Games like Martian Invaders

Defend humanity's first Mars colony in this fast-paced modern arcade space shooter. Battle asteroid storms, hostile UFOs, complete challenging missions, and master skill-based gameplay inspired by the golden age of arcade classics.

A sci-fi 80s retro shooter and bullet hell. Use your plasma cannon and bombs to repell an alien invasion. Either defeat the alien robots building and upgrading the blocks and turrets - or blow all of their blocks up! 20 straightforward levels.

With your ship, face several exciting space battles, full of shots and powerful enemies. Customize your spaceship by making it more and more powerful and get ready for a space trip that will make your adrenaline skyrocket!

Choose your spaceship and defeat the alien threat that comes from the Moon. Blast your way crushing, ripping apart and exploding hostile aliens that are taking control of powerful weapons and military technology from Earth. Find the entity that controls the threat and make it explode into blood.

The legendary Contra series returns! This reimagining of the classic run-'n'-gun action game from the ‘80s features new stages, new enemies, new play mechanics, and co-op combat for up to 4 players!

The most wicked men that ever lived on earth. Authoritarians, dictators, and tyrants, from Hitler to Stalin, they are all back. Historical Invaders it's a fixed shooter game where you are the chosen one to annihilate the demons of our past and save mankind.

Gunstorm is a space shooter loaded with playability. Wave after wave of alien craft attack your agile ship. Use the mouse to control your ship at the speed of thought in a perfectly balanced game that starts easy and gradually gets more difficult.

The insect swarm is a swarm consists of millions of alien insects, and you, as the only survival on this barren planet, will have to fight against them dauntlessly. Good luck!

Lead a squadron against the Drone invasion in a top-down space shooter with RPG depth. Take contracts across three galaxies, outfit and upgrade your ship, recruit wingmen, and push the story through to the Nexus.

Defend humanity's last hope, pilot a powerful mech, in Frontlines Crisis! A battlefield swarming with insects makes strategic and combat decisions crucial. Each decision will determine your fate. Defend humanity's last sanctuary, fight fiercely, and uphold human honor with wits and courage!

X Invader is an action roguelite where you hack into big corporations' servers. Use add-ons from fellow hackers to defeat monsters. Powerful, cute bosses guard these servers!

Old friends and bitter enemies await as you invade Earth alongside a Mothership full of alien friends! Blast, beam, and bite your way through an endless swarm of enemies as you and up to three of your fellow hominids cause mayhem with a huge arsenal of weapons, mutations, and acrobatic maneuvers.

A mouse-only, endless sci-fi arcade shooter with dead-simple controls — just aim and auto-fire kicks in. Shatter asteroids into plasma cores, wield three upgradeable weapons, freeze time, and survive endless difficulty scaling.

A bullet heaven roguelite set in a procedurally generated universe. Land on planets to harvest resources, craft hundreds of game-breaking builds, and unleash them on relentless waves of aliens. Every run unveils a new universe: endless challenges, endless discoveries.

A science fiction-themed vertically scrolling shoot 'em up game known for its stunning detailed pixel art, gigantic bosses, and a menacing difficulty. From the legendary studio Toaplan, this is quite possibly the most rock and roll shooting game of all time.

Nova Drift distills the mechanical depth and strategy of an ARPG into classic arcade space combat. Control an endlessly evolving bio-mechanical ship, face legions of strange and deadly foes, and ride the wake of a dying star across the void.

BANAN'EM UP! is a tiny challenging arcade shoot’em up where you shoot down quirky aliens to save your planet. Evade bullets, shoot enemies, get upgrades, survive for challenging waves to defeat the final boss, "The MONKE". Die, learn, repeat: get stronger, be powerful!

Help defend Earth's space base from invading enemy aliens in this incredible game to train reaction and aiming skills. Use your entire arsenal of weapons to destroy enemies of various types. Stand up to protect the planet. Best of luck!

Interstellar mayhem! A bounty-hunting cat girl! Funktasmical genre-spanning action! This one has it all — no foolin'!

Load up and roll out, in this twin stick shooter with roguelike progression! Blast your way through arcade-style levels, using pinball-style physics mixed with an arsenal of devastating weapons. Defeat waves of enemy bots, battle big bosses, and upgrade your mech between runs.

Fight giant War of the Worlds -style aliens invading Finland during a Winter in the 90's. Build an army of local townspeople in this chaotic semi-autobattler roguelike. Navigate through different biomes to obliterate the aliens from cosmic dimensions.

Cluckmech Oasis, a top-down shooting Roguelike tower defense game. Play as the Warcluck and lead your team of animal heroes in a fight for survival. Collect, build and upgrade defenses, and engage in intense battle against waves of plant enemies.

