- #1 Bounty
97% matchMixed63% of 19 reviews2022
Dev: Cupine Army
Windows
A sci-fi first-person shooter with a dynamic deployable cover system. A demo level from our game Bounty.
Why similar: FPS 40.9%, Action 15.6%, Sci-fi 15.5%, Shooter 12%, First-Person 4%
- #2 Alien Rage - Unlimited
96% matchMixed68% of 3,535 reviews2013
Dev: CI Games
Windows
Median: 1.1 hrsMean: 9.1 hrs≥1hr: 51%
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!
Why similar: FPS 32.4%, Action 18.3%, Aliens 15.9%, Shooter 14.7%, Sci-fi 12%
- #3 Viral
96% matchMixed60% of 15 reviews2023
Dev: Jitterware
Windows
Stylized sci-fi FPS shooter
Why similar: FPS 39.1%, Action 14.8%, Shooter 13.6%, Sci-fi 10.4%, Action-Adventure 7.8%
- #4 High On Life 2
94% matchMostly Positive71% of 2,060 reviews2026
Dev: Squanch Games, Inc.
Windows
Median: 8.6 hrsMean: 13.5 hrs≥1hr: 87%
An intergalactic conspiracy threatens the fate of humanity! Team up with a wide cast of talking alien guns as you shoot, stab, and skate your way through the exotic locales to take down the bad guys and save your favorite species (humans)!
Why similar: FPS 28.6%, Aliens 16.4%, Sci-fi 10.3%, Action 9.7%, Shooter 8.9%
- #5 Invasion Resistance 2
95% match6 user reviews100% of 6 reviews2020
Dev: Ali Soltanian Fard JahromiPub: Soltanian Games
Windows
A PC first-person shooter game with a short single-player campaign containing 13 maps and several cut-scenes.
Why similar: FPS 24.3%, Aliens 16.4%, Action 14.3%, Shooter 10.3%, Adventure 8.7%
- #6 CACTUS
94% matchNo user reviews
Dev: Axon Flux
Windows
Be the cactus, become the legend! Master foes, evade traps, and uncover artifacts as a spiky hero in this unique indie FPS, blending classic elements with quirky new ideas.
Why similar: FPS 27.8%, Shooter 10.7%, Sci-fi 9%, Action 8.9%, Physics 8.2%
- #7 Necrotic Nightmare
93% matchNo user reviews
Dev: Ravenous Studios
Windows
Nightmare has descended on the starship Starfarer ETOS-1. Battle the hoards, defend the crew, resist the infection and uncover the truth in this first-person Sci-Fi horror shooter, harnessing powers, upgrading weapons, and battling to survive. The voices are calling you. Will you listen?
Why similar: FPS 26.6%, Aliens 17.4%, Action 15%, Shooter 11.5%, Action-Adventure 9%
- #8 Killing Bullet
92% match2 user reviews100% of 2 reviews2023
Dev: 逍遥_yw
Windows
You need to survive every round of enemy attacks, kill enemies to get rewards, buy props or extract stronger weapons to deal with stronger enemies, until you kill the last enemy. Enjoy the thrill of battle.
Why similar: FPS 35%, Shooter 12.3%, Aliens 11%, Action 10.1%, Sci-fi 8.3%
- #9 NBF0
91% match2 user reviews100% of 2 reviews2025
Dev: Desafortunados Games
Windows · Linux
A simple, fun, FPS where you must advance through waves of evil robots. Use your energy weapons to fight them and escape to freedom!
Why similar: FPS 36.4%, Action 20.4%, Sci-fi 17.1%, Shooter 15.8%, First-Person 6.6%
- #10 What makes us human
91% matchNo user reviews2025
Dev: Ancelin
Windows · Linux
What makes us human is an action-oriented FPS. Repel waves of aliens with a wide arsenal in arcade mode. Through the storyline, discover the story of the one nicknamed "the Lizard."
