
A science fiction FPS game where you fight, explore, and outsmart your way through an alien invasion. Built as a mod for the Source engine.
60+ similar titles based on shared tags and player behavior. Themes include FPS, First-Person, Action, Singleplayer.

A science fiction FPS game where you fight, explore, and outsmart your way through an alien invasion. Built as a mod for the Source engine.

Prospekt
Prospekt begins in the Nova Prospekt prison in the Half-Life universe. Gordon Freeman is slowly being overrun by soldiers in the prison, however unknown to him, his Vortigaunt allies manage to find some help from a forgotten hero.

Transmissions: Element 120
TE120 is a short single player experience set in the Half-Life Universe featuring a gravity defying weapon that allows you to jump buildings and sustain large falls. The story takes place at a mysterious date & location. Where are you? Why have you been sent?
Prospekt begins in the Nova Prospekt prison in the Half-Life universe. Gordon Freeman is slowly being overrun by soldiers in the prison, however unknown to him, his Vortigaunt allies manage to find some help from a forgotten hero.
Why similar: Mod 53.9% ★, FPS 19.4%, Shooter 9.7%, First-Person 5.8%, Sci-fi 5.8%
TE120 is a short single player experience set in the Half-Life Universe featuring a gravity defying weapon that allows you to jump buildings and sustain large falls. The story takes place at a mysterious date & location. Where are you? Why have you been sent?
Why similar: Mod 50.2% ★, FPS 15.2%, Shooter 14.9%, First-Person 7.2%, Action 3.7%
Lights. Camera. Action!
FISHGUN is a chaotic fish-person shooter where you feed your sentient gun random upgrades to defeat hordes of evil fruit.
Why similar: FPS 27.7%, Surreal 23.1%, Shooter 18.4%, Psychedelic 9.8%, First-Person 6.9%
Exorcism RitualIs an Indonesian Horror Game where you can face an enemy based on Indonesian urban legend, and give different experiences instead of making the main character defenseless, we provide various weapons that you can buy from the merchant.
Why similar: FPS 24.4%, Shooter 19.9%, Puzzle 14%, Realistic 11.3%, Linear 8.9%
Axial Drift is an online-multiplayer FPS-Z modding platform where you can create your own maps, skins, weapons, and game modes using Unreal Engine 4.
Why similar: Mod 38% ★, FPS 22.2%, Shooter 17%, First-Person 9.3%, Sci-fi 7.6%
Dystopia is a cyberpunk game with tense combat situations in a high-tech world spanned by computer networks. Playing as either Punk mercenaries, or Corporate security forces, the player will fight through the physical world to gain access, via jack-in terminals, to cyberspace.
Why similar: Mod 63.3% ★, FPS 16.3%, Shooter 7.7%, Sci-fi 4.6%, First-Person 4.1%
Ultimate Dream is a realistic tactical FPS with adventure elements in a psychologic and psychedelic world. Intense gunfights meet a heavenly realm the player protects while bound to a bleak social security supported reality he is seeking freedom from.
Why similar: FPS 24.7%, Shooter 20%, Surreal 14.8%, Psychedelic 13.2%, First-Person 9.6%
Why similar: Mod 100% ★
Embark on a one-of-a-kind journey of exploration in "Elevator Experience". Step into the elevator and prepare to be transported to a world of mysteries, where every floor holds a new adventure waiting to be unlocked.
Why similar: Surreal 25%, FPS 18.6%, Puzzle 12.2%, First-Person 11%, Exploration 9.7%
This game is a 3D puzzles and first-person shooter elements. Explore an office space and try to understand whether you are in a dream or in reality. Be attentive and not miss any details, as time is running out. Remember: dying in a dream means waking up, while dying in reality means simply dying.
Why similar: Surreal 26.9%, Shooter 21.4%, Puzzle 15.5%, FPS 11.4%, Sci-fi 9.3%
Manipulate time to overcome obstacles in a clever way. A sci-fi FPS game with large variety of weapons and foes set in a remote military research lab where an experiment has gone horribly wrong.
Why similar: FPS 24.6%, Shooter 19%, Puzzle 12.5%, Realistic 10.3%, First-Person 9.6%
Menticide is a survival horror game that takes you through chilling investigations. As a special forces operative, you'll delve into routine missions that unravel into terrifying mysteries. Dark secrets await beneath the surface. Will you survive long enough to uncover the truth?
