Games Like Space intruders alliance

Supplice is a stylish throwback shooter inspired by the mid-90s FPS glory days and the legendary Doom modding community. Mixing the retro stylings of 90s era shooters with colorful graphics and frantic gameplay, it creates an experience that's ever so familiar but also exciting and fresh.

Why similar: Boomer Shooter 43.4% ★, Futuristic 13.6%, Shooter 8.5%, Space 7.9%, 1990's 7.8%

In this fast-paced retro FPS, you awaken in a Daedalus Industries mining facility near the moon Titan with nothing but the gun in your hand and a barcode on your wrist. Manipulate gravity while exploring mind-bending levels as you fight to escape with the help of a mysterious ally known only as 'Z'.

Why similar: Boomer Shooter 48.5% ★, Shooter 11.7%, Space 10.2%, Futuristic 7.5%, Physics 6.4%

MORRA 3D is a classic boomer shooter about battling restless creatures with high-caliber guns and an ever changing storm inside of you.

Why similar: Boomer Shooter 48.2% ★, Bullet Time 23% ★, Shooter 12.2%, Linear 7.5%, 3D 3.4%

FOOTSLOG is a retro-inspired FPS equipped with fast-paced action and a unique interactive reloading mechanic. Take control of Subject 25 as you fight through a twisted experiment that will stop at nothing to see you perfected. Can you truly walk away from what this facility has made you become?

Why similar: Boomer Shooter 49.7% ★, Bullet Time 13.6% ★, Shooter 13.4%, Sci-fi 7.2%, Action 6.5%

This is a portal disguised as a game, where we will teleport your soul to a combat mech in the Alpha galaxy, where you will personally participate in the greatest shooting tournament in the entire Alpha galaxy and experience the purest combat fun in the arena filled with skilled players!

Why similar: Boomer Shooter 51.4% ★, Shooter 11.2%, Space 10.7%, Top-Down 8.6%, Aliens 7.4%

Klostyn is a sci-fi shooter that stays true to the late-'90s FPS style. The protagonist fights alien creatures and space pirates on a distant planet.

Why similar: Boomer Shooter 37% ★, Shooter 11.5%, 1990's 9.9%, Futuristic 9.7%, Space 8.2%

XENO DEAD is a fast-paced FPS tinged with a melancholic atmosphere. After aliens have come to the planet Earth to siphon its resources, the humans decide it best to call in their strongest weapon... you, the Assassin.

Why similar: Boomer Shooter 45.1% ★, Shooter 13.6%, Aliens 13.5%, Sci-fi 6.7%, 3D 5.3%

PO’ed is an adrenaline-pumping space shooter that features gameplay elements inspired by generational powerhouses DOOM and QUAKE. Play as a chef who crashlands on an alien planet infested with extraterrestrial foes. Using a menu of “household” weapons, PO’ed puts your wits and reflexes to the test.

Why similar: Boomer Shooter 48.9% ★, 1990's 11.7%, Space 11.4%, Aliens 10.4%, Shooter 9.3%

Grab your trusty revolver and blast away outlaws in this fast-paced shooter. You'll need to use the wide arsenal of weapons, your razor-sharp reflexes, and an itchy trigger finger to bring order to the lawless western frontier. It's Saloonery time!

Why similar: Boomer Shooter 50.6% ★, Bullet Time 18.7% ★, Shooter 12%, Linear 6.3%, 3D 4.9%

Single Player First Person Shooter set in India. Uncover a massive conspiracy involving personal vendetta, corrupt politicians, and a web of international interests as you fight off men and machines in the streets of an unnamed Indian city.

Why similar: Boomer Shooter 45.1% ★, Shooter 14%, Futuristic 10.4%, Realistic 6.8%, Action 6%

Wreak havoc on a deep underground military base and uncover what secrets lie beneath. Don't forget to wear your tin foil.

Why similar: Boomer Shooter 55.4% ★, Shooter 14%, Linear 7.1%, 1990's 6.9%, 3D 5.8%

A high-velocity movement-shooter following CPL CHAI on his vengeful assault against the Zephari homeworld after their failed invasion of Earth.