Why similar: FPS 33.6%, Sci-fi 15.5%, Action 13.2%, Aliens 12.6%, Shooter 7.1%
- #11 Dreg Cannon
90% matchNo user reviews
Dev: Team RAEPub: Extinction Studios
Windows
Rise up and help save New Vega from the Techno-mages!
Why similar: FPS 37.1%, Sci-fi 19.5%, Action 12.2%, Action-Adventure 9.3%, Adventure 7.9%
- #12 Half-Life: Blue Shift
89% 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 47.1%, Aliens 15.9%, Sci-fi 13%, Action 9.1%, Shooter 7.5%
- #13 Apocalyptic Gash
89% matchNo user reviews
Dev: Hasian Games
Windows · Mac · Linux
You are the only person on Earth who is capable of defeating aliens, and the entire world is in hiding in despair. Play as half-alien half-human Tyler in this open-world stylized alien shooter game, and fight terrifying spiders and other alienated creatures. It is up to you to stop this apocalypse.
Why similar: FPS 23.5%, Aliens 18.1%, Physics 11.3%, Shooter 8.9%, Sci-fi 8%
- #14 The Warp - Cephisso
88% matchNo user reviews
Dev: XistPub: Infinite Form
Windows
Descend into the infested corridors of the Cephisso in this dark, atmospheric VR sci‑fi shooter. Wield the heavy JDE bolt‑action, load every round by hand—and feel the tension in each silent chamber. Find the survivor. Unravel the ship’s horror. Survive The Warp.
Why similar: FPS 20.2%, Sci-fi 20%, Aliens 16%, Action 13.3%, Shooter 9.8%
- #15 Kill Cast
87% matchNo user reviews2026
Dev: CGBYLG
Windows
Born from classic arcade top down shooters like Smash TV and 80’s action thriller The Running Man! Welcome to Kill Cast Show! An FPS endless shooter where you must survive endless wave of mutants. It's the gameshow of the future where contestants fight for survival.
Why similar: FPS 29.2%, Aliens 18.9%, Action 15.4%, Shooter 12.6%, Sci-fi 9.9%
- #16 Human Diaspora
86% matchMixed62% of 21 reviews2022
Dev: Leocesar3D Productions
Windows · Linux
Human Diaspora is a Retro First-Person Shooter where you fight your way to save the remnants of your family and find what is happening on the post-human colony planet. Take action against small and big enemies. Are you up to the challenge and save humanity?
Why similar: FPS 35.5%, Action 19.1%, Sci-fi 16.9%, Shooter 15.4%, Combat 4.9%
- #17 Adrian's Quest
85% matchNo user reviews
Dev: Digital Waste Factory
Windows
Adrian's Quest is a single-player VR action-adventure game filled with physics-based puzzles and bizarre gunfights, set on a dusty, run-down alien planet home to strange creatures and a declining population.
Why similar: FPS 22.4%, Action 15.9%, Aliens 12.6%, Shooter 10.7%, Adventure 9.8%
- #18 Gastro Force
84% matchMostly Positive76% of 21 reviews2023
Dev: SomepxPub: Ratalaika Games S.L.
Windows
The player takes the role of the last soldier of the highly specialized "Gastro Force", elite troopers trained to infiltrate the enormous alien guts to fight them from the inside!
Why similar: FPS 34.9%, Aliens 21.8%, Sci-fi 10.6%, Action 10.3%, Shooter 6%
- #19 Stellar Valkyrie
83% matchNo user reviews
Dev: In The Keep GamesPub: In The Keep
Windows · Mac · Linux
Space bounty hunter Falco must explore the solar system in search of his ex-girlfriend and destroy the Black Star cult. Collect bounties, upgrade your equipment, explore planets, crack wise & fight aliens in this GZDoom-powered Retro-FPS adventure.