UFO 50 is a collection of 50 single and multiplayer games that span a variety of genres, from platformers and shoot 'em ups to puzzle games, roguelites, and RPGs. Our goal is to combine a familiar 8-bit aesthetic with new ideas and modern game design.

In this sideways scrolling shmup, take control of your spaceship and navigate through vibrant pixelated environments filled with hordes of enemy spacecraft. Upgrade your ship and weapons, dodge enemy fire while blasting through each stage. Emerge victorious as the ultimate space pilot!

Overwhelmingly bizarre beauty. Shoot, dodge, and destroy! A shmup where an apocalyptic world awakens to primal desires!

A fantasy shooter where exploration and gimmicks are keys to victory. In a world of meticulous pixel art, uncover secrets hidden in every stage. Collect powerful upgrades, defeat fantasy monsters with precise shooting, and forge the world's fate!

Blast your way through waves of space debris in order to reach what is waiting for you on the other side. Find your fighting style with multiple unlockable ships in this fast paced space adventure!

Look back on the classic arcade games of the 80s. X-teroids is a retro-style, addictive, and fast-paced arcade shooter game.

Westale: Peelgrimage is an ink-style survivor-like game. Player can evolve their characters in the game, use marvelous magical treasures, experience the mysterious 72 transformations, and synthesize artifacts. Let's get into this Journey-to-the-West world and experience addictive combat.

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!

Action RPG Shooter with Base Management elements, featuring AI NPCs. Take charge of an abandoned outpost, explore a lush alien planet, battle fierce creatures, gather resources, and upgrade your base as you develop your character and bring dozens of distinct weapons to bear.

Shrink Assault is a Sci-Fi game featuring a mix of Infinite Runners and Rail Shooter games! Skilfully control your spaceship to dodge obstacles and eliminate the threat! Can you survive?

ARCADE HALL 1980 — step into a neon-lit arcade at the turn of the eighties. Walk the aisle, watch the attract screens flicker, pick a cabinet and play. Six original arcade games under one glowing marquee: racing, shooting, bombing, breaking and digging — with more machines coming soon.

Mow down countless crops and corrupt critters while crafting game-breaking builds! Pesticide Not Required is an action roguelite bullet heaven game with farming sim elements that offers a myriad of stats and special character traits to create wildly diverse run possibilities.

An action roguelite game with alien swarms and mechs. Battle enemies to make your way through a mass of spreading and evolving cells hosting dormant enemies. Collect a variety of game-changing skills and upgrades to create unique builds.

Savant - Ascent REMIX is an explosive shoot-em-up / scrolling shooter, starring an acrobatic wizard on an elevator-ride. Unlock destructive spells & acrobatic moves as you survive through a tower brimming with robotic fiends!

Rocket Rats is a survivors-like game where you defeat cheese-based astral bodies in space – as a rat! Clear waves of enemies, collect cheese, upgrade your gear, and conquer the moon!

You have only 5 minutes to stylishly explode your way through the hordes of corrupted entities in a retro FPS, roguelike liminal-nightmare... and Timmee is here to help!

Choose your pilot and build your own custom mecha with 17+ weapons and 55+ attachments, then jump to the battlefield against hundreds of enemies to save spacetime itself in this thrilling sci-fi bullet heaven!

The Horde is coming, but you're ready to fight it! Assemble your squad, choose their upgrades, and build powerful synergies against thousands of undead. Survive. Then evolve. Then break every limit in this deceptively simple but addictive bullet heaven game.

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!!!

Join the race for Ether! Mercenary Battle Company: The Reapers is a fast-paced, roguelite, bullet heaven game in a sci-fi setting. Choose your pilots, customize and upgrade your Mecha Robots, and survive against endless swarms of Xeni. Will you survive long enough?

A roguelite horde-survival bullet heaven with QUINTILLIONS of bullets over QUINTILLIONS of hordes. Mix weapons with items, modify, control chaos at terminals and break through tightening waves.

Defend humanity's last surviving metropolis from mysterious alien machinations in this challenging base-defense arcade shooter. Featuring rapid upgrade progression, procedurally generated attack waves, dark humor and laser-sharp aesthetics.

TRAXION is a single-player retro cave-flyer where you explore alien caves, solve physics-based puzzles, and tow valuable cargo to the surface with your tractor beam. Dodge traps, evade enemy patrols, and bring your haul home.

A reboot of classic 2D side-scrolling shooters, featuring a new Survival Mode and Workshop system. Fight as a WWII Allied soldier across diverse battlefields with imaginative weapons. Survival Mode brings fresh enemies, epic bosses, and new challenges—relive childhood memories with a twist!