Why similar: Boomer Shooter 58.6% ★, Shooter 14.4%, Linear 10.6%, Sci-fi 5.6%, 3D 5.2%

Relive the thrill of ‘90s arcade mayhem in this modern take on classic coin-op action! Featuring stunning high-resolution graphics and a pulse-pounding soundtrack, this game delivers old-school intensity with cutting-edge technology.

Why similar: Boomer Shooter 34% ★, Bullet Time 11.9% ★, Shooter 11.9%, Futuristic 10.8%, Space 10.4%

A shooter primarily focused on constantly aiming at various difficulties.

Why similar: Boomer Shooter 51.6% ★, Shooter 16.2%, Action 7.2%, Linear 6.3%, 3D 6.1%

Waking Nitemare: A newtro FPS with modern twists. Dash, heal with melee headshots, use bullet time. Face unique bosses, find upgrades. Classic shooter action meets innovative mechanics. For retro fans and newcomers alike.

Why similar: Boomer Shooter 46.2% ★, Shooter 14.8%, Bullet Time 13.8% ★, 1990's 9.1%, Action 6.5%

Inspired by Alien 3 for Mega Drive / Genesis and Super Nintendo, it combines fast-paced action, suspense, and a dark atmosphere filled with tension. Assuming the role of Erika, you must rescue the trapped scientists while trying to survive the horror lurking in the shadows.

Why similar: Boomer Shooter 49.3% ★, Shooter 15.5%, Futuristic 12.5%, Action 7.3%, Sci-fi 6%

Throst is a 2D-retro-arcade-action adventure about precision flying under constant gravity. Dive through tight tunnels, outmaneuver and destroy defenses. Grab the enemy’s energy orbs, and blast your way back to orbit before you’re crushed or shot down.

Why similar: Boomer Shooter 41.5% ★, Space 12.2%, Futuristic 9.4%, Shooter 7.8%, 1990's 7%

Jump, slide, and smash your way through an arena of blood thirsty robots in Off Air. A first person shooter where there are only two rule: Survive and Smile for the camera. Use your wits and speed and dodge around waves of enemies in an ever devolving world of chaos and lead.

Why similar: Boomer Shooter 52.6% ★, Shooter 16.1%, Action 7.6%, 3D 6.1%, Linear 5.8%

This HEART-POUNDING WAVE-BASED ARENA SHOOTER catapults you into an alien-infested space station. SHOOT, SHRED, and SURVIVE as you crush enemy hordes, dodge chaos, and challenge yourself to set a new record. The battle escalates with every second—GET IN THERE and FIGHT!

Why similar: Boomer Shooter 37.9% ★, Space 13.7%, Futuristic 10.9%, Shooter 10.1%, Aliens 9.9%

A dark retro-FPS born from a solo AI-creation experiment. Blast your way through a vampire-ruled station, slay twisted enemies, and uncover the secrets of the VɅΔ Protocol

Why similar: Boomer Shooter 46.4% ★, Shooter 12.2%, Space 10.5%, Linear 7.5%, Sci-fi 6.6%

KAUNA is a Finnish boomer shooter made with 90's retro style graphics.

Why similar: Boomer Shooter 58.3% ★, Shooter 13.9%, 1990's 9.8%, Action 5.4%, 3D 4%

lone.AI is a space RPG roguelite. With challenging, relentless gameplay, each run has the potential to boost your ship's power, speed, and more. As a lone AI, fight your way through the solar system and uncover the secret behind the ZOSMA, an alien race that holds power over the system.

Why similar: Space 19.2%, Bullet Time 17.8% ★, Futuristic 12.9%, Aliens 11.4%, Shooter 11.3%

Spray N' Pray is a fast-paced boomer shooter where you play as Justinian, a priest armed with dual revolvers. Dash, run, and jump through a demon-infested cathedral, vanquishing hellspawn and fallen angels to earn your righteous place in heaven.

Why similar: Boomer Shooter 56% ★, Shooter 17.6%, Linear 7.5%, 3D 6.4%, Action 5.5%

A retro raycasting FPS, where grey aliens have abducted your wife! It's all real! Fight through the UFO/UAP lore. Discover and kill different alien species, read above top secret MJ-12 documents, and reveal the truth about the UFO/UAP phenomenon through BRUTAL DISCLOSURE.

