Top similar games like Paper Nebula:

Rocket Rats is a survivors-like game where you defeat cheese-based astral bodies in space – as a rat! Clear waves of enemies, collect cheese, upgrade your gear, and conquer the moon!

Delusional is a chaotic top-down roguelike shooter where you battle absurd enemies with hundreds of ridiculous weapons, all in a desperate bid to defeat the eccentric artiste who created you.

Prepare for an interstellar showdown like no other in a gripping roguelike top-down twin-stick shooter set in the vast depths of space. Pilot your advanced starship, engaging in relentless battles against hordes of alien adversaries. Destroy, Collect, Upgrade, Die, Unlock, Repeat.

Survive 15 minutes of neon space chaos in this fast-paced top-down arcade shooter with a twist of Asteroids. Blast through swarms of geometric enemies, complete quirky quests, and upgrade your ship with absurd weapons in a Jetsons-style galaxy brimming with danger, glow, and humor.

Start off as a weak ship with a simple attack and fight through waves of enemies, earning currency in order to purchase upgrades for your ship. The never ending waves of enemies grow in number, power, and variety as you progress. Purchase upgrades to keep pace with them.

Can you survive the Empire's onslaught? Avoid the attacking enemies and upgrade your ship to last long enough to escape in this space survivorslike.

A distant human colony faces an enigmatic alien threat. As commander of a spherical battle droid, infiltrate alien spacecraft to neutralize the menace from within. Face AI-enhanced droids, upgrade your arsenal, and engage in high-speed action, mini-games and test your strategic skills and reflexes.

A roguelike top-down shoot-em-up! Defeat waves of enemies and level up your ship and arsenal as you move from world to world! Challenge yourself with 12 different difficulties, from a breeze in the park to tough as nails!

Popcorn Rocket is a silly food based old-school arcade space shooter. Pilot the Popcorn Rocket as you blast through hordes of food spaceships in order to save the galaxy from the evil Nebula Empire! With a wacky cast of heroes and villains, Popcorn Rocket will leave your stomach wanting more!

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!

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.

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!

Akka Arrh is a modern take on a scrapped project from the 1980s, providing players with a fast-paced, addictive, arcade shooter experience and psychedelic visuals. Protect your life rings as you chain together combos and go for a high score!

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.

Prepare for an interstellar showdown like no other in a gripping roguelike top-down twin-stick shooter set in the vast depths of space. Pilot your advanced starship, engaging in relentless battles against hordes of alien adversaries. Destroy, Collect, Upgrade, Die, Unlock, Repeat.

A roguelite top-down shooter where you create a ring of guns around you to mow down thousands of enemies! Upgrade your guns with insane mods and experiment with the endless possibilities. You may be an adorable dog, but that won't stop you from raining death upon your enemies!

A casual rogue-lite shooter where you can buy upgrades to improve your run and defeat waves of enemies. Shoot tons of bullets and create different builds while trying to be as accurate as you can to get the best rewards!

A fast, twin-stick shooter micro-roguelike with bullet hell elements, chunky weapons and satisfying destruction. Your AI friend AL4-N will help you along the way with new weapons, upgrades and vague moral support, as you attempt to beat the Scunners Run.

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.

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 get swarmed in this incremental top-down shooter! Unlock new mechanics and upgrades as you defeat more and more enemies. Let drones aid you in combat and use your abilities to become unstoppable.

A fast-paced action roguelike where explosive combat fuels 'Blitz' ultimates—a rage mode that dominates the battlefield. Endure relentless battles, enhance your arsenal, and evolve powerful abilities. Each run opens new tactical possibilities in this intense arena shooter.

Collect synergizing items to create an overpowered character to fight hordes of cyclops monsters. Cyclo Chambers is a fast-paced, top-down arena shooter with light rogue-like elements. 150 items to choose from to create frantic combinations. Different runs every time.

Rejected as heir after losing your will, you must survive on an abandoned amusement-park planet. Gather ingredients, craft food-guns, shoot, eat, and grow stronger to reclaim your lost legacy.

Kill all enemies, Upgrade, Repeat! Defeat thousands of enemies in this incremental roguelite and become unstoppable as you progress through the game.

Space Waves is a procedurally generated 2D arcade style shooter with multiple collectable power ups and varying enemy types. This game will casually draw you in and then increase the pace and difficulty as you progress through the never ending levels.

A fast-paced space shooter where you blast through waves of Martian invaders, upgrade your ship, dodge bullet hell, and wipe them out with devastating firepower.

Cosmic Paradox: Noire is a 2D top-down shoot ‘em up adventure set in a world of two overlapping dimensions. Witness the battle between the Vex Accord and the Oronix Empire, increase your odds of survival with the right upgrades and choose a ship that is best suited to your playstyle.

Street Pizza is a frantic action game where a pizza delivery guy battles zombie hordes to fulfill orders in an apocalyptic world. Wield improvised weapons, dodge hazards, and race against time to avoid becoming zombie food… and keep the pizza piping hot!

Your work van has been stolen! Use your armed & modified Cleaning Unit to fight your way through a fractured and corrupt floating city that hovers over a war zone. Find and recover your van before your business goes under! Armed Decobot is unique mixture of Arcade Beat 'Em Up and Bullet Hell design.

Neon Invaders will take you back to your gaming roots with its constant action and relentlessly brutal enemies. Absorb enemy shots of the same colour to trigger a flurry of fire to decimate the alien invaders. Dodge and Match your way to victory through 40 levels and 5 difficulty settings.

Humans destroyed your dam - now take your revenge! Reduce cities to rubble while fighting off hordes of enemies trying to stop your rampage. Upgrade your bulldozer, enhance your arsenal, and unlock new animal pilots with unique skillsets in this roguelike auto-shooter.

The Hellspawn Trials is an endless top down shooter where you choose from a variety of dynamic weapons and Faustian upgrades with unique side effects so you can become powerful enough to discover the answer to the ultimate question: How many toddlers can you beat in a fight?

Lead an elite squad of heroines in this high-energy vertical shmup! Blast through enemy waves, dodge deadly patterns, and take down epic bosses as you fight to free the galaxy from the grip of the Merlian Empire.

Fire up your blaster cannons and take on waves of enemies in this retro shoot'em up with procedural levels. Come back stronger with each attempt and beat the high score!