Top similar games like Unit Down:

Space Strider is a 2D Sidescroller Shoot 'em up with Roguelite elements, where you beat hordes of enemies and defeat unique bosses. Unlock, upgrade and level up your Spaceships to become the ultimate Space Strider!

Action roguelike where you build and command your own spaceships. Battle enemies, explore planets and customize your ship on the fly. Make the best use of the quirky ship modules you find, ranging from slingshots to ion cannons, to try and avoid certain death.

EVERSPACE™ combines fast-paced combat with roguelike elements, great visuals and a captivating story. It takes you on a challenging journey through an ever-changing, beautifully crafted universe full of surprises. Shoot, craft and loot your way to victory while the odds are stacked against you.

Spaceflight action for the new age! Push your piloting skills to the ultimate test, blast and burn your way through swarms of starfighters, merciless armadas and colossal behemoths in an epic roguelike campaign that spans the cosmos. Easy to learn, tricky to master, and impossible to put down.

Hyper Strike is a space shooter on rails with a rogue like twist. Explore the outer space colonies, battle in scenarios, and take on bosses while unlocking upgrades and slowly gaining strength to take on bigger foes.

A rogue-like metroidvania where you explore the ruins of the Red Nivis Laboratory. No run will be the same, but will also give you the metroidvania feeling of finding a shortcut, or remembering that there's a cool area you can now explore.

A roguelike survival game in space. Stranded in space, you must fight to survive as long as you can! Dodge or destroy asteroids, collect ice shards to survive. Find power ups in from your ship, get out before they destabilize and explode! How long can you survive in space?

Trapped in the vastness of space as a Life Support AI with no crew. Find your way home by salvaging and upgrading your ship in a sci-fi rogue-like adventure.

A roguelike with unique curses, 60+ cards, incredible shots and power-ups. No two attempts are ever the same.

Deep Space Scoundrel is a rogue-like space adventure where you use a variety of classic arcade mechanics to explore the universe, customize your ship, land at spaceports, and fraternize with other aliens and low-lives.

You’re being Bounty-Hunted! Run, Build your ship piece-by-piece and make it work with the parts you find, Destroy outposts and waves of fleets, and Pick your battles carefully to overcome your hunters in this Fast-Paced Top-Down Action Roguelite Shooter.

Can you create the raddest spaceship? Captain Forever Remix is the spaceship builder roguelike. Voyage across the Solar System and blast apart randomly-generated enemies for spare parts. This is an officially-licensed re-imagining of the indie classic Captain Forever.

Cosmic Run is a single player space roguelite game. Take on hordes of galactic enemies, build your ship strategically to overcome the hurdles, improve your stats to stand longer, and flee the Zogark family from the galaxy. Fight, Build, Survive, Escape!

HYPERDRIVE is a fast paced Sci-fi action flight sim, combining the infinitely looping gameplay of a roguelike, along with the combat and controls of classic spaceship combat. Avoid obstacles, and take down enemy ships in high speed space combat, all while making as many deliveries as possible!

Oftalmogarden is a fast and chaotic roguelike sci-fi eyeball monster shooting game. Shoot your way through hordes of enemies, collect upgrades, weapons, and gadgets to grow stronger, but accumulate curses over time. Speed is your best ally to survive, the sky is watching and death will not wait.

Bubble Battle Blast 3D is a retro arcade third-person shooter in which a spaceship battles its way through 8 arenas in which a guard drone protects bubbles. Earn ship-enhancing items and temporary power-ups by blasting bubbles with lasers, Earn bonus points after each arena to upgrade faster.

"Fight off endless hordes of enemies with your ship! Upgrade it to defeat increasingly powerful opponents! Choose your upgrades carefully, manage your priorities, and find your enemies' weak points!"

Bullet-hell game. Face endless enemies in Survival Mode. Psion Themed! Earn experience and survive as long as possible! Unlock Powers and Gear. Complete achievements! Mix Psions, Powers and Gear each run! Playable with one hand. Rhythm Based.

Use ships to attack and destroy enemy space stations in real time.  Navigate through different randomly setup star maps to get to the exit and win.  It's a 2D single player space game that's massively replayable.

Stellar Space is a new take on a classic arcade game with a modern, rogue-like, form for new players to enjoy!

B-12 is a tough, third/first-person action-platformer with randomized levels and relentless robots with plasma cannons for hands.

Classic rail shooter action. Find secrets and tactics to clear levels effectively across three difficulty settings. Unlock mini games as you progress.

Pilot the Ultra Imposer drone and eradicate the enemy army with your blasters or lock-on to multiple enemy targets and unleash a barrage of seeker missile destruction. Ultra Imposer is a third-person VR-only shooter action game on rails with unique gameplay and boss battles!

Alone in space, light years away from your family, armed with only your Fistcannon™; you are Cargo Corps' latest recruit, a Cargo Commander.

Halo: Spartan Assault brings the excitement of Halo combat to Steam for the very first time. Battle your way through 30 action-packed missions against the Covenant as you explore the origin of the Spartan Ops program featured in Halo 4. *DirectX feature level 10 required. *

Roguelike bullet hell shooter, where you fend off waves of attacking monsters in a constantly transforming arena. You are rewarded with upgrades to your vulnerable spaceship if you survive long enough.

Sublevel Zero Redux is a roguelite six-degree-of-freedom shooter in a universe where reality is falling apart. Use your zero-g gunship to fight through a vast underground facility, looting advanced weapons to destroy hordes of deadly enemies.

Fly and fight through the vibrant universe of Liquid Space Dimension in this retro-inspired action shooter! As Sid Seaburn, pilot of the Star Drifter, master a wide range mechanics like drifting, laser beams, and torpedoes to get the highest score possible and stop the evil general Ra-Baba!

Take on the Evil General Goo as he sends waves of Retro Space Invaders your way in this Action-Packed Retro Styled Arcade Shoot 'em up.

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!

Defend against the alien invasion and take down the mother ship! Utilise branching upgrade trees, unlock new ships, and equip permanent upgrades to create your own unique build and defeat the growing hordes of invaders in this sci-fi action roguelike!

Soar through the sky islands of Alioth and defeat any foe standing in your way using your piloting skills, unique abilities and powerful weapons. Airhounds is an aerial dogfighting rogue-like focused on fast-paced action!

This is a single-player survivor-like auto-shooter. Fight against fleets of spacecraft, gather resources, research technologies, unlock upgrades, and create devastating builds using modern arsenal.

When alien beings decide to invade and conquer Earth, they don't expect such a powerful enemy: A very angry farmer, join him in the battle against dangerous and lethal aliens and win back the farm that is rightfully yours.

Squeeze into your toga and slide on your sandals to rally the angry mobs of Okhlos and bring down the oppressive god of mythological Greece!