Why similar: FPS 30.2%, Aliens 15.7%, Sci-fi 11.7%, Shooter 11.5%, Action 8.6%
- #20 Osiris
82% matchNo user reviews
Dev: Hoolio Enterprises
Windows
In a world of peace and tranquility, the fight of Bloxburg vs Cubeton turns violent! A brave adventurer goes on a long journey through the world of Bloxville to fight for the return to peace and tranquility.
Why similar: FPS 31.2%, Shooter 13.8%, Action 12.4%, Colorful 8.4%, Action-Adventure 7.5%
- #21 Alien Boom Boom
80% matchNo user reviews
Dev: David Vallieres
Windows
In Alien Boom Boom you will send your enemies flying utilizing a powerful arsenal of weapons and upgrades. The game features a fully voiced story campaign, several distinct levels, several enemies, bosses and frequent player/weapon upgrades that are customizable at the start of each level.
Why similar: FPS 32.9%, Aliens 17.7%, Shooter 12.2%, Sci-fi 11.7%, Action 7.4%
- #22 Alpha Prime
81% matchMixed56% of 1,505 reviews2007
Dev: Black ElementPub: Bohemia Interactive
Windows
Median: 42 minMean: 25.3 hrs≥1hr: 44%
Somewhere in deep space, at an apparently abandoned mining base on the asteriod Alpha Prime, something has gone terribly wrong. Miners were warned that the hubbardium they were mining was too dangerous, but the lure of unimaginable wealth was too strong.
Why similar: FPS 48.6%, Action 17.3%, Sci-fi 16.8%, Shooter 11.6%, First-Person 3.8%
- #23 Astralis
81% match2 user reviews100% of 2 reviews2021
Dev: Vizek
Windows
Priviet to Astralis ! In this short game, you play as Lieutenant Alekseï Ivanov, a soldier awaken from his cryo-sleep to face a terrible threat happening in the soviet spaceship "Astralis" lost in an unkown part of the universe. Astralis is FPS horror sci-fi game with retro graphics and sounds.
Why similar: FPS 44.4%, Sci-fi 21.8%, Action 14.8%, Shooter 9.1%, First-Person 6.2%
- #24 NEURO
78% matchMixed47% of 34 reviews2024
Dev: Revolt GamesPub: Strategy First
Windows
NEURO is a narrative first-person shooter in a cyberpunk setting. The action is taking place in the future, in the 4th century of the Space Era, which starts after humans invent a hyperspace engine.
Why similar: FPS 36.2%, Aliens 16.4%, Action 13.6%, Shooter 11.8%, Sci-fi 11.6%
- #25 Crysis 2 - Maximum Edition
79% matchVery Positive85% of 13,767 reviews2011
Dev: Crytek StudiosPub: Electronic Arts
Windows
Median: 3.0 hrsMean: 10.8 hrs≥1hr: 73%
Aliens are decimating New York City, only you have the technology to survive. Be The Weapon.
Why similar: FPS 40.1%, Aliens 15.6%, Sci-fi 15.3%, Action 12.5%, Shooter 9.6%
- #26 Alien Destroyer
78% matchMixed48% of 27 reviews2021
Dev: RandomSpin
Windows
Alien robots are attacking.
Why similar: FPS 38.3%, Action 20.6%, Sci-fi 17.6%, Shooter 16.2%, 3D 4.9%
- #27 Prime Directive
77% match4 user reviews75% of 4 reviews2023
Dev: Jonathan StofferPub: KittySoft Studios
Windows
Prime Directive is a first person 3D action-adventure shooter in which players control Marty, a small but brave robot. Marty acquires unique abilities to fight enemies and solve puzzles while exploring a mysterious alien world.
Why similar: FPS 20.1%, Aliens 16.3%, Physics 14.4%, Sci-fi 10%, Shooter 7.3%
- #28 Island of the Dead
77% match1 user reviews0% of 1 reviews2023
Dev: Ali KhanPub: Usman Ahmad Khan
Windows
Island of the Dead is a video game where you, the player, are stuck on an island full of zombies, to win, you must kill them all.
