Top similar games like Extermination:

Build and defend a mining operation on a distant planet in this tower defense bullet heaven shooter. Build and upgrade defenses, fight off waves of enemies from a rival corporation, and earn enough credits to buy your body back and escape this deep space hellhole.

Defend your Lifenode from waves of Scrollers, Trolls, and Doomscrollers in this chaotic 2D arena shooter. Upgrade, survive, and beat the algorithm.

Single-player arena shooter. Weird weapons. Relentless robots. Easy to play, hard to score. Enter the chaos, shoot the bots, and compete in the Monthly Challenge.

Launch into a fierce roguelite action in this top-down twin-stick shooter with bombs! In a robotic world, control Lizzy and their team of unlockable beasty bots in a quest for upgrades. But beware, needed resources are guarded by swarms of Steel Sentinels. Survive them to craft synergistic builds.

Bank Shot is a Bullet Hell on a pool table with Rouge-like elements, where you are the weapon. Ram enemies to send them flying into the pockets or pelt them until they break. Choose upgrades that change the game, and shoot for the high score

OVERHEAT PROTOCOL is a fast-paced FPS action roguelike where you survive escalating robot waves, build absurd weapon synergies, and push your gun past its limits before the arena overwhelms you.

Defend your base on Mars from invaders in Residuum. A thrilling mix of tower defense and shooter gameplay, upgrade weapons and choose your crew for a unique experience each time. Play with a friend for even more excitement!

DEEP ROCK GALACTIC: SURVIVOR is a single player survivor-like auto-shooter. Take on hordes of lethal aliens, mine riches, and unlock powerful upgrades to survive, as you wield the full arsenal of Deep Rock Galactic. It's one dwarf against all of Planet Hoxxes!

BotKill is a fast paced top-down arena shooter where you face endless waves of deadly war machines. Scavenge debris from fallen enemies, upgrade your arsenal, and unleash destruction in an all-out bullet hell against ruthless bots and towering bosses.

Kuiper belt survivor is an arcade style bullet heaven, where every run is endless. It brings a unique spin to the bullet heaven genre by making every part of the players weapon arsenal customizable with well over 10,000 unique weapons to build, and unique stats for every enemy.

"Deep Space Survivor: Endless Starfield" is a survivor-style game. Your interstellar battleship accidentally enters an unknown universe, fighting its way through endless enemies, roaming multiple star systems, and collecting meteor resources to forge your ultimate orbital weapon.

Take on the role of a soldier capable of facing the most dangerous enemies, improving your skills to increase the chances of victory

"Steel Knight's ARMIS" is a roguelike robot game. Lead the rebellion through five chapters, fighting against the Imperial Army and Earth Federation. Customize and upgrade your robot to survive the intense battles ahead.

Blast through hordes of mechanized enemies with spells and upgrades in this roguelite game. Choose your hero and delve into a sprawling skill tree, unlocking devastating magic attacks and obtaining powerful upgrades.

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.

Compete in the famed Robo Dome championship as Rei Castor. Test your ability in this roguelite shoot em’ up against a barrage of enemies and projectiles. Face off against giant robots and other contestants in an attempt to come on top of this year’s Robo Dome championship in Valhalla City.

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.

Weaponize your WPM. Glyphica: Typing Survival is a single-player roguelite horde survival game that lets you mow down hordes of enemies in a minimalistic arena using your finger dexterity, your choice of weapons loadout, and sheer determination.

Heart: Future Whispers is a top-down shooter where you'll face countless hordes of enemies with different abilities! Survive by using your resources to acquire powerful weapons and uncover the reason behind all the chaos in this dystopian future.

Area Survivors is a top-down survival action game where you fight off relentless hordes of enemies and struggle to stay alive. Defeat enemies to grow stronger, upgrade your weapons and skills, and take on increasingly powerful foes and massive waves of enemies.

Outlast the onslaught in a sci-fi survivors-like where your decisions matter as much as your firepower. Command customizable starships, enhance your arsenal with 100+ strategy-defining upgrades, and annihilate endless fleets of cosmic combatants! Carve your legacy among the stars or die trying!

Mow down the alien hordes, scout for resources and survive. Dreadnought is a mix of Action Tower Defense Survival and Shoot 'Em Up Bullet Hell where you control the ships turrets & defend against waves of enemies. Choose your weapons, upgrade your ship & brace yourself, the horde is coming.

In NOVA X9, become a fearless cyborg girl, and fight against hordes of enemies, snowballing your advantage as you smash through thousands of foes. Survive the relentless onslaught and unleash your skills in this roguelite survival game set in a dark and futuristic world.

Fight for your freedom as you battle through wave after wave of alien adversaries. Destroy enemy fighters and collect XP to raise your level and become more powerful. Combine your skills and abilities with a huge range of power-ups to become the ultimate champion.

CYBRID: Survivor - is a single-player shooter with survival elements. Use your entire arsenal, fight hordes of robots, mine resources and unlock powerful upgrades as you clean up the streets at night. You are alone, against everyone!

Fight as unique combat-ready robots in spear-based melee battles. Experience Story, Quick Game, Training, and Drone Modes. Master skills, spray toxic gas as a drone, and battle through gritty prison arenas with immersive sound and replayable challenges.

You are a friendly-but-deadly Mech on a journey searching for your missing pilot in this action-packed roguelite shooter. Choose your missions and rewards, research skills, equip expansions, mod your weapons, install plugins, customize your looks and stylishly cut your way through hordes of evil AI.

Dodge, dash, and destroy bugs with your squad in a fast-paced fight against a relentless insect invasion. Choose from a roster of elite exterminators, each armed with powerful weapons and elemental powers. Evolve your squad mid-run and unlock lasting upgrades to stand against the ever-growing swarm.

ExtermiHate is a top down twin stick shooter action rogue-lite where you play as Raven "Luna" Ticke. She is a lone prisoner-turned-soldier send in to reclaim Earth 2 from a bug invasion. Fight your way through random levels and level up your character to survive the waves and defeat the bosses.

Pilot disposable combat drones through the Primal Portal in a sci-fi action roguelike. Customize your drone, fight through various missions, recover research data and alien technology to enhance your drone setup for the next session.

Xenotech Arena is a Roguelite arena shooter set in Neo-Japan inspired arena.

Funguys Swarm is a cartoony survivor bullet hell where the forest is on fire. Become a Funguy, arm yourself with forest-crafted weapons, and unleash some bonkers powers on the Fireking’s army. And maybe... just maybe, save the day if you’re skilled (or lucky) enough.

From the Creative Director of Destroy All Humans! 2 and co-creator of the original TY the Tasmanian Tiger comes a chaotic bullet heaven with objectives. Rescue astronauts, repair reactors, and hack terminals while dodging hundreds of enemies in high-stakes, 10-minute showdowns.

Strap into a heavy mining exosuit, stack six auto-firing weapons, and carve through a deep-space asteroid belt. Mine ore between enemy waves, bank it at the dock, snowball your build, and push higher hazards — a fast, punchy 2.5D roguelite built gamepad-first for Steam Deck.