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 43.7% ★, Futuristic 13.5%, Shooter 8.3%, Space 7.9%, 1990's 7.9%

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 48.9% ★, Shooter 11.3%, Space 10.2%, Futuristic 7.4%, Physics 6.5%

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 48.7% ★, Bullet Time 22.9% ★, Shooter 11.9%, Linear 7.5%, 3D 3.4%

"Xeno Swarm" is a hardcore side-scrolling shoot-'em-up game. Team up with your allies to battle overwhelming swarms of alien creatures, engage in life-or-death showdowns with colossal bosses on extraterrestrial battlefields, and relive the exhilarating thrill of bullet-hell mayhem!

Why similar: Boomer Shooter 39.8% ★, Space 11.6%, Shooter 11.5%, 1990's 9.4%, Aliens 8.9%

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 50.2% ★, Bullet Time 13.6% ★, Shooter 13%, Sci-fi 7.2%, Action 6.3%

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 51.8% ★, Shooter 10.9%, Space 10.6%, Top-Down 8.7%, Aliens 7.3%

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 37.4% ★, Shooter 11.2%, 1990's 10%, Futuristic 9.6%, Space 8.2%

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 57.4% ★, Shooter 14%, Linear 7.3%, 1990's 7.2%, 3D 6%

Enter the boundary between dream and reality. SOMNUS is a first-person shooter blending investigation and combat, built around the Perfect Evasion system. Time your dodges to trigger bullet time, restore Nightmare Fuel, and confront the fears that dwell within the subconscious.

Why similar: Boomer Shooter 28.7% ★, Bullet Time 17.1% ★, Shooter 12.3%, Futuristic 10.4%, Sci-fi 7.6%

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 49.4% ★, 1990's 11.8%, Space 11.3%, Aliens 10.2%, Shooter 9%

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 45.6% ★, Aliens 13.4%, Shooter 13.3%, Sci-fi 6.7%, 3D 5.3%

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 51% ★, Bullet Time 18.6% ★, Shooter 11.7%, Linear 6.3%, 3D 5%

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 59.1% ★, Shooter 14%, 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 34.5% ★, Bullet Time 11.9% ★, Shooter 11.6%, Futuristic 10.8%, Space 10.4%

Fight your way through the mega-corporation Galatico, the gatekeepers of the universe’s most powerful transportation devices. Destroy their infrastructure and blast your way to the top in this boomer shooter inspired FPS.

Why similar: Boomer Shooter 44.4% ★, Space 14.4%, Shooter 12.1%, Futuristic 8.3%, Linear 6.4%

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 46.7% ★, Shooter 14.4%, Bullet Time 13.7% ★, 1990's 9.1%, Action 6.3%

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 49.9% ★, Shooter 15.1%, Futuristic 12.3%, Action 7.1%, Sci-fi 6%

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 53.1% ★, Shooter 15.7%, Action 7.4%, 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 38.3% ★, Space 13.6%, Futuristic 10.8%, Shooter 9.8%, Aliens 9.8%

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 56.3% ★, Shooter 17.1%, Linear 7.6%, 3D 6.7%, Action 5.4%

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 46.9% ★, Shooter 11.8%, Space 10.4%, Linear 7.5%, Sci-fi 6.6%

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

Why similar: Boomer Shooter 58.8% ★, Shooter 13.5%, 1990's 9.9%, Action 5.2%, 3D 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 52.7% ★, Shooter 15.9%, 1990's 9.4%, Action 6.9%, 3D 5.8%

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 19.4%, Bullet Time 17.6% ★, Futuristic 12.8%, Aliens 11.3%, Shooter 11.2%

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 47.3% ★, Space 16.2%, Shooter 12.7%, 1990's 9.2%, Sci-fi 6.7%

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 26.2%, Futuristic 16.1%, Shooter 14.9%, Realistic 9%, Sci-fi 6.4%

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 51.5% ★, Shooter 15.5%, 1990's 10.2%, 3D 5.7%, Action 4.8%

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

Why similar: Boomer Shooter 54.5% ★, Shooter 16.9%, 1990's 10.1%, Action 7.5%, 3D 6.1%

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 57.4% ★, Shooter 14.5%, Futuristic 13.1%, Linear 8.5%, Action 4.2%

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 50.6% ★, Shooter 16.6%, Aliens 11.8%, Action 7.4%, Bullet Hell 6.1%

Pulse laser battles between you and enemies.

Why similar: Bullet Time 32.3% ★, Space 28.8%, Shooter 9.1%, Combat 6.9%, Sci-fi 6.4%

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

Why similar: Boomer Shooter 48.4% ★, Space 13.3%, Shooter 12.5%, Top-Down 9.3%, 1990's 5.9%

Dark fantasy 2.5D boomer shooter focused on precision combat. Fight through surreal realms, lost civilizations, and dead gods. Recover the fractured Rift Stone, escape the soul prison, and stop the dark elf Razan.

Why similar: Boomer Shooter 53.1% ★, Shooter 16.1%, 1990's 10.5%, Action 7.3%, Linear 6.2%

Astro Fighters 2 is a vertical scrolling bullet hell shooter designed to test your skills with non-stop arcade style action. Use a variety of special items, power up your chosen ship and compete for the high score across 4 difficulty modes to be the best fighter pilot in the game.