Why similar: FPS 35.1%, Action 18.9%, Action-Adventure 11.1%, Shooter 8.9%, Adventure 7.2%
- #29 Alcyone
76% matchMixed55% of 33 reviews2022
Dev: Yann GEFFROTIN
Windows
Alcyone is a Science Fiction 3D First Person Shooter (FPS) Video Game set in an Open World mid-crisis New York City (NYC) that can be freely explored by the players.
Why similar: FPS 37.3%, Action 20.4%, Sci-fi 17.1%, Shooter 16.1%, First-Person 6.8%
- #30 Salyut π
76% match1 user reviews100% of 1 reviews2021
Dev: Waleles
Windows
Salyut π is a FIRST PERSON SHOOTER, with a great ATMOSPHERE. This game this game is set in a futuristic base, all this with great GRAPHICS.
Why similar: FPS 23.9%, Action 21.3%, Sci-fi 19.7%, Shooter 16.5%, First-Person 7.5%
- #31 Pls Kill it.
75% matchMixed68% of 63 reviews2022
Dev: XinPub: Owner
Windows
Use your FPS expertise and beat it!! The enemy AI in the game will follow the player's behavior and try to surpass you; please do your best to defeat it, it may perform beyond your expectations, and the rest will surpass you!
Why similar: FPS 37.5%, Shooter 17.2%, Physics 13%, Action 12.6%, First-Person 6.7%
- #32 Mech Hunter
75% matchNo user reviews
Dev: Blackflare StudioPub: GameHunters
Windows
In a world dominated by machines, mankind has lost hope for the future. You are a machine hunter. Your task is to recover and use the lost technology to save the human race. Track, hunt and build shelter in this extremely hostile world.
Why similar: FPS 41.4%, Sci-fi 22.3%, Action 12.3%, Shooter 10.1%, Adventure 6.2%
- #33 Turok 3: Shadow of Oblivion Remastered
73% matchVery Positive85% of 637 reviews2023
Dev: Nightdive Studios
Windows
Median: 2.9 hrsMean: 6.0 hrs≥1hr: 63%
Finish the hunt in this epic finale to the Turok Trilogy. Pick up immediately after the events of Turok 2: Seeds of Evil, with dual protagonists Joseph and Danielle Fireseed, of the Turok family tree, as they battle the titular antagonist Oblivion and its followers, the Flesh Eaters.
Why similar: FPS 31.8%, Aliens 16.9%, Action 14.3%, Shooter 11.3%, Adventure 8.5%
- #34 Quiet Office Floors
74% matchNo user reviews2025
Dev: Andri Stefanus Games
Windows
FPS game going home from work, crafting to conceal yourself so you don't get caught, walk silently so you don't get busted, Quiet Office Floors is a game that challange your patience, but is the workplace is the only game level? No. you will walk through forest, cemetery, mine and sewer to get home
Why similar: FPS 26.7%, Action 15.7%, Shooter 11.5%, Adventure 9.7%, Sci-fi 9.5%
- #35 Aliens vs. Ghosts
73% matchVery Positive90% of 555 reviews2022
Dev: Sayan
Windows
Use Nukes, Electricity, Heat Rays and powerful Minions in this wave-based first person shooter providing endless hours of Ghost-slaying entertainment, solo or Co-Op. Only Ghosts stand in the way of your invasion of Earth.
Why similar: FPS 31%, Action 15.1%, Aliens 13.4%, Shooter 13.2%, Sci-fi 12.2%
- #36 Mind Space
74% match2 user reviews100% of 2 reviews2021
Dev: Quantum Drop Studio
Windows
FPS with rpg elements. Made by one solo indie game developer.