Why similar: Boomer Shooter 59.2% ★, Aliens 11.8%, Shooter 10.8%, 1990's 6.8%, Action 4.3%

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: Space 26.1%, Futuristic 16.2%, Shooter 15.2%, Realistic 9%, Sci-fi 6.4%

An eerie darkness has emerged. With it came creatures demanding servitude to the Vinegar Mutter. Those who dare to fight have been slaughtered and eaten. In this magic based retro shooter, you take the role of Cymon, a wizard making the journey to the source of the chaos in an effort to stop it.

Why similar: Boomer Shooter 52.2% ★, Shooter 16.3%, 1990's 9.4%, Action 7.1%, 3D 5.7%

The evil Empire is currently creating a doomsday army behind a veil of secrecy. However, they are no match for the Rebel Alliance's covert operations division. Your mission is to infiltrate the Empire and put an end to their plans for terror and domination.

Why similar: Boomer Shooter 47.1% ★, Space 16.3%, Shooter 13%, 1990's 9.2%, Sci-fi 6.7%

50,000 Years ago a once thriving and industrious earth was invaded by monsters and all manner of evil. Can you stop them before they send the world back to the stone age?

Why similar: Boomer Shooter 51.1% ★, Shooter 15.9%, 1990's 10.2%, 3D 5.7%, Action 4.9%

Lock and load into the Starship Troopers universe and join the Mobile Infantry in the most realistic depiction of war ever made! Experience an original story in this action-packed, first-person retro shooter. Would you like to know more?

Why similar: Boomer Shooter 45.9% ★, Space 8.3%, Sci-fi 8.1%, Aliens 8%, Futuristic 8%

Pulse laser battles between you and enemies.

Why similar: Bullet Time 32.3% ★, Space 28.8%, Shooter 9.3%, Combat 6.8%, Sci-fi 6.4%

WIRED 2 KILL is a singleplayer, high action, retro FPS with linear gameplay and a short story narrative. Mow down cyborgs to Intelligent DnB and synth wave music with a selection of 6 weapons, keycards to find and a mission to take down the bot responsible for this city takeover!

Why similar: Boomer Shooter 56.8% ★, Shooter 14.9%, Futuristic 13.3%, Linear 8.5%, Action 4.3%

A short first-person-shooter game. Kill the corrupt baddies, blow shit up, save your hot wife, drink tea.

Why similar: Boomer Shooter 54% ★, Shooter 17.4%, 1990's 10.1%, Action 7.7%, 3D 6%

Survive the chaos of deep space in this intense top-down arcade shooter! Crush asteroids, defeat enemy ships, and fight deadly bosses with lightning-fast reflexes.

Why similar: Boomer Shooter 36.6% ★, Shooter 11.3%, Aliens 9.6%, Space 9%, 1990's 7.9%

Prevent alien ships from reaching your position. Avoid hitting human settlements by shooting only at the ships. Use multi-shot to hit several ships or nitro to move faster. Level up and beat the high score.

Why similar: Boomer Shooter 50% ★, Shooter 17%, Aliens 12%, Action 7.6%, Bullet Hell 6.1%

A brutal 2.5D boomer shooter. Blast through demons and undead with shotguns, rockets, and a katana in fast-paced aerial combat. Dash through speedrun-focused levels packed with brutal bosses, aggressive movement, retro-inspired visuals, and heavy metal action.

Why similar: Boomer Shooter 52.6% ★, Shooter 16.5%, 1990's 10.5%, Action 7.5%, Linear 6.2%

Cold Dark is a survival horror boomer shooter. Wake up in a deserted hospital with no memory of how you got there. Battle zombies and mutated horrors with your shotgun and chainsaw as you uncover the truth behind a deadly outbreak consuming the city.

Why similar: Boomer Shooter 62.7% ★, Shooter 19.1%, Combat 8.2%, Action 5.7%, Singleplayer 2.4%

Find a way out of here and get back to earth in FLAW, a retro-FPS inspired by cult classics: Unreal, Quake 2, Half-Life and many others. You and the Flaming Dawn’s passengers were looking for a better life among the stars, you have yet found only despair and darkness.

