Top similar games like Planet Killer:

A physics-powered action roguelike. Grab asteroids, catch missiles, and hurl them back at swarming enemies. Build wild loadouts, defeat colossal bosses, and push deeper into a collapsing galaxy.

An arena shooter where the arena keeps folding into 12 shapes of space: Torus, Möbius, Klein bottle, and more. 90+ weapons that curve along the geometry. 6+ characters that each play differently. Hundreds of enemies stream at you the whole time. Push the limits of the universe.

Physics based roguelite bullet-hell-and-heaven horde-survivor action game. Research and upgrade spaceship. Traverse procedurally generated galaxies with ability to alter its conditions and effects.

Bullet hell meets auto-shooter in this roguelike color-matcher where RGB itself is your weapon! The Maiden of Light has been captured by the forces of entropy. Six challenging bosses stand in your way and only you can save her!

You are tasked with servicing Terraformer Ai cores. To do this you will have to blast your way through the automated defense system. Turn the bots you come across into slag and get what "res" you can out of them as you will need it to load out your tank with different weapon and mods systems.

A fast-paced sci-fi action roguelite where you battle escalating enemy waves, combine powerful abilities, and take on challenging boss encounters.

Space Show is an explosive space shoot’em up blending fast-paced arcade action with roguelite progression. Destroy waves of asteroids, battle enemy fleets, and defend Earth in an endless war where only survival… and glory matter!

The Nullblade Collection is a group of all the small, polished games made by Nullblade that were too small to be published by themselves.

Build a modular combat drone and descend into a sealed quantum containment layer where unstable physics, evolving enemy systems, and momentum-based movement force constant adaptation across ever-shifting arenas in this roguelite top-down shooter.

A fast paced, action packed, roguelite game with tanks! Blast your way through procedurally generated levels, and build overpowered combinations of upgrades! Face off against a variety of different enemies and epic bosses.

lone.AI is a space RPG roguelite. With challenging, relentless gameplay, each run has the potential to boost your ship's power, speed, and more. As a lone AI, fight your way through the solar system and uncover the secret behind the ZOSMA, an alien race that holds power over the system.

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.

CIPHER 61 is a fast-paced, action-packed top-down-shooter, with tons of temporary and permanent upgrades. Can you make it through all 61 rooms?

You should simply try out Roboom. We have quite a long description below, you can read if you like, but experiencing Roboom yourself or as Co-op is the best.

Comet Force is a Space Arena Shooter Action Roguelite. Build your camp, recruit to compose and grow your troop, collect upgrades and unique effects, fight enemies and bosses, and choose how the threat evolves. Keep your troop strong enough to survive all waves and close off the anomaly.

SURVIVE the swarm in this rogue-lite + survivors + asteroids mashup! Exterminate as many alien drones as you can. Upgrade your ship from the crafted deck of equipment and power-ups. You are the Last ship against the Endless... Will your choices be enough to overcome the thousands hunting you?

Lunaris is a fast-paced sci-fi top-down roguelite shooter: survive escalating enemy waves, stack powerful passive and active abilities, craft wild build synergies, and turn the arena into a neon storm of lasers and explosions. Every run feels fresh and intense.

Galactic Glitch: Prologue is a stand-alone Action-Roguelike game with physics-based combat mechanics. Fight through bubbles of glitched Spacetime, dodge projectiles, bounce foes off walls and hurl giant rocks in challenging twin-stick combat. Play it for free today!

BULGASARI is a multitasking action roguelike where combat and inventory management happen at the same time. Devour scrap to grow stronger, create your own build, and survive against endless alien hordes.

A neon arcade roguelite where momentum is the only weapon. No trigger to hold: surf a vast dark void and smash asteroids, towers, and hunters apart at full speed. Chain dashes, charge your core to OVERLOAD, mutate every run, and break the guardians at the edge of the dark.

Dark Galaxy is a fast-paced action roguelike top-down shooter. Pilot a space drone to battle an invasive insectoid species. Illuminate the darkness and grow stronger as you travel to different star systems. Can you free our galaxy from the invaders?

Meowmunitions gives you a roguelike bullet hell experience with a unique gun customization mechanic, letting you design your gun however you like. The random nature of the game, with multiple augments and artifacts, forces you to think of new and creative synergies to approach each run.

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.

Brutal twin stick shooter with fun and clever enemies. Also has roguelite and Sci-Fi stuff.

Defend Modulea! Dodge bullet hell, combine modules, and fight off waves of enemies with your custom-built space battleship in this roguelike action shooter!

Blast your way through an endless horde of enemies in this pixel art top-down shooter. Collect their remains in order upgrade your character for increased combat abilities. Tekla is a top-down shooter with roguelite elements.

Run and Gun Roguelite where the goal is to upgrade each consecutive alien drone on death so the next can strive to become overpowered enough to escape the all consuming hive mind.

Fracture Hell is a replayable arcade shooter featuring dynamic destruction and deck building. Choose a class, equip your favorite guns and build a deck of upgrade cards to beat your current high score and unlock new gear.

Weaponized is a violent vector shooter. You are an asteroid miner whose employer recently expanded into mining hell. Use your machine gun to carve through asteroids and extract ore. Grab and hurl enemies, snipe through rocks, fight massive bosses. Make your quota and get out before it's too late.

You are Earth's last line of defense in a relentless alien invasion. Experience intense 3D top-down roguelite action. Outsmart, outgun and survive smarter, increasingly menacing foes with a versatile arsenal in diverse landscapes. Every run escalates the challenge - adapt, evolve, dominate!

A top-down space survival roguelite. Harvest crystallized spacetime, build your arsenal from 40+ absurdly named weapons, and hold off increasingly hostile void entities until the universe runs out of things to throw at you. It usually doesn't.

Beyond Lost Planets is an intense Roguelike Dungeon Crawler Bullet Hell. Fight through enemies and bosses across procedural worlds. Everything from weapons and bullets to powerup and companions is represented with cards. Grow absurdly powerful and create wild, unique synergies every run!

Command your ship in Conqueror Of The Galaxy, an intense roguelite survival and bullet hell game. Face relentless defenses as you conquer entire galaxies, overcoming swarms of enemies and choosing strategic upgrades to become the ultimate conqueror!

With loads of weapons and unique skills, rescue your crewmates and blast your way off of a savage planet filled with ruthless bandits and blood-thirsty, bone-crunching, flesh-tearing monsters. Just be aware, every successful escape cranks up the hostility toward those left behind.

Sanctum Arcadia is a game where you must fight your way through increasingly dangerous zones filled with enemies, hazards, and mystery. Sanctum Arcadia has a unique but still familiar progression system, challenging and engaging combat, all in a smooth Arcade-like experience.

Meteor Rush is a high-intensity space Bullet Heaven where you defend a fragile core against endless cosmic threats. Harvest meteor gems, loot powerful gear, and evolve your ship and core into an unstoppable force of destruction.