Top similar games like Paper Nebula:
Paper Nebula $9.99
Paper Nebula is a fast-paced arcade-style scroller, reinvented as a Roguelike! This space shooter will have you blasting through endless waves of alien ships while trying to scout a way out of the nebula. With adorable paper-style graphics and intense gameplay, who wouldn't want to be trapped here?
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GalaxIverse IIFREE
Brace yourself for explosive space battles in GalaxIverse II! This intense multi-directional shooter puts you in the pilot's seat against alien fleets and colossal capital ships.

Gunstorm$8.99
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.

Pink Devil$2.99
Join the fight against alien invaders in Pink Devil. Pilot an upgradable fighter jet through diverse environments, from oceans to deserts. Face unique bosses with distinct tactics and use weapons like machine guns, lasers, and rockets. Become the unstoppable Pink Devil and save the planet.

Void Phantom$3.99
A space roguelike shooter with epic naval battles. Pilot your ship, face ruthless enemies and massive bosses, and customize your fleet with devastating weapons.

ARMED SEVEN$4.99
The year is 1989. 12 years have passed since the Gogoh Army’s invasion of Earth. Exposure to alien technology during the war enabled Earth’s own technologies to take massive leaps forward. International conflict that was previously rife in the history of mankind fell to an all-time low, and the Earth Federation was established as a...

Aliens Go Home Run$3.99
A combination of Breakout, Shoot Em Up, and Baseball, Aliens Go Home Run puts you in the shoes of a young baseball player versus a horde of invading aliens. Play ball!

Space Elite Force$2.99
Gear up for an intergalactic thrill ride! Space Elite Force is a frenzied space-shooter packed with weapon customization and epic boss battles. Take command of your ship and fight for the survival of humanity!

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

Xentron Attack$0.99
Xentron Attack is a multi-directional shooter. The evil alien forces called Xentron have invaded your galaxy and spreading dangerous meteors and missiles in the space. Fight with smart enemies who calculates your movements. Turn your ship precisely and use the borderless space wisely.

Bad Chicken$9.99
Bad Chicken is a retro styled sideway scrolling shoot-em-up inspired by the retro classics. It takes place in 8 locations in the Ferus system, each one with different challenges, and dangers.

Nanoplanet Survivors$3.99
Nanoplanet Survivors is a heart-pounding bullet hell survival game set on a hostile planet. Battle relentless waves of alien foes and adapt with powerful upgrades and unique character abilities. Epic boss fights make every playthrough a thrilling challenge. Can you emerge as the ultimate survivor?

The Battle of Aurinoxia$2.99
A retro space shoot 'em up with pixel art graphics, unique enemies, tough angry bosses, and a killer soundtrack. You are among the first pilots to arrive in the system to mount the counteroffensive against the aggressors. Get out there and show these aliens the price for messing with The Alliance!

Tilebreaker Next Level$5.99
Earth is under attack! Take control and defend the planet in this adrenaline-fueled top-down shooter. Blast through blocks, dodge relentless enemy fire, and face off against formidable bosses. Can you save the Earth in record time? Get ready for the ultimate challenge!

Gravitators$9.99
Gravitators is a twin stick shooter game where you pilot ships and complete mission objectives to secure the future of humankind. Defend the Earth and travel through the galaxy to repel a relentless alien invasion.

Red Sector$9.99
A sci-fi roguelike about a lone pilot on a forbidden mission through his galaxy. Piece together his story as you scavenge to build your loadout in this procedurally generated space shoot'em-up.

Sisyphus Paradox$8.99
Sisyphus Paradox is a fusion of roguelike tactical elements with classic side-scrolling shoot 'em up gameplay. Explore and fight your way across the galaxy as you try to get back home to Earth in this hand drawn indie game.

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!

PinCOL$3.99
PinCOL is an addictive Action 2D Space Shooter, a fast tactical Bullet Hell with Upgrade elements and Special abilities to obtain, the Color Damage Mechanics will drive you Crazy !!!

They came from another planetFREE
A twin stick, fixed shooter, bonus hell, pixel art, shoot 'em up. Aliens have invaded and you, a blue housecat with a stretchy head, are, of course, our last hope. Fight the aliens on earth, under the ocean and in space in this risk/reward based fixed shooter inspired by old school shoot 'em ups.

D.A.R - Deadly Alien Rogues$4.99
DAR is an arcade-style single-screen shoot-em-up inspired by the classics, with some modern rogue-like twists! Pick your character, plot a course through the galaxy, grab upgrades and destroy the enemy! The ultimate goal? Saving the galaxy! Or just getting a really, really high score - your call.

Mercenary Battle Company: The Reapers$4.99
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?

Marimoth$1.99
Marimoth is a short shoot 'em up that puts in control of a moth whose shots bounce off the walls. Calculate your aim, evade enemy attacks by learning their patterns and collect coins to power up.

Cyberscape$4.99
Cyberscape is a top down round based action game with some rougelike elements. Play as different heroes with unique abilities and fight against the evil robot army. Level up and complete achievements to unlock new items and fight your way through different locations.

Shooting Blaster Big Bang Boom$4.99
Are you gonna shoot? YES! Are you gonna blast? YES! Are you gonna make a big bang? YES! Are you gonna make a big boom? YES! So what do you get? Shooting Blaster Big Bang Boom! Come have some fun, it's Good Time time!

Last Encounter$14.99
Last Encounter is a twin-stick action roguelite in deep space following a group of heroes trying to prevent the unavoidable by cloning their ships and designing their weapons with swappable components.