Why similar: Aliens 24.8%, FPS 20.2%, Action 14%, Shooter 13.2%, Sci-fi 12.2%
- #37 Phantom Void
73% matchNo user reviews
Dev: Tektonic Interactive
Windows
Possess enemies, steal their powers, and shape your evolution in a cinematic sci-fi horror set in a collapsing dystopian world. Build your strength through a deep skill tree and physics-based combat.
Why similar: FPS 38.8%, Sci-fi 16.4%, Action 14.7%, Physics 13.9%, First-Person 6.7%
- #38 Bash The Party
72% matchPositive92% of 26 reviews2022
Dev: Ata Oz
Windows · Mac
Bash The Party is a fast-paced Wick-esque FPS game set in a futuristic cyberpunk environment. Use different pistols, carbines and rifles to fight with your enemies. You must be fast and precise to move through this cinematic game.
Why similar: FPS 33.1%, Shooter 13.7%, Sci-fi 13.1%, Action 11.5%, Adventure 7.2%
- #39 SPACE DUDES vs ALIEN DUDES
72% match4 user reviews100% of 4 reviews2022
Dev: Archor WrightPub: Archor Games
Windows
SPACE DUDES vs ALIEN DUDES - Alien Dudes are attacking the Base, It's up to the Space Dudes to Stop Them ! Play Across Many Maps and Game Modes to Win the Day !
Why similar: FPS 34.8%, Aliens 26.6%, Shooter 15.1%, Action 13.4%, First-Person 6.3%
- #40 Cosmic
71% matchNo user reviews
Dev: Editorial Entertainment
Windows
Descend into ancient alien tombs to find artifacts from a long lost civilization in the hopes of one day striking it rich. Cosmic is an FPS that takes the best of the 90s and 2000s shooters and puts it into one game.
Why similar: FPS 28.5%, Action 16.1%, Aliens 15.9%, Adventure 9.9%, Action-Adventure 9%
- #41 Sophonce
69% matchPositive91% of 22 reviews2025
Dev: Sameer Hirezi
Windows
Sophonce is a science fiction action horror first-person shooter that relies on philosophical undertones as the primary focus of the plot.
Why similar: FPS 35.2%, Action 19.2%, Sci-fi 16.1%, Shooter 14.9%, First-Person 6.2%
- #42 Crysis Warhead®
71% matchVery Positive86% of 4,019 reviews2008
Dev: CrytekPub: Electronic Arts
Windows
Median: 2.5 hrsMean: 6.7 hrs≥1hr: 63%
Pulse-racing new installment from 2007's PC Game of the Year*: Play as Sergeant Sykes and experience a whole new side of the battle. A standard combat mission behind enemy lines becomes critical when you discover your enemies have captured something of vital importance to the ensuing war.
Why similar: FPS 40.8%, Aliens 15.9%, Sci-fi 14.3%, Action 12.1%, Shooter 9.1%
- #43 Half-Life 2: Deathmatch
70% 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 41.6%, Action 22.5%, Physics 12.4%, Sci-fi 9.3%, Shooter 9.1%
- #44 Half-Life: Opposing Force
70% 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 57.8%, Aliens 12.4%, Sci-fi 10.1%, Action 6.9%, Shooter 6.4%
- #45 SLENDYJAN
69% matchNo user reviews
Dev: TurrerPub: We are not machines
Windows
Slendyjan takes place on a planet devastated by a war that has been consuming all the races that inhabit it for years. The player controls Jan, an exceptionally powerful mercenary who fights on the side of the Nuggets, an advanced civilization from an unknown planet.
Why similar: FPS 41.5%, Shooter 12.2%, Action 11.9%, Sci-fi 10.5%, First-Person 6.6%
- #46 Duke Nukem Forever
70% matchMixed69% of 11,419 reviews2011
Dev: Gearbox SoftwarePub: 2K
Windows · Mac
Median: 3.5 hrsMean: 15.3 hrs≥1hr: 77%
The King arrives with an arsenal of over-the-top weapons, giant explosions and pure unadulterated fun!
