Top similar games like Usurper:

MEGALITH is a difficult Bullet-Hell Boss-Rush where you fight against megalithic machines in a tiny spaceship.

Merge Mutants is a fast-paced top-down survival shooter where hostile scientists try to keep you locked up. Synthesize their remains into healing, abilities, and loyal mutants, then merge matching units into bigger and more powerful ones. Break out of the lab or die trying.

Shooting Things Incrementally is a twin-stick shooter merged with an incremental. Start from nothing and build yourself into an unstoppable force as you fight hordes of deadly foes and bosses at the edge of the galaxy.

Park Sidebar Starship at the edge of your screen and let it aim, fire, and collect stardust. Death doesn't mean replaying everything from the beginning: every upgrade stays yours. Take over with WASD, the arrow keys, and Space when the shots get rude.

Run, Ronald, Run is an incremental arena shooter about a small circle trying to survive against a very large number of angry shapes.

Blast Beam Bang is a top-down roguelike arena shooter where you upgrade and modify active abilities and weapons between waves to create evolving builds and survive relentless robot swarms.

A fast-paced incremental space shooter where short battles fuel permanent upgrades and exponential growth.

<Literally A Flying Brick> is a singleplayer PvE fleet-to-fleet bullet heaven game where you can engage in massive space battles by building fully customizable ships. Create your own flying brick and destroy everything that stands in your path.

A space station, infinite waves, and a screen full of vector geometry trying to kill you. Your turrets auto-fire. Your satellites orbit. This is bullet-hell-yeah. In-game and permanent upgrades. 17 upgrade types across 9 weapon classes. Play, upgrade, repeat.

Shatter drifting matter, feed a growing black hole, and build a sprawling web of permanent upgrades. Every short run unlocks wilder skills, from screen-wide lasers to chain lightning, bombs, and gravity.

AREA WARS™ is a fast-paced 2D omnidirectional shooter where you battle enemies from every direction in a constantly changing enclosed area. Defeated enemies trigger chain explosions that engulf nearby foes and boost your score multiplier. Built for short, repeatable runs with score-focused gameplay.

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.

Choose a geometric core, survive escalating waves with automatic weapons, and evolve matching weapons and passives into stronger builds. Explore sectors, find unlocks, and defeat the boss.

Ragtag Fleet is a fast-paced pixel-destruction survival roguelite. Tear apart enemy ships, expose their Cores, and turn the spoils into weapons, drones, and modules. Build a makeshift fleet into overwhelming firepower.

One prisoner. One hit kills you. Fight through 30 sectors of a space prison ship in a top-down roguelike shooter where every bullet can end your run. Reflexes, precision and dash — or die trying.

A run based shooter drawn on lined paper. Fly a paper ship across a desk, collect what you can before the fuel runs out, then spend it and go again. Five worlds, five currencies, and rules that rewrite themselves.

Kill thousands of enemies and survive the relentless onslaught. Fortress Full Fury is a humorous survivors/incremental game hybrid with more than 25 weapons and 600+ upgrades to unlock. Defend your tower against hundreds of enemies at a time and dominate the swarm.

Cheese, Please! is an incremental bullet hell about stealing cheese from the Cat Empire. Break in, collect resources, and upgrade your ship with a massive skill tree. Discover dozens of unique weapons and powerful perks to become unstoppable.

A fast‑paced symphony of destruction where you are always outnumbered. Survival demands constant motion, sharp evasion, and smart arsenal management.

Nah, I'd Shotgun is a tight hand drawn boss rush game where you fight demons in their special arenas , blast them away of existence , unlock more shotguns, and get good because otherwise you'll be humbled.

Obsessively mine every tile of an ancient megastructure. Cash in your haul for upgrades and parts. Build the ultimate mining rig. Don't stop until it's all gone.

This is a retro space shooting game, where you only fight against the strongest enemy. There are 15 unique bosses in the game, and players need to use different weapons and strategies to defeat them. Dedicated to you who are both challengers and retro game lovers.

Pilot an A.C.E combat craft in a incremental retro styled sci-fi shoot 'em up where every run earns data shards, unlocks upgrades via 7 skill trees, fight bosses, conquer 100 prestige levels and push deeper into a war against the Worms invading the colony.

Raging Bullet is a mindless, roguelite arena shooter. Unlock tons of upgrades, collect power-ups and survive as you battle hordes of monsters. Make yourself the embodiment of destruction in any way you can.

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.

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

Classic 80s inspired shooter

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!

Mushrooms vs Engineers is a top-down bullet heaven/hell where you are The Engineer, armed with your trusty nail-gun battle the hordes of Mushrooms over 20 waves until you face the final boss. The enemies you face are affected by your own choice of upgrades in the shop.

The dinosaurs have brought the fight to the wrong cat’s territory. Mess with MewMew, get the PewPew: It’s time to send the dinos right back to extinction.

Defend Spacebase 19 from the asteroids swarming down on the station! Shoot down waves of stones and equip different powerful weapons. How many waves can you last? A simple nostalgic retro arcade turret defense shooter.

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 SPELP program needs YOU to annihilate thousands of aliens with a variety of weapons, members and unique capacities. Unlock characters and make up your own team to fit your playstyle.

Oh no! Anxiety Bot has found himself in a meteor field! Try to help him survive as long as possible in this cozy, laid back arcade shooter. How long can you keep him safe?

Chaotic boss-rush, bullet-hell-y, twin-stick arena shooter mayhem! Dynamically changing arena forces you to be vigilant: Watch the bullets, watch the walls!