 17th 2022 has received 5,440 reviews of which 4,802 were positive and 638 were negative resulting in a rating of 8.5 out of 10. Currently offered at a significant 79% discount, this title has earned the #6 position in the best deals for aliens games.
8.5
4,802
638
-79%
30.38€
6.38€
7. 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 strategy, classic and turn-based strategy game developed by MicroProse Software and Inc and published by 2K. Released on September 04th 2008 has received 3,767 reviews of which 3,571 were positive and 196 were negative resulting in an impressive rating of 9.1 out of 10. Currently offered at a significant 75% discount, this title has earned the #7 position in the best deals for aliens games.
9.1
3,571
196
-75%
4.99€
1.24€
8. X-COM: Apocalypse
There's something evil in the city tonight... Earth has been ravaged by human excess, petty conflict and alien invasion. The world's population has been herded into huge cities, the first of which was Mega Primus. 2084: A Utopia shattered, social collapse and civil unrest reigns in Mega Primus. Fiendish aliens terrorize the city. X-COM: Apocalypse is a strategy, turn-based and tactical game developed by MicroProse Software and Inc and published by 2K. Released on September 04th 2008 has received 888 reviews of which 783 were positive and 105 were negative resulting in a rating of 8.3 out of 10. Currently offered at a significant 75% discount, this title has earned the #8 position in the best deals for aliens games.
8.3
783
105
-75%
4.99€
1.24€
9. 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 action, third-person shooter and co-op game developed by SANDLOT and published by D3PUBLISHER. Released on July 18th 2016 has received 9,987 reviews of which 9,488 were positive and 499 were negative resulting in an impressive rating of 9.2 out of 10. Currently offered at a significant 73% discount, this title has earned the #9 position in the best deals for aliens games.
9.2
9,488
499
-73%
16.52€
4.46€
10. Gatekeeper
Gatekeeper is a fast-paced rogue-like. Go on a quest to find the stolen Heart of the Universe and shoot your way through the hordes of machine enemies guarding the planetary gates. Play solo or in 4 people co-op and become the next Guardian! Gatekeeper is a early access, online co-op and action roguelike game developed by Gravity Lagoon and published by HypeTrain Digital. Released on May 13th 2024 has received 1,585 reviews of which 1,352 were positive and 233 were negative resulting in a rating of 8.2 out of 10. Currently offered at a significant 57% discount, this title has earned the #10 position in the best deals for aliens games.
8.2
1,352
233
-57%
15.02€
6.46€
Free aliens games on Steam
Check out this fantastic list of free-to-play aliens games you can enjoy on Steam right now, updated on April 15th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play aliens games.
1. 100 Aliens Cats
👽🛸 100 Aliens Cats - 🐾 Join the cutest adventure in the Aliens themed locations full of cats! Explore the charming hand-drawn artwork of aliens places and Cats as you embark on a quest to find 100 adorable cats hidden throughout the game. 🕵️♂️❌ Can you find them all? 🕵️♂️🐈✅ 100 Aliens Cats is a free to play, cats and aliens game developed and published by 100 Cozy Games. Released on June 09th 2024 has received 1,579 reviews of which 1,505 were positive and 74 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 aliens games on Steam.
9.0
1,505
74
10
players
2. Void Whispers
Assume the role of a broadcast engineer in a tranquil city. All seems peaceful until the sky above starts to reveal something deeply unsettling. Void Whispers is a free to play, horror and psychological horror game developed and published by Eduardo Scarpato. Released on April 06th 2024 has received 364 reviews of which 339 were positive and 25 were negative resulting in a rating of 8.6 out of 10. The game currently holds the #2 spot among the most played free aliens games on Steam.
8.6
339
25
3. Alien Removal Division
The invasion has started and the secret military research facility has fallen leaving only chaos. As the only survivor, you must fight your way through the military base against a horde of frantic aliens. A.R.D. is a FREE single-player first-person shooter made by students from Breda University. Alien Removal Division is a parkour, fps and action game developed by Enchanted Bean Studios and published by Breda University of Applied Sciences. Released on June 17th 2022 has received 1,056 reviews of which 932 were positive and 124 were negative resulting in a rating of 8.4 out of 10. The game currently holds the #3 spot among the most played free aliens games on Steam.
8.4
932
124