Why similar: Bullet Time 23.1% ★, Space 14.1%, Shooter 12%, Aliens 11.3%, Futuristic 11.1%

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 37% ★, Shooter 11%, Aliens 9.5%, Space 9%, 1990's 7.9%

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 54.9% ★, Shooter 12.9%, Linear 7.9%, Futuristic 7.9%, Sci-fi 6.1%

Project: AMICA is a fast-paced first person shooter built in the GZDoom engine. You play the role of SID, an android set out to defeat General Genant Kekaha in order to prevent further military conflict. Explore a colorful 90's inspired world of robots, cool power ups and weapons!

Why similar: Boomer Shooter 56.1% ★, 1990's 14.5%, Shooter 13%, Action 4.2%, 3D 4%

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 58.5% ★, Shooter 14.5%, 1990's 8.9%, Combat 5.8%, Action 5%

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 62.3% ★, Shooter 14.7%, Linear 8.3%, 3D 5.9%, Action 4.5%

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 34.8% ★, Space 14.3%, Physics 10.6%, Shooter 9.4%, Futuristic 7.3%

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

Why similar: Boomer Shooter 53.2% ★, Shooter 16.1%, Aliens 11.4%, Space 11.3%, Action 7%

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 55.2% ★, Shooter 18.1%, Action 8%, 3D 6.5%, Sci-fi 5.4%

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 51.8% ★, Space 17.2%, Shooter 13.8%, Sci-fi 6.2%, Linear 4.3%

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

Why similar: Boomer Shooter 60.6% ★, Shooter 14.1%, 1990's 13.8%, Action 4.6%, 3D 3.2%

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 46.1% ★, Space 8.4%, Sci-fi 8.1%, Futuristic 8%, Aliens 7.8%

When the world’s most dangerous terrorists crawl out of the shadows, there’s only one number the government dials: yours. CTE is classic 90's 2.5D action. Suit up, Light up, its time to Call The Exterminator.

Why similar: Boomer Shooter 54.5% ★, Shooter 16.6%, 1990's 13.2%, Action 7.7%, Combat 5.1%

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 56.3% ★, Shooter 17%, 1990's 10.6%, Action 7.5%, 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 66.2% ★, Shooter 16%, 1990's 9.3%, Action 4.9%, Combat 2.2%

BLOW-UP: AVENGE HUMANITY is a single-player fast paced first person shooter campaign where you take control of an industrial robot rewired by the last human being to violently dispatch the alien race accountable for Earth’s destruction. Are you ready to become the ultimate avenger?

Why similar: Boomer Shooter 50.3% ★, Space 14.2%, Shooter 11.2%, Linear 6.5%, Sci-fi 5.9%

ENDTIMES IS A SCI-FI HORROR FPS THAT TAKES PLACE IN A COLD WAR BETWEEN ALIENS AND HUMANS AFTER DECADES OF FIGHTING. DISCOVER THE DARK SECRETS THAT LIE UNDERNEATH BILLIONS OF YEARS OF DUST AND DIRT THAT THEY WERE FIGHTING TO PROTECT.

Why similar: Boomer Shooter 46.1% ★, Bullet Time 14.9% ★, Futuristic 9.7%, Shooter 8%, Sci-fi 7.1%

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 43.9% ★, Space 17%, Shooter 11.5%, Physics 7.9%, Sci-fi 6.8%

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 28% ★, Space 22%, Shooter 12.9%, 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 42.4% ★, Futuristic 15.2%, Shooter 12.9%, Realistic 7.3%, Sci-fi 6.8%

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 53.2% ★, Shooter 16.1%, 1990's 10.8%, Action 7.1%, Bullet Hell 6.5%

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 42.7% ★, 1990's 16.1%, Shooter 14.7%, Futuristic 7.4%, Combat 5.7%

Death Delivery is satisfying, fast-paced First Person Shooter with stylized slow motion,music, action and old-school trial-and-error difficulty.

Why similar: Boomer Shooter 40% ★, Bullet Time 21.2% ★, 1990's 10.6%, Shooter 8%, Sci-fi 6.3%

COP BASTARD is a classic first-person shooter set in early 90s Japan, offering non-stop action inspired by action movies. Play as a dirty detective, mowing down endless waves of Yakuza with no puzzles, perks, or upgrades — just corridors, enemies, and the power to spit right in their faces

Why similar: Boomer Shooter 48.8% ★, Bullet Time 23.2% ★, Shooter 12.3%, 1990's 7.7%, Combat 3.5%

You like Sci-Fi games? You like FPS? You like games with secret items, collectables? You like short Indie games? Then you will love this game! The game takes place in a big mothership captured by aliens. Your mission is to kill all the aliens, and blow up the mothership.

Why similar: Space 20.4%, Futuristic 16%, Shooter 12.7%, Realistic 9.1%, Physics 8.9%

Launch the SYNC protocol, where you are the ultimate weapon. Your job is to commandeer different robotic synth’s abilities in a high-octane, first-person frenzy. Master the art of SYNCing, and control the pace of battle.

Why similar: Boomer Shooter 49.4% ★, Futuristic 11.9%, Shooter 11.5%, Linear 7.3%, 3D 5.6%

The battle for Crimson Tide has begun.

Why similar: Boomer Shooter 45.6% ★, Bullet Time 30.6% ★, Shooter 7.3%, Realistic 5.1%, Combat 4.6%