Top similar games like Space Demon Combat Tactics III:

Break the laws of physics, dash and shoot your way through levels full of hazards and machines gone rogue. In this retro game, you control Project Gravity Storm, an advanced machine able to control gravity itself; however, the mother computer will not make things easy for you.

Sanctum Arcadia is a game where you must fight your way through increasingly dangerous zones filled with enemies, hazards, and mystery. Sanctum Arcadia has a unique but still familiar progression system, challenging and engaging combat, all in a smooth Arcade-like experience.

Join Captain Rijk as he attempts to escape from the clutches of one of the most villainous species in the galaxy. Help to uncover the horrors that are being carried out on the fringes of the civilised galaxy and become the divine being prophesised to inspire an uprising and destroy The Domain.

A linear danmaku shoot-em-up with some visual novel elements. Clear 6 stages across 4 difficult settings, each with unique enemy spawns, bullet patterns and boss phases. The game is structured to have each difficulty cleared in sequence, with the full plot unfolding across each one. 

Frenetic 2D action in the style of Space Invaders! Customize your spaceship, face hordes of enemies, and challenge yourself in multiple modes, including Campaign, Arcade, Invasion, and Survival. Upgrade your ship, collect power-ups, and face unique challenges in every battle.

A top-down action game like no other. Use asteroids to block enemy bullets and smash enemy ships in this physics-based test of skill. Conquer 25 levels, vanquish 5 bosses, and maneuver through 5 tricky bonus waves.

Space Adventures 2 in 1 is a collection of arcade-style space shooter games taking inspiration from classic arcade games. Both game modes focus on quick movement and reflexes, maintaining a retro-like feeling, featuring cartoonish sprites and sounds, and are designed for short, replayable sessions.

Cosmoscope is a top down twin stick shooter with a twist. The game combines the frantic action of classic space shooters with unique kaleidoscope inspired gameplay. Tasked with defending Humanity against a mysterious alien race, you will need to use both firepower and your quick wits to survive.

Pewt 'em Up! is a retro inspired arcade space shoot 'em up with lots of upgrades, achievements, extras and more.

It's time for a change in perspective! Explore an adventure full of tricky action and puzzles in this third-person and top-down shooter hybrid!

The Rush is a horizontally scrolling shoot 'em up with graphics inspired by classic space shooters of the MSX. Buckle up and see if you have what it takes to master the highly adaptive Chameleon Quartz space fighter and single-handedly obliterate the alien invaders!

Solo Defender is a fast-paced vertical space shooter where you battle waves of enemies, unlock upgrades with Gems, and face epic bosses—including a drone-spawning Mothership. One life, multiple planets, and a secret level await. No ads—just pure arcade action.

Battle against other crabs with time tested arcade action! Form galactic partnerships and starlight rivalries in the story mode, or battle against other players locally with more than 20 unlockable crabs- some strange, many powerful.

Dodge and shoot your way through waves of enemies. REVO is a high speed, neon drenched space shoot ‘em up inspired by arcade classics of the 1980’s. Collect pickups, unlock powerful, ammo hungry weapons, and defeat giant bosses.

Rebel Galaxy is a swashbuckling space adventure, with action-packed combat, exploration, discovery, trade, and “negotiation” with the outlandish denizens at the edge of the known universe.

Impact Trial: First Encounter is a exciting mix of bullet hell and narrative adventure in a retro sci-fi world. Face waves of enemies, make story-affecting decisions, challenge yourself with various difficulty levels... and more secrets. ¡Your story, Your choices!

In this sideways scrolling shmup, take control of your spaceship and navigate through vibrant pixelated environments filled with hordes of enemy spacecraft. Power-up your ship and weapons, dodge enemy fire while blasting through each stage. Survive the onslaught and emerge victorious!

Using a powerful weapon and raw skill, can you take out an entire space pirate fleet? Harken back to the era of old browser games in this fast-paced bullet hell shoot 'em up where stages change based on objectives cleared!

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!

Top-down arcade space shooter with retro pixel-art style. Fight waves of alien invaders across world landmarks, buy upgrades between battles, collect power ups, participate in events & missions, defeat epic bosses, and more.

A vertical space shooter about a combat pilot who must break through an enemy armada and warn their homeworld. Maneuver through hostile fire, battle commanders and bosses, upgrade your ship, and assemble powerful equipment synergies.

AREA WARS™ is a fast-paced 2D omnidirectional shooter where you battle enemies from every direction in a constantly changing enclosed area. Defeated enemies trigger chain explosions that engulf nearby foes and boost your score multiplier. Built for short, repeatable runs with score-focused gameplay.

INSPACE 2980 is a stylish and dynamic SHMUP from the 16-bit era of games consoles and arcade machines. Take part in an exciting adventure and save the galaxy! Once again!

A fast-paced roguelike space shooter where every credit counts. Fight through dangerous sectors, upgrade your ship mid-battle, and convert your earnings into permanent power. Because when you die, you keep what matters.

Pilot a starfighter in Frontiers Reach. Fight through an interstellar war and customize your way through a retro-futuristic space combat campaign.

Repel extraterrestrial entities!

In 1985 N.O.M.A.D. pushed the boundaries of what the 8-bit computers of the day could achieve with both their graphics and their gameplay. A fast-paced, all-out action shoot ’em up, this retro classic still retains a fan base to this day.

Grab the fate of all life in your hands. Blast your way through the cosmos, destroying monstrous cosmic beasts and the space cultists summoning them, on your path to stopping your mother from unleashing the chaos realm upon the universe, in this sci-fi cosmic horror bullet-hell, STARR RINGER.

"Don't go to GALXAGAR"; a phrase uttered by many who have traversed its rim. Untold treasures, and terrors, await within its blackened depths. Ready your craft, spacefarer, because you're about to enter the most dangerous sector in all the stars. Get ready.. for GALXAGAR!

Brace yourself for an intense bullet hell experience! Fight your way through challenging levels, defeat bosses, upgrade your weapon and get the highest score!

Dive into Starwulf's unique blend of brick puzzles and space shooter action. Explore diverse planets and star systems, unlock special missions, and upgrade your ship. Can you save your home planet? Casual subgames, included to the demo version, offer endless fun.

Blast aliens to pieces and start a rebellion in this fast paced pixel art top down shooter where sprinting kills.

Katalyst is a 2-D Space Shooter for the people who love and grew up with Space Shooters! Guide the Hero on his journey to defeat the evil aliens threatening civilization! If you like dodging bullets, precision shooting, and only being able to move in 8-directions, then this game is for you!

High speed arcade shooter built in the style of a lost 1980s vector game. Fight across looping battlefields, defend ground installations and survive relentless waves of enemy attacks!

Astral Horizon is a first-person space opera adventure featuring combat with six degrees of freedom. Give orders to your squadmates and find creative ways to approach combat in zero-gravity. Explore epic sci-fi locations as you fight a war to uncover a perspective-shattering discovery.