Level Tank$4.99
Blast your way through the endless swarm of enemies and live for as long as possible in this fast-paced, top-down shooter. Upgrade your tank, collect power-ups, and activate abilities to help you survive on a variety of maps in various game modes. How long will you last before meeting your demise?

Attack of the Karens$4.99
Attack of the Karens is a roguelite bullet hell shoot 'em up that focuses on difficult multi-phased boss fights, all against the backdrop of the "Karen" meme. Piloting the Manager X-15, embark on a mission to rid the world of evil cyborg Karens and save your city from entitlement forever!

Project AETHER: First Contact$12.99
As a threat from beyond looms over the solar system, take control of the AETHER prototype in this rhythmic and tactical space shooter - fusing classic arcade-style action with stunning 3D environments and an engaging sci-fi story.

GUNPIG: Firepower For Hire$0.99
Sci-fi top-down twin-stick shooter with 9 weapons, 3 alts and secret hidden collectibles!

Vostok 2061$9.99
Vostok 2061 is a modern-graphics vertical scroll shooter. Gorgeous alien worlds, spaceships, and bosses. Explore mysteries as you listen to a great soundtrack!

ARRIVAL: ZERO EARTH$5.99
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.

Primit Shooter 2$3.99
Primit Shooter 2 is a roguelike shooter set in a universe where cute but dangerous aliens spawn from the Eye Tower. Players must develop their character, pick suitable weapons, and brave through consecutive waves of alien challenges, combining action and strategy for a thrilling experience.

VOXEL Hunters$5.99
Fight, die, repeat! VOXEL Hunters is a top-down roguelite arena shooter. Enter small, fast-paced arenas where you must eliminate all enemies. Engage in quick, action-packed missions, experiment with powerful abilities and augments, and unlock unique cosmetics to customize your appearance.

NIMRODS: GunCraft Survivor$9.99
Assemble a limitless arsenal in this survive-em-up roguelite shooter. As a Gun Manufacturer's testing force, your mission is simple: test the latest gun tech and scavenge alien planets. Collect insane weapon parts to invent crazy guns that slay thousands. You may not survive, but your guns will!

Farm Wars: The Farmer´s Wrath$0.99
When alien beings decide to invade and conquer Earth, they don't expect such a powerful enemy: A very angry farmer, join him in the battle against dangerous and lethal aliens and win back the farm that is rightfully yours.

Space Yugoslav 2D$4.99
Horizontal old school 2D shooter where you play as a bounty hunter named Nada. Survive another night at your very risky job, save the space non-alignment colonies from police raid and get back home at one piece alive! 7 levels, loads of new-retro-feel SHMUP fun!

Escape From Inferno$1.99
Escape From Inferno is a top-down shooter where you play as an angel named Lordrid to escape Hell. There are 10 stages and your goal is to survive the hordes of enemies until there are none left.

Append$4.95
Destroy friends, strangers, or bots in this online multiplayer arena shooter. Collect powerups, combine weapons, build your defenses and obliterate the opposition. Hundreds of weapon combinations and multiple game modes.

PangaroidsFREE
Destroy the deadly bouncing orbs for the highest score in this Pang meets Asteroids arcade blaster.

Breach the Abyss$4.99
A sci-fi wave-based shooter with roguelite elements. Collect powerful upgrades and unique combinations to wipe out hordes of bloodthirsty creatures and make your way into the Abyss.

TETRAGUNFREE
TETRAGUN is quadrant-based shooter where you're surrounded on all sides. You'll gain powerful upgrades as you progress, but so will your enemies.

Starfighter Aces$4.99
Massive battles rage in the stars! As a new pilot in the Allied Starfighter Corps, help turn the tide against a ruthless enemy. Hundreds of ships struggle to achieve victory in huge, team-based missions. Shoot down fighters, torpedo star cruisers, and duel famed enemy aces!

SPACE BLASTER 8 BIT$0.99
They have briefly left by your ship in an asteroid Hagel theirs. Now you have landed to hostile area. Now you must only survive.

ARMORED KITTEN$4.99
Awesome side scroll action about Cute and Deadly Kitten with a double shotgun!

Endless Engines$4.99
Endless Engines is an endless roguelike dungeon crawler where you play as a bandit aboard the Endless Engine, a never-ending train that travels through time and space.

RATTUS$0.99
Play as a Rattus, a psychic rat capable of summoning meteors and altering the fabric of time. He decides to fight some birds. Can you help him survive?

Crystal Comet$9.99
An old-school chaotic twin stick space shoot em' up. You are not the hero - you're part of a squad! - Play single player with the AI or drop in / drop out local co-op!

Demeter$7.99
An arcade twin stick shooter that tests reaction times and decision making. Designed for short sessions on the train with your Deck, or waiting for the next queue to pop, Demeter is all about action, skill and high scores.

Bit Blaster XL$0.99
A throwback to the classic quarter eating arcade games of the 80's. Bit Blaster XL is a retro styled, addictive, and fast paced arcade shoot 'em up! (shmup).

Super Bit Blaster XL$2.99
A SUPER throwback to the classic quarter eating arcade games of the 80's. Super Bit Blaster XL is an (even more) enhanced version of the retro styled, addictive, and fast paced arcade shoot 'em up!

PARA♰BELLUM ~ 魔弹帕菈$2.99
Necromancer's army is gathering! But he can't afford Necronomicon Prime so his army can only use free medieval equipment set... We believe that one battle sister can solve them well. Go Forth, Sister Para, Blast your enemy in this survivor-like shooter game!