Why similar: FPS 32.7%, Shooter 21.6%, Linear 13.8%, First-Person 12.1%, Realistic 8.1%
Lone Apocalypse is an open-world survival game set on a frozen island in the near future. Players build, explore, and survive in extreme conditions while uncovering the truth behind a failed climate weapon. The game combines crafting, survival, and story for an immersive post-apocalyptic experience
Why similar: FPS 24.2%, Surreal 20.5%, Shooter 17.1%, Exploration 11.6%, Realistic 9.2%
References to games Superliminal and Portal. Gravity Labs is a new first-person puzzle game based on gravity. Players will take on the role of a job seeker and try to pass the layers of tests set by the mysterious mega-company THE COMPANY.
Why similar: FPS 29.9%, Surreal 17.1%, Puzzle 16.7%, Realistic 12.7%, First-Person 9.3%
NUCLIDEAN puts you into the shoes of a janitor at a planetary outpost invaded by an alien cult. In this retro boomer-shooter with a Non-Euclidean twist, you will encounter portals, crazy geometry and bloody monstrous enemies. All that on a distant planet where the rules of the Earth do not apply.
Why similar: FPS 27.8%, Shooter 22.5%, Surreal 14.1%, First-Person 10.8%, Action 8.5%
Follow the balloon, run around the carnival. Find the key, hide in the box, watchout for the red nose. Will you be able to unlock the lock?
Why similar: FPS 24.1%, Surreal 20.6%, Shooter 17.3%, Puzzle 11.3%, Linear 10.9%
Become Kotel and liberate beloved Princess of Gigacrush that was abducted. Accept true-hearted friends to accompany your traverse.
Why similar: Surreal 22.4%, FPS 20.7%, Psychedelic 16.1%, Shooter 13.8%, First-Person 8.5%
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 34.3%, Shooter 28.1%, First-Person 14.3%, Sci-fi 11.6%, Action 11.3%
It's a fictitious post-apocalyptic world, 15 years after the catastrophe, you have to leave your shelter and explore a world devoid of human life. On your own, you must find a way to survive.
Why similar: FPS 26.9%, Shooter 19.2%, Exploration 12.9%, Puzzle 12.8%, Linear 10.5%
This prologue was created to present an overall concept of the main game through a pair of gameplay hours to introduce you to some of the game’s mechanics, creatures, and ideas.
Why similar: FPS 30.9%, Exploration 15.7%, Multiple Endings 12.3%, First-Person 12.3%, Linear 11.7%
Labyrinth Escape is very challenging game, where your target is to find out of different labyrinths, avoiding bombs, mines and other scary stuff
Why similar: FPS 30.4%, Shooter 18.6%, Puzzle 14.1%, Surreal 13.7%, First-Person 10.2%
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 36.7%, Shooter 20.3%, First-Person 13.4%, Linear 12%, Sci-fi 6.7%
Jump, shoot, and throw a lot of barrels in this self-contained FPS boss fight against a massive tornado.
Why similar: FPS 33%, Shooter 20.6%, Surreal 17.4%, First-Person 10.7%, Linear 9%
Zero State – A tactical shooter where you play as "Null," a man with no memory. Steal the skills and memories of the fallen to survive—but each theft brings you closer to madness. Survive by balancing power and sanity!
Why similar: FPS 26.8%, Shooter 21.8%, First-Person 10.4%, Realistic 10%, Linear 8.9%
A VHS and PS2 aesthetic experience with heavy influence from classic horror games and movies of the 80s and 90s. With detailed environments, gory first-person action and a claustrophobic atmosphere, witness the horrors lurking beneath the streets of Northern England
Why similar: FPS 17.7%, Shooter 16%, Multiple Endings 12.9%, Linear 11.3%, Puzzle 10.7%
Game challenges you to master both frantic FPS action and intricate puzzles, all while uncovering hidden layers of gameplay. Compete on global leaderboards and dive deep into the first true metagame experience. Will you uncover its secrets or get lost in its complexity?
Why similar: FPS 30.5%, Exploration 14.7%, Puzzle 13.7%, Psychedelic 12.8%, Multiple Endings 12.5%
Explore terrifying liminal spaces. Horror walking simulator with reality-bending platforming and supernatural threats. Get lost between dimensions.
Why similar: FPS 20.7%, Shooter 18.9%, Puzzle 13.6%, Exploration 9.8%, Realistic 8.5%
You wake up alone in the depths of an abandoned sewer with only basic gear to keep you alive. Something went terribly wrong and it’s not done with you yet. Face relentless horrors, solve environmental puzzles, and fight your way through an inhospitable world in this action horror FPS game.
