Top similar games like Space Mercenary Defense Force:
Space Mercenary Defense Force $4.99
Defend against the alien invasion and take down the mother ship! Utilise branching upgrade trees, unlock new ships, and equip permanent upgrades to create your own unique build and defeat the growing hordes of invaders in this sci-fi action roguelike!
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War in Space$1.99
War in Space is a retro style arcade shooter where you battle waves of unrelenting enemy ships with a whopping 81 levels and over 50 technologies available in the tech tree to keep you challenged right until the final wave.

R-Lyke: Reverse$1.99
Side-scrolling, retro 2D shoot'em'up with rogue-lite elements. Survivors-style game.

Pixel Descent$5.99
Pixel Descent is an action rogue-lite in which you navigate a series of complex dungeons packed to the brim with monsters that want you dead. Sign the contract and descend into the deepest depths of the abyss knowing full well that you will definitely die there, it's just a matter of when.

#Funtime$14.99
#Funtime is an explosive twin-stick shooter where shooting isn't your only weapon. Swap your ship's color to destroy enemies, avoid damage, and ultimately control the battlefield.

Asteroids Millennium$7.99
A modern spin on an old classic! Asteroids Millennium provides exciting new game play without departing from the feel of its predecessors. Collect power-ups, dodge threats, and blast away at asteroids and enemies alike in this survival game that is truly fun to play.

Steam Marines$19.99
Steam Marines is a squad based Roguelike set on a steampunk spaceship. It features tactical play focused on positioning and careful use of resources. Built to keep you on your toes as you progress through the decks of your besieged ship while clearing enemies and trying to reach each level's elevator.

HullbreakersFREE
Hullbreakers is a space arcade game with fast paced combat, quick maneuvering, and strategy. Use an ever-evolving spacecraft to wipe out endless hordes of enemies and relentless bosses in order to make your mark on the leaderboard.

Space Killer$7.99
Take on the role of a spaceship pilot and protect the universe from an alien invasion. Destroy hordes of infected ships and defeat powerful bosses. Unlock new ships, create your own builds in this Roguelite, Survivors, RPG gameš

Cycle 28$3.99
Cycle 28 is a classic arcade space combat game where you have six minutes to beat your high-score. Simple controls, powerful upgrades, and intense dogfights. Perfect for when you just need to switch off and shoot something. See you on the scoreboard!

RymdResa$11.99
A relaxed roguelike space odyssey in a procedurally generated universe! Travel through a lonely and mysterious cosmos. Customize your ship, explore and survive!

Vortex Attack EX$9.99
Galaxy is in danger with hostile ships swarming from the opening vortex. Blast enemies with huge variety of upgradeable ships. Frantic arcade shooter featuring world leaderboards and fun multiplayer mode will keep you playing until all ships are unlocked; galaxies saved. WARNING:VERY_ADDICTIVE

Devastation - Annihilate the Alien Race$2.99
Devastation - Annihilate the Alien Race, is a 2D, dual stick shoot em' up, bullet hell, arcade game. Tear up hordes of aliens with skill based game play, bombs & upgrades to obliterate everything!. Gun down 11 massive bosses, bank insane score on the leaderboards & overcome clouds of enemy fire.

---Red---Tether-->$12.99
---Red---Tether--> is an action-packed ācombat-puzzleā roguelite. You will tear apart massive space fleets, using nothing but your advanced tether harpoons. Pull and crash ships into another, rip their components off, then grapple-swing your way out of danger.

A Blast From The Past$5.99
A Blast from the Past is a stunning, classic arcade shooter. Includes gameplay modes for the casual gamer through to "Tournament Mode" for Hi-Score hunters! With 4K/360Hz+ support, experience smooth as silk gameplay in this dazzling arcade blaster with something for every arcade-going fan!

Convoy$14.99
Convoy is a tactical roguelike-like inspired by Mad Max and FTL in which you cross a wasteland in search of parts for your broken ship. Presented in pixel art and set in a future post-apocalyptic setting, Convoy is a squad based tactical combat roguelike-like in its core.

Chaos Brigade$0.99
Chaos Brigade is a 2D arcade shooter where you control a team of six space exterminators and lead them in the ultimate space cleanse. Wipe out the enemies with your arsenal, but don't overdo or you'll risk destroying the spaceships you are meant to save!

