Top similar games like Core Assembly:

Take control of a growing singularity in Blackhole Collapse, a fast-paced action rogue-like! Devour cosmic debris, dodge relentless hazards and volatile anomalies, upgrade your gravitational powers, and consume entire celestial bodies as you survive the void.

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 machine hordes.

Fast paced Top-down shooter! Smartly use IRCM to evade the constant barrage of bullets and missiles and destroy everything that stands in your way.

Geometry Nexus is a neon action roguelike where your weapons fire automatically. Dodge enemy swarms, collect upgrades, trigger Overdrive, grow stronger between runs, and survive ten minutes to defeat the Nexus Guardian.

This is a rogue-like top-down shooter where you control a spaceship that is sent out to explore the caves on the Moon. Once you enter the caves, you find out that there are enemies. It is up to you to survive against them while also trying to find the path down to the next level of the caves.

Desmarchon is a chain-weaving survivor-like. Burst drifting Anomalies, build your ship through sixteen Campaign operations, then farm thirty Deep Space destinations. Craft gear, insert Reality Manifolds, and push a shared Depth frontier as far as your build can carry you.

A fast paced bullet heaven, control your Sci-fi spaceships with semi-newtonian physics. Last 7 minutes against the drone armada until their boss arrives and fight your way to freedom! Use planetary gravity and other hazards to dodge superior numbers. Collect and combine weapons for maximum firepower

Deepforge Brawl is a dwarven arena roguelite where your weapons fire themselves — you just have to survive. Charge your beard, chug your ale, and dash through goblin hordes across six depths of the mountain. Merge 17 weapons, forge 7 Masterworks, and descend until the Maw takes you.

Play an immune cell that never stops evolving. Shoot foes into weakness, devour them for Gene—and Burden. Fill a four-track gene library, morph your cell and bullets, then ascend into an Ultimate form. Top-down bio-horror roguelike: what is your cell becoming?

Are you a capable mech test pilot. Can you clear the challenges the test plan lays out for you. The test plans get harder, the further you push. Core Reset is a fast paced, rogue-lite, bullet heaven that pushes your limits. 

Octomech Survivors is a top-down mech action roguelite focused on movement, survival, and auto-fire combat. Manage weight across 8 weapon slots, with up to 4 copies of the same weapon. Choose 1 of 3 mechs and create your own build!

Lumbrix is a survivors-like shooter where every segment of your growing worm is both a weapon and a life. Aim your head cannon, shield yourself with your body, evolve your weapons and survive ten minutes to face the boss.

Roguelite action game with RPG elements in a world of grim bioengineering. Control a growing lab, craft monsters from body parts, boost them with random upgrades, and send them into ever-changing trials. Unlock modules, tweak builds, and adapt to enemies that change with every run!

Survive massive amount of enemies in space in this top-down action auto-shooter.

UNIT-5000 - is a top-down action rogue-lite shooter where you are a mechbot operator against endless hordes of outer-world invader armies and hard bosses. Destroy everything! With the spoils of every match, unlock and upgrade new weapons to improve your mechbot and make it deadlier.

Puffy Shooters is a Survivor-like + Gungeon-like game. Modding your weapon, then conquer waves of enemies in the dungeon! Build your unique character and ultimately steamroll the monster army!

Project Sundive is wave-based arena auto-shooter roguelite, focusing on ship customization and ridiculously overpowered builds

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

Fight hordes of Covenant & Flood in this new game mixing Roguelite & Bullet Heaven for hours of mindless fun!

Super Galaxy Gladiator is a survivor roguelite focused on buildcrafting and inventory management. Fight waves of enemies, buy and upgrade items mid-run, and arrange your gear to create insane builds and synergies in the galactic arena.

Become the galaxy’s deadliest hunter! Wield 7 weapons at once, unleash ricochet chaos, and conquer alien worlds in this fast-paced roguelite. Survive 10 minutes of madness, trigger your Rage, and slay the boss. Master unique Signature Weapons and craft your ultimate build!

Bug Alliance is a top-down Action Roguelite where every level-up reshapes your build. Trigger Synergies, conquer 20-wave maps with boss finales, unlock a 13-chapter story on higher difficulties—then dive into Chaos Surge with endless bosses, curses, and risky rewards.

Turn a cyberpunk machine swarm against itself in a fast top-down bullet-heaven roguelite. Hack enemies into temporary allies, install run-changing Neural Patches, unleash your Grid Demon and break the Wardens guarding each deeper grid.

A bullet heaven (a reverse bullet hell) where your only weapon is the light you see with. Widen the beam to see the swarm coming, or focus it to burn what's close, and go blind everywhere else. Survive to dawn, pick a power, and face a longer, hungrier Night. How many can you last?

Pick one of three rule-breaking dogs and turn staplers, coffee, keyboards, and resignation letters into 24 absurd auto-firing weapons. Fuse and evolve your build, shred task swarms and 12 bosses across six fast workplace stages, then clock out on time.

Blast through endless alien hordes in space and climb the Steam leaderboards. Pick from 21 ships, each with its own weapon and ultimate, stack cards and weapon evolutions, and push through a 100-level campaign or endless Survival until your build breaks the game.

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.

This is a very fast God's perspective roguelike shooter, the player will pilot the mech, explore the alien frontier, enjoy the "Crimsonland + Vampire Survivors (Vampire Survivors)" endless killing!

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.

Science Monster: Grafted Heart is an organ-building survival roguelite. Graft weapons and support organs onto your body, balance blood, heat, weight, and tissue zones, then survive swarms through movement, temporary catalysts, and evolving builds.

SWARMED is a fast-paced arena roguelite where you dual wield guns, mix ammo types, dodge hostile swarms, and stack upgrades into ridiculous builds. Survive all bosses in ~15 minute runs, then keep going in Endless Mode.

In Deadline: Aphelion, you play as a mercenary tasked with defending the research facility from the hordes of alien spiders that have been drawn to it. 

Aboard your ship, destroy the hordes of aliens attacking you by choosing your weapons and upgrades as you play, and defeat the final boss! In this roguelite, each ship has a different weapon layout, giving each one its own unique playstyle. Then create your ship and develop your own strategy!

COMBINE WEAPONS in the microscopic shooter with macroscopic depth. BUILD YOUR NANOBOT from hundreds of parts. SURVIVE the microbial onslaught once more in this psychedelic dive to the Abyss, full of mutations, minerals, anomalies and powerup polyps. SHMUP mode turns it into a vertical shoot 'em up!