Why similar: Boomer Shooter 54.3% ★, Shooter 13.3%, Linear 8%, Futuristic 7.9%, Sci-fi 6.2%

Shoot. Build. Upgrade. And shoot some more. Pixelated chaos on a monster-filled space station.

Why similar: Boomer Shooter 48% ★, Space 13.3%, Shooter 12.8%, Top-Down 9.2%, 1990's 5.9%

Gana Force is a Horizontal shooter where you'll unleash powerful firepower, skillfully dodge bullets, and utilize the terrain to maneuver and defeat enemies. Game environments include alien cell levels, scorching sun, space battleships, and more. Powerful bosses and bullet hell challenges await you!

Why similar: Boomer Shooter 45.6% ★, 1990's 12%, Space 10.9%, Shooter 8.1%, Aliens 7.6%

Project: AMICA is a fast-paced First Person Shooter with a Metroidvania-inspired world! Blast robotic enemies to bits while exploring cartoony sci-fi areas, finding upgrades and collectables along the way. Meet a colorful cast of characters and solve their quests to uncover their secrets!

Why similar: Boomer Shooter 55.7% ★, 1990's 14.5%, Shooter 13.3%, Action 4.3%, 3D 3.9%

You’re Here Again is a weirdcore fast-paced movement shooter, exploring the liminal space between the end of life and whatever comes after. Experience the slow deconstruction of your existence as you utilise a wide range of weapons to kill the strange creatures inhabiting this strange new realm.

Why similar: Boomer Shooter 58.1% ★, Shooter 14.9%, 1990's 8.8%, Combat 5.8%, Action 5.2%

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 bullet raining shooter where you must survive endless wave of mutants. It's the gameshow of the future where contestants fight for survival.

Why similar: Boomer Shooter 23.2% ★, Futuristic 19.7%, Shooter 16.7%, Sci-fi 8.4%, 3D 6.8%

Escape From Zombietown is an Action Shooter FPS where you collect guns, grenades and consumables to help you fight off the zombies while you make your way out of town. With 20 levels filled to the brim with zombies, this game has all the zombie annihilating action you need.

Why similar: Boomer Shooter 61.8% ★, Shooter 15.1%, Linear 8.3%, 3D 5.9%, Action 4.6%

Originally made for PSP in 2025. Full PC Steam port to modern systems. Variety of enemies, weapons, bosses and levels.

Why similar: Boomer Shooter 52.6% ★, Shooter 16.4%, Aliens 11.5%, Space 11.3%, Action 7.2%

Iron Psycho: RETRO is a retro First-Person shooter in which the player must eliminate all threats aboard the ship and collect keys to reach the end of each level. Some levels contain secrets.

Why similar: Boomer Shooter 54.6% ★, Shooter 18.5%, Action 8.2%, 3D 6.4%, Sci-fi 5.4%

Clear targets in your office call center and race to the exit in this ridiculous, stapler-centric target shooter.

Why similar: Boomer Shooter 60.2% ★, Shooter 14.5%, 1990's 13.7%, Action 4.8%, 3D 3.2%

Year 2436. An unimaginable disaster has occurred on the 'Dawn' space station. You are the sole survivor of an elite marine squad. Your mission is to fight your way deep into the station and uncover the mystery behind the catastrophe.

Why similar: Boomer Shooter 51.3% ★, Space 17.3%, Shooter 14.2%, Sci-fi 6.3%, Linear 4.3%

A LINEAR SCI-FI ACTION HORROR FIRST PERSON SHOOTER WHERE YOU FIGHT YOUR WAY THROUGH AN ALIEN PLANET UNCOVERING SECRETS AS YOU EXPLORE AND DESTROY EVERYTHING IN YOUR PATH.

Why similar: Boomer Shooter 41.4% ★, Space 18%, Shooter 10.7%, Aliens 9.5%, Sci-fi 8.3%

TiME WASTER is a fast corridor first-person shooter with a special style. You will find yourself in a place where you must kill for the sake of time and will be killed for the sake of time... Do YOU ​​value your time?

