Top similar games like Olbers Paradox:

They’re back! And this time, they brought backup. Blast your way through waves of vengeful aliens, dodge their bullets and cosmic insults, and defend our solar system in this retro-inspired arcade shooter.

Immerse yourself in this Vertical Shoot 'Em Up 80's Style Arcade, with unique Graphics & Sound. The game includes Ships, Missiles, and Special Weapons upgrades. Shoot enless waves of Viruses, Amoebas, Spores and Bosses. Protect the Containment Wall, do not let the Exuoa virus through.

Welcome to the world of Polygun, an endlessly customizable hero shooter where you battle against an ever increasing hoard of bloodthirsty shapes! With an array of upgrades to choose from, you'll quickly build from humble beginnings into a hexa-bustin killing machine!

Protecting Us From Incredibly Worrisome Extremely Hostile Oddities...is what you will be doing with your football! Defend the Earth from the invading disciples of the Deranged Octopus, and learn the ultimate secret of the Universe.

Resurrection Core is vertically scrolling Bullet Hell Shoot ´Em Up game. It honors the arcade classics but also adds modern touch and unique game-play mechanics to the genre. Master the unique weapon systems and resurrect enemy cores to become the ultimate fighting machine!

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.

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.

Grav Blazer is an arcade space shooter with a focus on fast paced action. Skill based firing mechanics, rotational controlled power attacks, increasing level difficulty, and endless procedurally generated levels are some of the features players will experience.

Captain a starship in a thrilling 2D shooter, dodging asteroids across galaxies. As you journey to Axios Station, each galaxy's challenge intensifies. Can you navigate the cosmic gauntlet?

CoreShot is a classic arcade style space shooter, where you pilot the spacecraft HonestWing to destroy the cores of evil. As you soar through enemy spacecraft, psychic pyramids, and grim castles, you will be tested against enemies with a variety of attack styles and epic boss battles. Blast away

Beyond The Space Wall is a story-driven brick-breaking action game, enriched with RPG elements and other original features. In addition to the usual brickbreaking, you’ll face plenty of choices and side quests that directly influence the direction of the main story. Can you find the path to victory?

A 2D bullet hell plane shooter game with a creative twist in gameplay—instead of shooting down enemies, pick a matching color and swipe them.

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!

CORA (Counter Offensive Rapidfire Automata) is a singleplayer/multiplayer top-down shooter created by Empty House Games borrowing inspiration from other arcade top-down shooters.

Fast top-down space shooter with varied missions, relentless enemies, powerful ship upgrades, and most importantly, fire.

Arcade Forever is a 3D vertical space shooter. This is an action game in which many enemies, obstacles and different weapons guarantee great fun. If you like fast space action, this is the game for you.

Control an ancient dragon in an epic escape through the skies! Destroy jets, zeppelins, and warships in a fast-paced shoot ’em up with magical powers, colossal bosses, and a retro techno soundtrack inspired by 80s arcade classics.

Good old fashioned 2D arcade fun with tons of upgrades and fast paced action where taking risks is rewarded with a higher score. Defend humanity's last source of energy wrench in one hand, laser gun in the other

High-speed shmup where survival meets rhythm. Evade waves of enemies to pounding drum and bass soundtrack. Compete globally or battle friends in co-op/PvP. Customize your ship, perfect your run, and claim your spot on the leaderboards.

Grav Blazer is an arcade space shooter with a focus on fast paced action. Skill based firing mechanics, rotational controlled power attacks, increasing level difficulty, and endless procedurally generated levels are some of the features players will experience.

X-Force Under Attack brings back all the charm of shmup games from the 80's/90's. It's a frenetic and chaotic space shooter with insane battles against extremely difficult bosses.

Clear hordes of cosmic critters in this simple 2D shooter but be carefully, bullets that exit the arena will warp behind you and become dangerous to you ship. Whatever goes around comes around.

The Space mission center has ordered you to fly into space and find a new planet. New planet will bring a new possibilities to humankind. The flight won't be easy! The universe has many alien groups that want to stop you.

Space Survival is the next great SIMPLE 2D casual space action shooter where you have to defend against wave of enemies, have fast reflexes and strong will to win. It is great way to relax, but also a great challenge. How long can you stay focused?

Shoot your enemies and try not to let them multiply themselves and turn the game into a chaotic space battle! Space Maxwell is an arcade shooter where your spaceship has the ability to destroy or to multiply your enemies. Climb the leaderboard and try to survive as long as you can!

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.

Do you love money? You’re the newly appointed CEO of Vostok Inc. As a greedy, space-capitalist your ultimate goal is to make as much as you can.

Defender's Squad is a sci-fi vertical scrolling shooter 2D that combines 7 different levels. Play Solo and pick one of the 3 ships to kill enemies and save the earth from aliens.

Alien Wall is a powerful genre mix between a brick breaker and ‘shoot em up’. Modern retro Arcade fun at its best!

Ore & Ordnance is a Retro styled, Sci-fi, Bullet Hell. Survive endless waves of Pirates, Asteroids and Firestorms. Collect upgrades, complete missions and survive your shift! How long will you last?

A reinterpretation of retro games like Space Invaders and Galaga with a modern twist. Battle through planetary sectors using elemental abilities that combine for powerful effects and make bosses vanish.

A color matching space shooter about saving your home planet from total destruction!

Welcome to an epic world of endless carnage, where you battle alien foes at lightning fast speeds, and engage in mind meltingly epic boss battles. Immerse yourself in a beautifully hand crafted world, with visually stunning top down graphics and unlimited action packed levels.

An alien menace has descended on Earth! Defend the world from UFO invasion in this superb arcade shooter from Qute. Use your weapons effectively, deflect enemy bullets with your shield, and recapture the Moon from alien infestation!

Boom Buddies is a fixed-position bullet hell survival game where animal heroes face endless enemy waves, upgrade weapons through card choices, unlock new characters, and compete on global leaderboards.

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.