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.

Starcore Survivor is a top-down arena auto-shooter roguelite. Move, dodge, collect materials, and shape each run through 20 waves of combat, upgrade choices, between-wave shops, weapon fusion, evolution recipes, relics, bosses, and escalating Danger levels.

Survey planets. Obliterate the locals. Invest in your ship. An action packed rougelite where the engineering crew you hire is either your greatest asset or your worst enemy, sometimes both at the same time. Don't fret, they always mean well.

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.

A universe is dying — and you are its last spark. Blast through procedurally generated constellations in this fast neon action roguelite. Claim powers from fallen enemies, defeat the Guardians, and carry your heritage into every new run.

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 neon arcade roguelite with no gun. Momentum is the only weapon: surf the dark at full speed and ram everything to wreckage. Ten shifting zones, anomalies you can seal or exploit, mutations that evolve, guardians that shatter. The stars are not ready. Go anyway.

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!

NEON STORM is a fast-paced top-down Roguelite bullet hell shooter. Pilot your fighter, auto-fire through waves of enemies, dodge deadly attacks, and build powerful upgrades. Survive each run, unlock permanent upgrades, defeat bosses, and chase your highest score!

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

Momentum is your greatest advantage. It's also your biggest mistake. A momentum-driven roguelite twin-stick shooter set in a procedurally generated, living quantum arena that never lets you settle in. Stack weapons and mods into a drone built to survive it.

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.

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.

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.

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.

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?

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.

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?

You're a tiny one-eyed space creature. Humanity wants you contained. Dodge volleys, smash human spacecraft with banked Wreckballs, and eat their wreckage to heal and mutate. Build a hungry little menace in this neon bullet-hell action roguelite.

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!

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?

Rogue Space Convoy is a roguelite space action shooter where you pilot a fighter, build a convoy, and choose branching encounters across five hostile passages. Disable enemy cruisers, salvage upgrades, and keep the Ark alive long enough to reach the gate.

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.

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.

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

Shatter overwhelming cube swarms in a fast arena-survival roguelite. Aim your evolving arsenal, conquer five hazardous zones, destroy their Guardians, and climb five Fracture difficulty tiers—solo or in two-player local co-op.

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.

Weaponized is a fast, violent vector shooter where you play as an asteroid miner who stole a spaceship to go mine hell. Take on mining contracts, use your machine gun to carve ore out of asteroids, and scavenge for abandoned tech. Inspired by indies like Luftrausers, Ape Out , Duskers, and Dredge.

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!

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.

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.