Top similar games like Ominigun:

SlimeCraft is a bullet heaven and crafting roguelike where the player mines objects, gathers resources, and crafts items to defend themself against waves of enemies in order to continue their journey exploring the slime dimension.

Fight through dangerous space stations in this 2d Bird's eye rougelike dungeon crawler! Clean up as many stations as you can!

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

Paralyzed penguins is a roguelite shooter game where you can only move by shooting. Explore randomly generated rooms with hundreds of possible layout fighting enemies and bosses along the way. You can unlock new characters and upgrades to make it farther in your next run.

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.

One cat. Too much catnip. A galaxy of mice between it and its own mind. Star Purr is a psychedelic roguelite shooter: build outrageous weapons, beat bosses born from the psyche, chase the SSS combo.

Clash with hordes of increasingly more difficult enemies, fighting back with powerful items and abilities. Explore different builds and classes, discover new items, and re-play with several ramping difficulty levels in this exciting arcadey shoot 'em up.

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.

Enter the Gungeon is a bullet hell dungeon crawler following a band of misfits seeking to shoot, loot, dodge roll and table-flip their way to personal absolution by reaching the legendary Gungeon’s ultimate treasure: the gun that can kill the past.

Purge the onslaught of Nightmares and defeat the Dream Bosses! Dream Savior is a cute casual game with rogue-lite elements, where your choices can help build towards your victory against hundreds of monsters that get thrown at you!

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!

Kamakazzzbee is a fast-paced, roguelike, arcade game, where you play as Bumble! Bumble is one bad bee; he hates the smell of flowers, and is trying to get rid of the smell by eating them all... Destroy all the flowers in your ecosystem, but beware of the critters trying to stop you!

A chaotic survivors-like roguelite where your hero isn’t just a passive bonus. Each hero fights with their own signature weapon or ability: eye lasers, swords, cars, UFOs, guns, and pure nonsense. Stack broken passive upgrades, pick sidekicks, and turn every run into a disaster.

A Mystic Gate created by the gods suddenly appears in the human world. Adventurers challenge themselves with the tests that await them beyond the gate. In order to earn your wish you must defeat hordes & bosses in this roguelike dungeon exploration bullet hell!!

Hell Bug is a simple roguelite shooter where you build a swarm of chaos from the remains of your enemies. Designed as a basic arcade style experience, you focus on crushing mutant bugs and unlocking defeated bosses' children, as powerful new allies. Each bug has a story, some shouldn't be told.

Destroy hordes of strange machines that have invaded the forest. Yawnoc is a chaotic top-down shooter roguelite focused on immersion into the world of Conway's Game of Life and other cellular automata.

Welcome to the New Wild West! Join a space gang, become the galaxy's most dangerous outlaw, explore planets filled with enemy space gangs and shoot your way through them in this bullet hellish galaxy-crawler roguelite.

Rob o Bot is a survivors-like action game where you fight hordes of robots that began acting on their own after a mysterious virus infected a new generation of machines. Survive waves of enemies, upgrade your gear, and take back control before the machines take over.

Defeat thousands of enemies that are invading Andromeda! Andromeda Survivors is a casual game with rogue-lite elements where you collect skills and upgrades for your ship to create amazing builds!

Launch & Loot is a rogue-lite dungeon crawler with vibrant pixel art, where each room is procedurally generated. Use the environment to your advantage by throwing objects and loot to defeat enemies. Discover unique power-ups that change your playstyle with every run!

Enter the human body with A Way To Die! Play as a disease that attempts to infect its host by contaminating organs and mutating! Discover new ways to win every time you play with all the different diseases!

A bug-sized roguelike adventure of boogas versus faucets! Choose your booga, powerup with items, and destroy every last faucet foe!

Fight through relentless waves of hostile robots in this fast-paced roguelite twin-stick shooter. Earn credits, purchase permanent upgrades, master multiple game modes, and chase your highest score. Every run is a chance to survive longer and push your limits.

Akinofa is an arcade shoot 'em up with Roguelite elements.

Cast various lights on your enemies to destroy them, conquer 40 randomly generated dungeons in Story Mode or play endlessly in Survival. With the help of hats and powerups, for sure!

Buff Murphy and obliterate hundreds of enemies as you crawl deep into the cave of Dr. Mosh! Moshcave is a retro-style action roguelite game with many different possible builds and strange enemies that gets progressively stronger.

Go on a campaign to dethrone the kaiser! Build an army, strengthen yourself with powerful artefacts and defeat the forces he sends to stop you. Kaiser is a casual roguelike game where you fight thousands of enemies in an attempt to become the new kaiser.

Disfigure is a top-down shooter rogue-lite in which you fight countless grotesque creatures shrouded in darkness. Choose from a variety of upgrades to create unique builds each run and survive.

You just have to kill the bugs and critters before they kill you, so you can kill the bugs EVEN BETTER. Defeat the 3 floors and their bosses to win the game! Fight through procedurally maps made of handcrafted rooms, in this action RPG shooter with heavy roguelike and bullet-hell elements.

Due to an error, several games have become mixed together! This is a 2D bullet hell roguelike game where you defeat enemies using items from various games along with "Error_Boy."

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.

Bullet hell about destroying computers. Be the ultimate bug you ever wanted to be. Swarm those capacitors and break the boards! [THIS GAME IS STILL IN DEVELOPMENT]

Spin. Shoot. Survive.

A free-to-play roguelike where a cube shoots to more cubes, explore the complex, find crazy combos, fight exciting bosses and dodge the thousands of projectiles than your enemies have prepared for you!