Terminal Breach$4.99
Terminal Breach is an action rogue-lite twin stick shooter where you gun down countless waves of creatures, choose upgrades to create powerful and unique synergies and unlock a variety of characters, weapons and levels.

Hive Jump 2: Survivors$6.99
Become an agent of vengeance in this bullet-heaven action roguelite! You are the lone survivor of your squad, on an alien planet with just your weapon, a jetpack, and the courage to keep fighting. Kill off alien swarms and transform their valuable guts into explosive upgrades and vital utilities.

Star of Providence$14.99
Star of Providence is a top down action shooter with procedurally generated elements. Explore a large, abandoned facility in search of incredible power, fighting dangerous foes and gaining new weapons and upgrades as you progress.

Escape the Kreegan$4.99
Escape corruption and deliver truth to the people in the only way you know how. as a space fighter pilot! You steal a ship and flee, it falls to you to duke it out in space and deliver truth to the people. Restore peace. Restore justice. Save humanity and Escape The Kreegan!

Redshift$3.99
Craft and upgrade the ultimate ship and survive an onslaught of enemies in this top down, rogue-lite shooter.

Chorus of the Night$1.99
Fight through hordes of burnt CDs, flying TVs, and faceless suits in this frantic, run-based, twin-stick shooter. Forget firing bullets, though - you'll be flinging vinyl records, throwing drumsticks and swinging guitars to fend off the enemies of music and maybe, just maybe, survive the night.

Downcave$2.99
Downcave is a Rougelite 2D Platformer. Descend as far as you can down various caves and encounter more enemies the deeper you go. Gain power from various artifacts and use your weapons to fight hordes of monsters.

Elemental Survivors$4.99
Grind, die, upgrade, repeat in this auto-attacking roguelite/RPG! Transform into an enemy-blender with your fave attacks made devastating with equipment, party members, and elemental evolutions. Survive to earn gems to unlock areas, permanent upgrades, characters, and god-like summons.

Null Vector$4.99
Trade. Gamble. Fight! Test your arcade chops in Null Vector, a twin-stick shooter rogue-lite. Discover and experiment with thousands of weapon combinations, take strategic advantage of machines to trade and gamble for new ship parts, and unleash your own bullet hell upon the Final Boss!

Mission Andromeda$1.99
Escape from Earth! Navigate procedurally generated levels using your trusty Jetpack and Laser rifle, gather precious Ores to trade and Biomass to fuel your ship "Mole-1" on it's way to the final destination, Andromeda!

GhostGame$7.99
GhostGame is the roguelike bullet hell game that puts your hand-mouse coordination to the test. Fight through hordes of enemies, gain powerful skills, acquire companions and defeat bosses to accomplish your ultimate mission.

Dungeon Core$11.99
Dungeon Core is a roguelite top-down shooter where you get to explore the sewers and beyond to ultimately reach an old underground research facility. Old nuclear waste has caused dangerous mutations in creatures due to a failed experiment. You set out to destroy the abandoned nuclear core.

Cats vs Cthulhu$1.99
Cats vs Cthulhu is a casual survivor-like where you play as a cat the Destroyer of the Great Old Ones. Arm yourself with yarns, fruits and other delicacies. Dress up in the most stylish outfit possible. Find a way to become the ultimate weapon.

Half Hour HexagonFREE
Obliterate a never-ending horde of enemies while you attempt to reach the 30 minute mark. Race to earn XP and level up to gain new items and opportunities for each run to become stronger than the last.

Plains of Havoc$8.99
Decimate endless hordes of enemies across the nine realms of Yggdrasil for eternal glory! Plains of Havoc is a fierce 2D top-down roguelite set in the Viking afterlife in which you fight for your rightful place on the global leaderboards.

Genome Guardian$11.99
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!

Fabric Of Reality$6.99
In this game, you are the bullet hell. Face off against 100 waves of enemies and bosses by collecting a deck of attack cards that activate in real-time to unleash destruction upon everything in sight. There's an insane amount of customizability leading to an infinitely replayable experience.

Cozy Space Survivors$2.99
A cozy time survival roguelite in space. You steer the shippy while the shooting happens automatically. Meet cute NPCs, solve small quests, and fight quirky enemies with satisfying weapons. A shorter experience for people who don't have much time but love playing (and finishing) games.