Why similar: FPS 38%, Shooter 25%, Linear 15.9%, First-Person 14%, Action 6.7%
Lost Squad — fan-made Source Engine based game in Half-Life® 2 universe about what happened to Barney Calhoun after Half-Life® 2: Episode One events and why he was not in Half-Life® 2: Episode Two
Why similar: Mod 48.2% ★, FPS 22.5%, Shooter 9.1%, First-Person 8.6%, Action 4.9%
Explore a mysterious house filled with terrifying secrets. Armed with only a gun and flashlight, search for clues, survive dangerous encounters, and unravel the shocking truth behind the eerie silence in The Shattered Truth.
Why similar: FPS 24.2%, Shooter 19.4%, Puzzle 12.8%, Exploration 10.4%, Realistic 9.2%
Game of horror, puzzles and shooting: Plunge into an underground hell—caused by uncontrolled illegal human experiments. Once a secret lab, now overrun by mutated zombies. Solve puzzles, shoot, and escape this desperate cage!
Why similar: FPS 29.1%, Shooter 19.2%, Exploration 14.8%, Puzzle 13.2%, Linear 8.6%
ONEiRA is a narrative-driven puzzle-platformer where your choices matter. Explore a world where dreams are sold as entertainment and your job is to ensure each is market-ready. Inspect virtual dreamscapes and untangle the trauma hidden within.
Why similar: Surreal 20.8%, FPS 14.9%, Psychedelic 13.7%, Multiple Endings 11.5%, Puzzle 9%
What will happen if a person is overtaken by a global catastrophe during his daily routine? You can find out right now.
Why similar: FPS 37.4%, Shooter 24.4%, Linear 16.7%, First-Person 13.6%, Action 7.5%
Exodomia is a narrative-driven, action-adventure game set on the robotic world of Salakar V! In this fast-paced combat experience, you will encounter many dangerous creatures and enemies as you navigate a story of struggle and survival.
Why similar: FPS 29.6%, Shooter 20.9%, Exploration 14.9%, First-Person 9.4%, Realistic 8.8%
The Charity Shop is an atmospheric, surreal, first-person puzzle game where you use your camera to capture the essence of a life lived. To this end, you have been delivered to The Charity Shop, the place where people donate unwanted belongings—each carrying an imprint of the time they once shared.
Why similar: Surreal 42.5%, Puzzle 16.3%, First-Person 12.1%, Linear 10.1%, Exploration 9.7%
Bloodwatch is a short horror game about surviving at all cost on the island when the maniacs are trying to find and kill you. Explore, finding weapons, items, find the leader and kill him.
Why similar: FPS 33.7%, Shooter 23.6%, Exploration 17.3%, First-Person 12.2%, Action 6.5%
Pilot your advanced Trident fighter through a mysterious frontier, where survival hinges on skill, strategy, and an inexplicable alien bond. XERXES:SHADOW - Your mind is the battlefield.
Why similar: FPS 23.6%, Shooter 19.6%, Exploration 11.3%, Realistic 10.5%, First-Person 9.8%
'The Dreamer Must Die' is an RPG shooter where you're the only hope for a fading dream world. Advance the story, find new equipment, and improve your character within the MIND menu to ensure your survival.
Why similar: Surreal 21.4%, FPS 17.7%, Shooter 17.3%, Multiple Endings 15.1%, Exploration 10.5%
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 34.5%, Shooter 28.1%, First-Person 14.5%, Sci-fi 11.4%, Action 11.1%
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 38.3%, Shooter 17.6%, Sci-fi 14.8%, First-Person 13.1%, Action 6.7%
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 36.2%, Shooter 22.1%, Puzzle 15.2%, First-Person 12.3%, Sci-fi 7.5%
First Person Shooter with surreal gunfights and story. Tactical Goal Oriented Ai. Many enemy types and bosses. Merchant with upgrade system. Fully Voice Acted Story. Gibbing enemies. Interactable and destructible environments.
Why similar: FPS 38.9%, Shooter 23.6%, Linear 9.9%, First-Person 9.7%, Action 9.1%
A sci-fi first-person shooter with a dynamic deployable cover system. A demo level from our game Bounty.
Why similar: FPS 42.9%, Shooter 23.7%, Sci-fi 11.7%, Action 9.6%, First-Person 9.6%
Protocol Filve is a surreal first-person adventure with multiple endings, you will find yourself in a world where some rotten things want to kill you. Some choices along the way drastically and irreversibly change the game, leading to one of the 5 possible endings.
Why similar: Surreal 20.7%, FPS 13.5%, Psychedelic 13.2%, Multiple Endings 12.8%, Shooter 11.8%
S.T.A.L.K.E.R.: Shadow of Chornobyl, the first chapter of the Legends of the Zone Trilogy, which started it all.
