Top similar games like DOSMan: Space Aliens in Space!:
DOSMan: Space Aliens in Space! $2.99
Planet DOS is under attack by Space Aliens, DOSMan needs to fend them off and defend his home planet!
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God Damn The Garden$4.99
The FPS Adventure where you're challenged to explore God Damn's World, and ultimately become the successor of Badass Heaven.

Rule No. 2$5.99
Because sometimes all that you really want from life is to be blowing up a bunch of $#!% while also gazing at some chesticles -- as fast and as expeditiously as possible. Sturgeon General's WARNING: 'Risk of Waifus, Guns, Nudity, Instant Action and Mayhem.'

Emme Saves the Galaxy$2.99
Join Emme the dog as she battles block invaders in this puzzle action game. Defeat all kinds of unpredictable blocks across hundreds of levels.

Fashion Police Squad$19.99
Even at this moment, our fashionable city is under assault. Baggy pants, dull suits, sightings of socks with sandals. A message needs to be sent, and it needs to be sent in style... Time to serve some good ol' Fashion Justice!

Gastro Force$6.99
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!

Jump Dash SoarFREE
Jump Dash Soar is a frenetic, fast, and fun movement-based FPS. Build incredible speed with a powerful dash mechanic combined with rocket jumping, strafe running, slope jumps, and bounce pads!

AMID EVIL$19.99
A retro FPS for the ages! Once branded a HERETIC. Now YOU have been chosen as our champion! Reclaim our sacred weapons. Take back our ancient lands. If you can stand... AMID EVIL.

Cathedral 3-DFREE
👹 Puny humans have entered your domain and think they can chase you out of it – prove them wrong. Use your fiery breath and incredible agility to defend your Cathedral for as long as possible and let this fast-paced, arcade, endless arena FPS transport you back to the 90s! 👹

Ex-Zodiac$11.99
A fast-paced low-poly 3D rail shooter heavily inspired by classics of the early 90's. Join protagonist Kyuu as she fights to free the worlds of the Sanzaru Star System, overrun by the intergalactic terrorist organization known as Zodiac.

Starfighter Renegade$2.99
Fly into battle across multiple bite-size levels of exciting 3D aerial combat! Do you focus on taking out the alien fighters? Or rescue the stranded inhabitants before they're abducted? What about the deadly terraforming virus sweeping the surface below?

Assau!t$1.99
The new Assau!t is a PICO-8 defense first-person shooter. These scary enemies that are coming to you.. All we have to do is stop the approaching enemies. Shoot! Shoot!

Cube Space$0.99
Cube Space is a minimalist arcade Shoot `em Up game set in space. You control a spaceship and your task is to score as many points as possible by destroying enemies and obstacles in your path.

Spacepunk Survival$9.99
Spacepunk Survival is a multiplayer, first-person shooter game where you must survive hordes of deadly aliens in a derelict space station, all of that with beautiful and dark retro aesthetics.

ZSG$1.99
Would you like to do some... EXTREMELY SATISFYING ZOMBIE-ALIEN PIMPLE POPPING WITH AWESOME RETRO GUNS WHILE TRYING TO NOT FALL OFF A METEOR FLYING THRU SPACE? Good, then ZSG is you're one and only choice.

First Person Stapler$1.99
Clear targets in your office call center and race to the exit in this ridiculous, stapler-centric target shooter.

Space Moth: Lunar Edition$7.99
1CC Games’ first shoot ’em up returns with totally overhauled visuals, all-new enemies and attacks, a deeper scoring system, remixed soundtrack and fresh player powers. Space Moth: Lunar Edition is the ultimate version of the beloved cult classic.

Supplice$14.99
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.

SHOGUN$5.99
SHOGUN is an arcade style shooter that emphasizes running and gunning to stay alive. Rip through waves of increasingly difficult enemies hell-bent on your doom by shooting, looting, and eluding a bullet hell of cartoonish horror. Refuse death, explode with burning rage and tear asunder!!!

Bears In Space$19.99
Unleash your inner bear in this over-the-top bullet-hell FPS! Embark on a zany retro-futuristic adventure and destroy oil-thirsty robots with an outrageous arsenal. Transform into a bear, wield unique powers, and embrace the absurd fast-paced action of Bears in Space!

Forest Frenzy$2.99
Shoot to survive, shoot em' up, score attack! A wave based shooter where you must buy weapons and upgrades to survive! Get local high scores or compete on steam leaderboards!

Centauri Dark$4.99
Centauri Dark is a bullet-hell FPS where you fight against wave after wave of mechs in a bid for your own survival.

Exosuit$4.99
Exosuit is a dynamic shooter in a unique style, where focus is on maximizing fun of gameplay. Game has no plot and the emphasis is only on unbridled action and unusual visual style.

Madness Beverage$14.99
Travel through the galaxy and beat space demons to a bloody pulp in this intense first-person boomer shooter! Use a variety of weapons and powerful drinks created for one purpose only – to bring destruction and lots of blood.

ROBOCRACY$14.99
Take on the challenge and face off against a rogue AI bent on enslaving humanity! Strap on your VR headset, step into the boots of a Galactic Ranger, and tear through waves of robots with explosive blasters, devastating shotguns, and an insane arsenal — just like classic arcade shooters!

KUR$19.99
Destroy drones, ravage robots and stomp some skull-bearing spiderdroids in a dark-humor drenched take on the classic 90’s shooter.

Popcorn Rocket$4.99
Popcorn Rocket is a silly food based old-school arcade space shooter. Pilot the Popcorn Rocket as you blast through hordes of food spaceships in order to save the galaxy from the evil Nebula Empire! With a wacky cast of heroes and villains, Popcorn Rocket will leave your stomach wanting more!

