Top similar games like Nebula Invasion:

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!

Orbital Survivor is a physics-based roguelite arcade space shooter. Forge your path to free the galaxy from the Necromancer’s hordes. All set in a synthwave fantasy universe.

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!

Shmup. Unlock. Customise. Experiment. Upgrade. Basilisk. Petrify. Easy.

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 colorful twin-stick shooter inspired by 2000's-era Flash games, survive several waves of uniquely deadly enemies with your wits and skill. Choose wisely from a tree of upgrades after each wave to refine your strategy and bring down your foes. Live to see what lies at the end of the horde.

To bring you the old school 2D space arcade feeling in a modern look and feel. Whether you like the hard core style of the old days, or you have become the more lay back type, shoot your way home at the fun rate for you. Upgrade your ship on the way home, to get ready for the final battle. Have fun!

A short space shooter game that you can finish in your break time with beginner-friendly gameplay and some special features.

Metal Head Warfare is one of the best fast-paced shooting games in 4K and 120 FPS, modern and with wonderful graphics, where players collect super powers and become increasingly powerful to defeat chaos and evil in a world on the brink of the abyss.

Turn the incoming swarm of deadly bullets into your own weapon of chaos in this precision STG bullet hell. Grab and toss enemies, dodge and deflect torrents of bullets, and reshape the battlefield with explosive chain reactions.

Nebulock is a short bullet-hell game with intense gameplay, where the player must destroy bosses made of blocks, collect resources and upgrade his spaceship.

You've escaped from the galaxy's most secure space prison, and now there's a bunch of angry lawless chasing you. You must survive, fight for your freedom, and outrun these grumpy pursuers. Asterobits delivers a relentless (and slightly absurd) escape in an arcade-style roguelike space shooter.

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.

Star Jet Alpha is a top-down space shooter inspired by classic arcade games. Progress through each stage by blowing up enemy space stations while avoiding or destroying enemy missiles, space mines and asteroids. Unlock Star Jet capabilities by completing stages.

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.

"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!

Take control and annihilate every invading enemy and stronghold! < STRECT > is a score-attack vertical shmup supporting 1-2 players. Featuring pure mechanics that emphasize destruction and dodging, satisfying explosion effects, and deep hidden secrets, the fight awaits you.

Retro arcade shooter inspired by classic 80's games Fast-paced side-scrolling shoot ’em up with looping battlefields, relentless enemy waves, tactical shields, power-ups and hyperspace jumps

Fight through waves of enemies across shifting arenas, buy upgrades between stages, invest in new ships, research permanent upgrades between runs, and compete on the global leaderboards in this blood-pumping twin stick shooter.

Stellar Space is a new take on a classic arcade game with a modern, rogue-like, form for new players to enjoy!

Cosmic Zephyr DX is a fast-paced 3D bullet hell game, where you duel with angels as you soar through space.

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!

Join the endless arena battle. Select your pilot, upgrade your ship, upgrade your guns, upgrade your drones. Fight, upgrade, die, repeat.

Escape the Maze of Malice in this frantic 2D top-down shooter!

Sidescrolling Shoot’em’up that will transport you back into the 90s (and space).

This is a retro space shooting game, where you only fight against the strongest enemy. There are 15 unique bosses in the game, and players need to use different weapons and strategies to defeat them. Dedicated to you who are both challengers and retro game lovers.

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.

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.

Arcade-inspired shmup action where neon vector caverns explode with modern visuals, dynamic music, weapon upgrades and intense score chasing.

Destroy enemies, bosses and everything you see ahead!! Get crystals to buy better starships and get stronger. Have fun in three different game modes.

Umbra Galaxy is a sci-fi shoot'em'up where you pilot a spaceship adrift in the restricted space filled with enemies. Destroy enemy generators, fight your way to the bosses and secure the obscure goal in the end!

C6: Frontlines is a bullet hell co-op roguelike where only YOU (and your friends) can bring the Azapall galaxy to peace. Wield 30+ weapons and gadgets of mass destruction to even the playing field, wave after wave, against a seemingly endless onslaught of evil!

Throst is a 2D-retro-arcade-action adventure about precision flying under constant gravity. Dive through tight tunnels, outmaneuver and destroy defenses. Grab the enemy’s energy orbs, and blast your way back to orbit before you’re crushed or shot down.

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.

Dodge, dash, and blast through five handcrafted worlds in a fast pixel-art arcade shooter built for score chasing, boss fights, and perfect runs. Free demo available.

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.