Periodicity - Hats and scars$2.99
Survive against hordes of monsters. Equip different weapons with unique abilities. Forage for materials to rebuild a destroyed town. Upgrade your gear for maximum damage.

Beats of Betrayal$11.99
Beats of Betrayal is an adventure game with roguelike mechanics and rhythm-based combat. Explore dungeons, gain skills and grow stronger to defeat challenging bosses and unlock the secrets surrounding the 'Power of the Waves'!

Operation STEEL$9.99
Operation STEEL is a roguelike shoot-em-up rendered in hand-drawn art. Blow up loads of enemies, destroy huge bosses, find weapons, and upgrade your load-out between levels. Combat the electronic legion across 20+ procedurally generated levels!

Starlight: Eye of the Storm$7.99
SHOOT 'EM UP!Starlight: Eye of The Storm is a 2D Vertical SHMUP set in a 3D background. Unleash your special powers, upgrade your weapons! Take on 10 Arcade stages or 15 Campaign missions! Drift (auto-pivot mode) behind your enemies and take them on with style!

Operation Zeta$9.99
The great battle codenamed 'Operation Zeta' has been lost. Your ship is in shambles and you have to act quickly to collect all of the parts and repair your ship before the warzone is completely destroyed by the enemies death laser in this space rougelike.

20 Minutes Till Dawn$4.99
20 Minutes Till Dawn is a survival roguelite where endless hordes of creatures lurk from the dark. Craft an array of overpowering builds and eradicate waves of Lovecraftian nightmares. Will you be able to survive the night?

Exodemic$4.99
Destroy aliens, dash between planets, and buy powerful upgrades. Exodemic is a compact roguelike that combines frenetic shoot 'em up gameplay with a procedurally generated overworld filled with vendors, trading hubs, and combat encounters. Race against the clock to save the human race.

Discvivors$2.99
Discvivors is a timed survival, bullet hell, roguelite game which grows more intense over time. With more RPG style progression and unlocks than most games of the genre, permanently improve the classes you want and unleash hell on your enemies to become the ultimate survivor.

Entomophobia$4.99
Unleash Mass Insect Extermination! Entomophobia is a casual Bullet Heaven with rogue-lite elements. Slay bugs, amass upgrades, and escalate your power against the swarms. Crush, upgrade, dominate ā the insect reign ends with you!

Run Build Pew!$2.99
Youāre being Bounty-Hunted! Run, Build your ship piece-by-piece and make it work with the parts you find, Destroy outposts and waves of fleets, and Pick your battles carefully to overcome your hunters in this Fast-Paced Top-Down Action Roguelite Shooter.

Little Robo Climber$4.99
Little Robo Climber is a 2D action arcade platformer. You'll ascend the procedurally generated ship avoiding traps and enemies. No checkpoints or bosses. Just climb to the top... Oh and look out for the fire.

Robot Resistors$0.99
Robot Resistors is an irreverent robot-themed auto-shooter with a 16-bit style. Each of the over 100 enemies you face is distinct, with unique abilities and hand-pixeled animations. A huge roster of playable characters, tons of weapons, and five wildly different procedurally generated stages await!

Void Blitzing$5.99
Get ready for the ultimate space challenge! In this top-down action roguelite youāll pilot your ship through a low-gravity environment, dodging obstacles and fighting enemies along the way. But be careful, one wrong move could mean the end of your journey. Are you ready to take on the challenge?

Rogue Survivors$1.99
Rogue Survivor is a casual top-down shooter game where you try to survive as long as enemy waves finishes. Choose different heroes and different skills to make better builds.

Power Gunner$0.99
Gun your way towards survival in this action arcade adventure! Use your fuel supply to find upgrades to your ship and collect more fuel to keep progressing against harder and harder foes! Classic arcade action with a unique control scheme to pilot your ship.

SATAZIUS$5.99
The year is 2051. Location: SATAZIUS, a long-abandoned planet. The cruiser Agano was on patrol when it was attacked and stricken by a confederacy of space pirates that had established a base on SATAZIUS. The pirates attacked the Agano intending to steal the assault ship āTrafalgarā that was stowed aboard the Agano, but the Trafalgar made...

Pilots Of Darsalon$4.99
Your job is to locate and transport the containers to your base avoiding enemies on your way. Your ship is equipped with a hook to carry the containers. This is a physics based arcade game, inspired on the very early classics and with a strong Commodore 64 feel on it.