Why similar: FPS 24.1%, Shooter 19.3%, Exploration 11.6%, Realistic 10%, First-Person 9.9%
Fight viruses, survive insane waves of rays and bullets, and find out more about the inhabitants of the Network in this mix of exploration and 3D bullet-hell/FPS game.
Why similar: FPS 22.2%, Shooter 16.2%, Surreal 13.2%, Psychedelic 12.4%, Exploration 10.4%
Play as a Elite soldier in ironclad atomic power armor, collect powerful weapons, crush endless waves of voidborn horrors and step into the realm portal, to finish their demigod masters. An old school FPS,collect items,unlock powerful upgrades,kill boss,find exits,and endless mode.
Why similar: FPS 27%, Shooter 22%, Surreal 18.3%, First-Person 11.3%, Sci-fi 9.2%
S.T.A.L.K.E.R.: Call of Prypiat follows the story of special service agent Major Degtyarev as he investigates the fate of a lost expedition.
Why similar: FPS 24%, Shooter 19.5%, Exploration 11.4%, Realistic 10.4%, First-Person 9.9%
Splatter is a first-person fever dream where you blast constantly-adapting enemies into neon sprays of pulp and slime. Enter a digital mindscape constructed by four anonymous administrators. Can you survive? Can you remain sane? Can you remain yourself?
Why similar: Surreal 23.2%, FPS 22.2%, Shooter 15.1%, Psychedelic 13.3%, First-Person 8.5%
Inspired by arcade classics, this new arcade experience mixes a first-person viewpoint with classic invader style shooting. Together, this unique mashup will test your skills across 30 different challenges!
Why similar: FPS 30.4%, Shooter 24%, First-Person 16.6%, Psychedelic 15.8%, Action 7.3%
DREAMWILD is a fast paced, Arcade-Styled FPS set in a multitude of unique and bizarre psychedelic worlds! Slice through the endless horde with your accursed sword, discover the secrets that the DreamWilds have to offer, and get to the bottom of the dark plague spreading through all Mindspace!
Why similar: FPS 25.2%, Surreal 21.1%, Psychedelic 19.9%, Shooter 18.5%, Exploration 6%
A single player first-person action shooter.
Why similar: FPS 39.3%, Shooter 25.2%, First-Person 14.1%, Realistic 12.9%, Action 8.2%
Explore a strange facility of hostile robots while a friendly (?) robot (?) gives unhelpful suggestions.
Why similar: FPS 23.8%, Surreal 17.6%, Shooter 16.4%, Puzzle 10.8%, Linear 9.6%
Immerse yourself in a grim post-apocalyptic world where survival depends on your skills, ingenuity, and determination. Explore abandoned streets, battle hordes of zombies, solve puzzles, and forge a path to the Central Hospital — your ultimate goal.
Why similar: Shooter 26.4%, Puzzle 17.8%, Exploration 14.1%, First-Person 13.5%, Action 11.1%
S.T.A.L.K.E.R.: Clear Sky is the prequel chapter of the Legends of the Zone Trilogy. With the ability to directly influence the balance of power through Faction Wars, step into the boots of Scar — a seasoned mercenary, able to somehow survive deadly Emissions.
Why similar: FPS 24.3%, Shooter 19.5%, Exploration 11.6%, Realistic 10.5%, First-Person 9.8%
A co-op underwater horror game where you and your crew explore multiple submerged locations, recover resources, and survive what lurks in the depths.
Why similar: FPS 22%, Shooter 20.5%, Exploration 11.5%, Realistic 9%, First-Person 8.5%
Experience the critically acclaimed and award-winning Portal™ reimagined with full ray tracing and DLSS 4 in this free DLC for Portal owners. Start thinking with portals, with RTX on.
Why similar: Mod 47% ★, Puzzle 15.4%, First-Person 11.4%, Sci-fi 8.9%, Realistic 8%
A slow-burn FPS survival horror set in 1923 Istanbul. Begin inside the Imperial Ottoman Bank and descend into sealed vaults, flooded cisterns, and foggy streets. Scarce ammo. Methodical gunplay. No arcade action. Face slow, relentless undead where precision means survival. One bite ends it all.
Why similar: Shooter 22.7%, FPS 17.4%, Linear 12.7%, Exploration 12.7%, First-Person 12.2%
Delve into the psychological roots of the POSTAL series in Flesh & Wire, a horror first person shooter that ventures into the twisted reality of a hapless victim seeking enshrouded answers and grisly vengeance against the crazed gunman who changed her life forever.
Why similar: FPS 28.2%, Surreal 24%, Shooter 18.5%, Realistic 8.6%, First-Person 6.8%