Why similar: Boomer Shooter 55.7% ★, Shooter 17.4%, 1990's 10.5%, Action 7.7%, Linear 6.3%

Blast your way through zombie soldiers, succubus demons and floating cultist monks to escape this horror tape straight out of the 90s. Explore a dark world full of supernatural forces, rizz some hot baddies and uncover the secrets of the occult.

Why similar: Boomer Shooter 65.6% ★, Shooter 16.5%, 1990's 9.2%, Action 5.1%, Combat 2.2%

Humanity is gone. You're what's left. Now, it’s time for payback. Exact vengeance as a giant industrial robot rewired for pure destruction. Tear through the alien invasion in BLOW-UP, a Y2K-inspired, chaotic FPS packed with brutal weapons, explosive combat, and relentless action.

Why similar: Boomer Shooter 49.9% ★, Space 14.4%, Shooter 11.5%, Linear 6.5%, Sci-fi 5.9%

Fast-paced FPS with bullet time, short replayable levels and intense action-packed combat

Why similar: Boomer Shooter 48.5% ★, Shooter 16.2%, Bullet Time 15.3% ★, Action 6.9%, 3D 5.8%

A 3D first-person shooter in which, by chance, an astronaut gets inside the Earth's Moon satellite teeming with various alien creatures. Survive under the intense music in the style of METAL!

Why similar: Bullet Time 27.9% ★, Space 21.9%, Shooter 13.2%, Aliens 9.8%, Linear 9.6%

Powerfuel is an action FPS set in a gritty dieselpunk world. Play as the legendary ex-criminal known as the Cricket, and harness the mystical properties of powerfuels. Fight your way through the gangs of New Lyon and shed light on the conspiracy plaguing the city.

Why similar: Boomer Shooter 42.1% ★, Futuristic 15.3%, Shooter 13.2%, Realistic 7.4%, Sci-fi 6.8%

Cosmik Storm is a fast-paced single player FPS and space shooter with ray-traced graphics. As Earth’s last space marine, fight through asteroid fields and starships with advanced weapons, destructible environments, and physics-driven chaos to stop the robot apocalypse.

Why similar: Boomer Shooter 43.6% ★, Space 17.1%, Shooter 11.8%, Physics 7.8%, Sci-fi 6.8%

The operation has begun. Mars has been colonized, the earth is no longer habitable, your only choice is Venus. Follow the story of King Gizzard and the Lizard Wizard's 15th studio Album Infest the Rats Nest and journey straight to Hell! Fighting off demons and cultists in this 90's inspired shooter.

Why similar: Boomer Shooter 65.2% ★, Linear 12.1%, Shooter 9.5%, 3D 5.7%, Combat 3.9%

So.... got what it takes to be a X Slayer?!?... 7 weapons, blood and gore, twisted music by Seepage & Psyko Syndikate, and maps where you can blow up everything. its awesome. started making it in 1998 in high school with my friend and now im 37, so i have life experience now.

Why similar: Boomer Shooter 42.8% ★, 1990's 15.9%, Shooter 15%, Futuristic 7.4%, Combat 5.6%

Last Chance - is an atmospheric retro shooter with pixel graphics, where you are Alexei who has a disease in his head and must do everything to survive. The atmosphere of the dark winter adds to the epic and enhances the gameplay experience.

Why similar: Boomer Shooter 52.1% ★, Shooter 16.7%, 1990's 10.9%, Action 7.4%, Bullet Hell 6.6%

HOLOSYDE is a fast-paced retro PvE FPS blending classic gameplay with modern, AAA visuals. Realistic environments contrast with holographic, glitching weapons and characters. From claustrophobic corridors to open arenas, tear through dozens of enemies in this brutal homage to classic shooters.

Why similar: Boomer Shooter 44.6% ★, Shooter 15.8%, 1990's 9.9%, Futuristic 9.7%, Action 6.6%

Open Tournament is a fast-paced, free-to-play shooter that brings the essence of classic competitive FPS games into modern multiplayer action! Experience intense multiplayer gameplay with fluid movement, innovative weapons, and a variety of dynamic maps & modes.

Why similar: Boomer Shooter 38.7% ★, Shooter 12.1%, Aliens 10.8%, Futuristic 10.7%, 1990's 9.2%