Why similar: FPS 44.1%, Aliens 19.2%, Action 11.8%, Sci-fi 8.9%, Shooter 8.7%
- #47 Aliens: Colonial Marines Collection
69% matchMixed62% of 11,947 reviews2012
Dev: Gearbox SoftwarePub: SEGA
Windows
Median: 5.2 hrsMean: 15.5 hrs≥1hr: 77%
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.
Why similar: FPS 33.1%, Aliens 28.9%, Sci-fi 13.3%, Action 12.6%, Shooter 8.8%
- #48 ROG CITADEL XV
68% matchMixed68% of 638 reviews2021
Dev: ASUS GLOBAL PTE. LTD
Windows
ROG Citadel XV is a single-player, free to play FPS, combined with cutting-edge ROG product display. Dive into the new chapter to experience the story and challenges in this flying fortress.
Why similar: FPS 27.8%, Action 18.2%, Shooter 12%, Sci-fi 11.4%, Adventure 11.2%
- #49 Alien Deathstorm
67% matchNo user reviews
Dev: Rebellion
Windows
Explore a devastated off-world colony that is ravaged by a cataclysmic mega-storm and overrun by bloodthirsty aliens in a desperate fight to survive.
Why similar: FPS 30.9%, Action 18.7%, Aliens 16.8%, Adventure 11.3%, Action-Adventure 9.8%
- #50 All Hit All Her
68% matchMostly Positive70% of 10 reviews2021
Dev: ismail ozel
Windows
This game invites you to an action-packed adventure. What could you sacrifice to save a military base captured by aliens from aliens?
Why similar: FPS 28.6%, Sci-fi 14.7%, Shooter 10.7%, Action 9.3%, Aliens 8.8%
- #51 Rat Hunter
66% matchVery Positive80% of 71 reviews2024
Dev: Secret SignPub: Strategy First
Windows
Rat Hunter features traditional, by-the-book gameplay, which does not wander into the realm of tactical shooters. Players will have to overcome different obstacles and solve various puzzles in order to get to the next level.
Why similar: FPS 30.5%, Aliens 17.3%, Action 15.4%, Shooter 12.8%, Adventure 11.2%
- #52 Action Alien
68% matchMixed56% of 496 reviews2015
Dev: Devdan GamesPub: Conglomerate 5
Windows
Median: 3.0 hrsMean: 4.9 hrs≥1hr: 92%
Jump into the action and battle your way through hordes of aliens from deserts to tropical islands with fully destructible environments !
Why similar: FPS 38.1%, Action 25.6%, Aliens 23%, Adventure 9.4%, Indie 3.9%
- #53 Solitude
65% matchPositive87% of 23 reviews2025
Dev: Bojun LiuPub: Jerboa Interactive
Windows
A survival shooter with story elements where you explore a hostile alien world after crash-landing your spaceship. Complete quests and gather the resources needed to escape.
Why similar: FPS 37.6%, Shooter 12.4%, Action 10%, Sci-fi 9.4%, Action-Adventure 8.5%
- #54 Vector Elite
67% match2 user reviews100% of 2 reviews2022
Dev: Infinity Workshop
Windows
Enter a sci-fi environment where your only objective is to hit all targets around you, using any means at your disposal. Bounce bullets off any surface and plan precision shots. Use portals to cut a doorway into reality itself, making for creative alternatives. Find the best solution for you.
Why similar: FPS 40.2%, Physics 14.4%, Shooter 13%, Action 12.1%, Sci-fi 11.6%
- #55 Rocket Bots
67% matchMostly Positive76% of 70 reviews2020
Dev: ic3bug
Windows · Linux
Rocket Bots is a fast-paced FPS where you destroy waves of hacked robots in simple compact arenas. Build custom ones via Steam Workshop and fight for divine glory.
Why similar: FPS 41.6%, Sci-fi 12.3%, Action 11.6%, Physics 10.9%, Shooter 8.2%