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.

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

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.

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!

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.

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!

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!

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!!

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.

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!

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.

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!

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!

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.

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.

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.

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."

Destroy hordes of zombies with your powerful turrets! Nitro & Necros is a Roguelite with tons of upgrades to make your car more and more powerful. You will drive over all kinds of zombies, shoot them up with your turrets and level up to select the best upgrades to survive this madness!

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]

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.

Spin. Shoot. Survive.

Hyperwired is a classic top-down action shooter, where your spaceship has a plug hanging from it. Wire yourself into sockets, gather upgrades, and unlock ships as you explore a procedurally generated galaxy with roguelike elements.

A fast-paced, retro-style space shooter with challenging levels. Race against the clock as you blast and dodge through waves of enemies and obstacles, pushing your reflexes to the limit.

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!

Survive endless waves of cosmic chaos in Astrochibbi! Fight through escalating battles where every wave brings new monsters, new patterns, and new challenges. Dodge, shoot, and adapt as the battlefield evolves and only the strongest survive.

DRAGOT is a fast paced bullet hell dungeon crawler in which you live or die by the mysterious items you find hidden in each room; Fizzle out early or snowball your newly acquired powers to fight through all six areas and finally defeat the dragon that pursues you.

Survive waves of enemies raining bullets on you with the help of your trusty Automatic Turret Machines (ATMs) while you focus on more important priorities: making bank. It's equal parts bullet hell, tower defense, incremental game, and rogue-lite. Coming out later this year in 2024!

In this game you play as the little fellow we know as CRO, navigate through the void while collecting cool upgrades, synergies and fighting unique bosses along the way. Every room you enter will contain a different boss each with their own bullet hell patterns.