Blast off to the neon glow of the '80s with VNESIS, an arcade odyssey that marries the nostalgia of 2D gameplay with the thrill of a 3D universe! Navigate through more than 15 pulse-pounding levels, each one more challenging and richly detailed than the last.

MULLET MADJACK is a HIGH-OCTANE-ACTION SHOOTER that put you directly inside a CLASSIC ANIME. Pick your favorite weapon and reach the last floor; Beat your best time or try again. Haste makes waste… OF YOUR ENEMIES!

Fight your friends to save your friends in Prism Indigo, a vicious retro-styled bullet hell shooter starring a rookie magical girl.

After centuries of invincibility, it became popular for humans to watch live alien hunting shows, participate in alien hunts, save up money, equipment, and use all the loot you find to move on to new maps and defeat more powerful enemies.

This is a very fast God's perspective roguelike shooter, the player will pilot the mech, explore the alien frontier, enjoy the "Crimsonland + Vampire Survivors (Vampire Survivors)" endless killing!

They have launched an active invasion on our lands in late September this year, so let us break free of the slavic hand that held us by our balls for many ages! Rally all of our reptile militia, we will end this all together! LIZARDS, WE WILL NEVER BE SLAVES BUT WE WILL BE CONQUERORS!

Retro, classic, couch-buddy competition in space! Simple controls make it easy for friends and family to join in the fun!

Fight against rebel robots together with your friends and save planets from invasion....

"Void Breaker" – An incredibly addictive tower defense shooting game!

Ragnarok was just the beginning… of the end! Odinfall is a Viking-themed, rogue-lite, twin-stick shooter. Blast your way through procedurally generated levels, upgrade your character, modify your weapons and take down robotic Norse gods to earn your freedom!

Play the classic STAR WARS™ Battlefront games, online and offline in this definitive collection.

"ReLinked" is a pixelated Rogue-lite Action/PRG in a Sovietpunk setting in which you'll have to fight back against extraterrestrial intelligence and fend off countless waves of enemies!

EMBRACE/CONTROL CHAOS! Mutate your build in extreme uniquely weird ways to nuke this petri dish clean from eldritch germs in a frantic top‑down physics arcade where every mechanic is bizarre and emergent! Use strangest powers like warping walls, hexes and annihilation and be an arcane germaphobe!

Mind controlled cows are headed straight for you. Scavenge, barricade, and defend as long as you can. How long will you survive the dairy onslaught?

They glow in the dark and they are coming to get you. You’ll need to endure the relentless waves of upcoming glowies. Can you survive the night and get them before they get you?

The Galaxy’s Last Line of Offence. Enlist in the Helldivers and join the fight for freedom across a hostile galaxy in a fast, frantic, and ferocious third-person shooter.

COMBINE WEAPONS in the microscopic roguelite turret shooter with macroscopic depth. Survive 6 modes using an astounding array of turrets, perks, mutations and power-ups on this psychedelic journey to the heart of the abyss. Shmup Mode turns it into a vertical shoot 'em up!

A top-down 3D retro sci-fi space shooter with free-roaming mission maps, mouse-and-keyboard and twin-stick controls, and live-action FMV cutscenes. Shoot, bomb, or pick up and drop explosives on your enemies.

Mow down an endless horde of robots, flying through hand-crafted arenas at breakneck speeds in an FPS adrenaline rush.

Defend Mars from humans

You find yourself stationed behind the awesome firepower of a 40mm anti-aircraft fixed deck gun on the bow of a battleship. Your mission is to blast away at the endless onslaught of enemy attackers bent on sinking your battleship.

Battle for survival against endless alien hordes with your friends! The Anacrusis is a first-person shooter that dynamically adjusts difficulty to you. Experience intense 1-4 player co-op action or play as the aliens and stop your friends in 1-8 player Versus mode. Full Steam Workshop support!

"Greedland” is a roguelike game mixed with survivor-like elements. It's reminiscent of Crimsonland and Vampire Survivors, and as the battle progresses your character will become a mobile arsenal of destruction!

Starship Troopers: Extermination is an up to 16-player co-op FPS that puts you on the far-off frontlines of an all-out battle against the Bugs! Squad up, grab your rifle, and do your part as an elite Deep Space Vanguard Trooper to take back planets from the Arachnid threat!

Control a variety of robots and destroy invaders from outer space in order to save the destroyed earth! "GAIA Survivors" is a 'Shoot 'Em Up' type sci-fi rogue-lite casual game with a retro-futuristic worldview.

Time Wasters is a space shooter bullet heaven roguelite. Equip and upgrade weapons, destroy swarms of enemies, and collect Time & Space Cubes to bend the timeline to your advantage.