SPRAWL$14.99
SPRAWL is a hardcore retro FPS set in an endless cyberpunk megalopolis. Escape the walled city and take on the militarized government of the sprawl. Fueled by the blood of your enemies and a mysterious voice in your head, make your way towards the spire to topple whatever lays within.

Evade VR$5.99
Evade VR is a unique arcade game in which you have to take the battle in outer space. You will have to fight the bots, dodging their shots and meteor showers. In battle you will help, an extensive arsenal of weapons, abilities and bonuses, combine them and earn as many points as possible.

The Wicked West$1.99
A Low-Poly Western-themed FPS that can be played alone or with with up to 6 friends! Wield iconic weapons like the revolver, lever-action rifle, shotgun, and sniper all while relying on strategy, quick reflexes, and steady aim to outduel your friends!

Vex Clock$14.99
Vex Clock is a Clockpunk styled action-adventure, where you must run, gun and save the kingdom from absolute corruption. Your choices with who you bond with will shape the final outcome.

Legend of the Moon 2$2.99
-This is retro classic arcade Full 3D shooting game. The player is equipped with powerful, colorful missiles It provides cool action to destroy the pouring enemies.

Distant Space 2$0.99
Distant Space 2 - is an indirect continuation of the first part, in which you will find more dynamic gameplay. Your task is to destroy enemy ships on each level to go to the next of 26 available. In addition to conventional ships, you will have to wait for the boss ships, the battle with which will not be easy.

The Indie Game Legend 3D$9.99
Blast vicious aliens, explore their mysterious labyrinth, and rescue indie game makers in this lighthearted NES inspired first-person action adventure!

Captain Clive: Danger From Dione$2.99
A wave-based horde shooter where you kill aliens while upgrading gear.

Red Laser Z$4.99
Red Laser Z is a FPS shooter with a unique weapon that disintegrates everything with one shot. A space station was occupied by aliens, and it's your job to climb up through 10 handcrafted stages full with secret areas, treasures and wacky NPCs to uncover the weird truth behind the invasion.

Operator8$14.99
An unparalleled alien invasion has overwhelmed the Mining Block Facility on the moon Triton, leaving only death and horror in its wake. You are a mercenary known as Operator8 and you alone have been called in to bring a stop to this fierce attack. Destroy the hive mind at all costs!

Alien Outpost$6.99
Alien Outpost an adrenaline-pumping 2.5D twin-stick shooter places you at a remote outpost besieged by relentless waves of alien invaders

Pier Pressure$4.99
Take flight in one of three unique ships to battle a legion of enemies and massive bosses across a city sky, through a dark cave, along the bottom of the sea, and into a secret laboratory! Confront a buff, flamboyant crawfish scientist to retrieve the Power Pearl and save your job!

Core Alpha$2.99
Core Alpha is an arcade first-person shooter, which is made in the best traditions of old-school shooters. Fight and defeat hordes of zombies, as well as destroy infected cores to fight the main enemy.

Spelldash$4.99
Spelldash is a hardcore FPS speedrunning game where you kill enemies mid-air to reset your double jump and dash to traverse the levels in your unique way

Liquid Space Dimension$0.99
Fly and fight through the vibrant universe of Liquid Space Dimension in this retro-inspired action shooter! As Sid Seaburn, pilot of the Star Drifter, master a wide range mechanics like drifting, laser beams, and torpedoes to get the highest score possible and stop the evil general Ra-Baba!

Kill The Topulus$1.99
Kill The Topulus, shoot with timing and skill to survive! Complete unique challenges, climb the global leaderboards and prove you are the Master of Topulus!

RAILGUN 500FREE
RAILGUN 500 is a pick up and play arcade shooter featuring floods of alien freaks. Master the railgun's systems, manage the enemy horde, and you might just live through it all.

Cryoterror$2.99
A space horror game with retro-like pixelation and dithering effects, where you explore a desolate spacecraft and its mysteries.

A Million Conquests$7.99
Experience the thrill of a shmup game like the arcade classics. With just the right amount of story, lots of action, and many, many bullets.

Woeful Woebots$9.99
Your robot creations have turned against you! As their master you have to destroy every single one of them before they do something strikingly similar to you! Grab your guns from your super high-tech hips and blast your way through their filthy electronic meat!

Space Quest: 2099FREE
BLAST YOUR WAY through the UK's forgotten favourite space adventure: Space Quest 2099!Enjoy combat and movement based on the designs of the Quake 3 engine. Go alone or team up and shoot baddies in cooperative episodes with FULL MOTION VIDEO with SPECIAL EFFECTS!

Captain ToonHead vs the Punks from Outer Space$19.99
Ever wanted to beat a T-Rex up with a chancla, while building powerful towers that shoot piñatas, hot sauce and heat-seeking fireworks? Captain ToonHead is the VR tower defense game of your cartooniest dreams.

Orion: The Eternal PunishmentFREE
Orion is a frantic first person shooter where you fight the void creatures in mysterious planets and advance using your special abilities and gadgets.

Escape from Terror City$9.99
3D Run'n'Gun Arcade-Style Action! Fight the Mechanized Forces of the Argus Empire and Escape from Terror City!

Swarmed: Nuts & Bolts - Non-VR$9.99
In deep space, your robot transport vehicle crash-landed on a barren asteroid. The robots have escaped and are hungry for both revenge and crunchy humans. You are their only hope. Battle your way through multiple waves of rouge robots to avoid being SWARMED in this retro, heart pounding game.