Top similar games like Oxygen Survivors:

The frontier has a monster problem, a bandit problem, and apparently a "your life expectancy" problem. Survive the horde, loot the General Store, and die with style. Refunds not available. Neither is mercy.

A Bullet-Heaven roguelike in the Approaching Infinity universe with both spaceship and away team missions. The exit of the galaxy's dominant races left a power vacuum that everyone wants to fill. Survive, pick a side, or kill'em all. No time to think when the horde's advancing.

A fast-paced sci-fi action roguelite where you battle escalating enemy waves, combine powerful abilities, and take on challenging boss encounters.

Survive in the deep void of the galaxy against thousands of invaders! Nebula is a challenging bullet hell, twin stick shooter where you have to face endless waves of space enemies. Additional map resources and space drones can provide you a support but be wary, they can as well become a deadly trap.

A fast-paced, retro-style space shooter with challenging levels. Race against the clock as you blast and dodge through waves of enemies and obstacles, pushing your reflexes to the limit.

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.

A broke bounty hunter. A sarcastic robot. 1,000,000 credit debt. Star Scrap is a chaotic twin stick space roguelite. Blast through increasingly difficult waves of enemies to pay it off.

"Raiden" unites! Get ready to blast into a thrilling new dimension like never before!

Full Thrust, Full Inertia, Full Auto! FOXFIRE is a top-down sci-fi survivors-like with space physics and a devastating arsenal of evolving weaponry. Customize your ship and tear through alien swarms as routine recon missions descend into bullet hellscapes.

Voidrunners is a space bullet heaven where you combine unique weapons, equipment, and upgrades to create powerful builds. Explore maps filled with secrets, unlock new ships, and survive endless hordes of enemies.

Micron Survivor is a survival game with rogue-lite elements where you play as alien microorganisms under the microscope. Evolve, unlock research objectives, find symbiotic weapons, upgrade your builds, and fight hordes of terrestrial organisms to rule the microcosm.

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.

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.

Defend the galaxy from endless cosmic horrors. Dash and blast with fast, burst-based piloting, unleash powerful overdrives, evolve your ship with each unique run, and push your skills to the limit.

Blast hordes of alien ships into junk. Collect the scrap to upgrade your ship into an unstoppable force of destruction. Unlock new characters and weapons and upgrade your stats between runs.

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.

Can you survive the Empire's onslaught? Avoid the attacking enemies and upgrade your ship to last long enough to escape in this space survivorslike.

Astrolite is an arcade-styled bullet heaven in a race against time. Conquer each planet before the forces of the galaxy overpower you. The Galaxy stands united. The World Guardians prepare a final stand against their greatest enemy... that enemy... is you.

A cat, a slot machine, and a blue hell. Survive infinite alien hordes. Every kill increases your firepower, and every relic gives you a permanent multiplier. Stack them until your damage stops making sense, then pull the lever and create a whole new build.

Apple man Sam versus moustached vegetables. A top-down survivors-like roguelite where you pick a loadout, level up, upgrade your weapons, and loot items to blast through escalating hordes and bosses. Multiple loadouts, endless mode, and leaderboards. Complete quests to unlock items and cosmetics!

Rocket Rats is a survivors-like game where you defeat cheese-based astral bodies in space – as a rat! Clear waves of enemies, collect cheese, upgrade your gear, and conquer the moon!

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

"Epsilon Zero" is a fast-paced top-down action roguelike shooter where every mission is an all-out assault. Use devastating weapon combinations, unlock powerful upgrades, adapt your tactics, and exterminate everything standing in your way.

Revolocity is a casual 2D physics based roguelite in which you use your momentum to tear through hordes of enemies. Try to survive as long as possible, and get your score as high as possible. Run mutators and upgradeable abilities change the way each game plays.

Movement is your weapon. A sci-fi action roguelike and shmup combined, in Gunlocked 2 you'll pilot and upgrade a state-of-the-art warship against endless waves of deadly aliens. Deep customization, branching paths, and tons of unlockables offer endless replayability!

Fight through relentless waves of hostile robots in this fast-paced roguelite twin-stick shooter. Earn credits, purchase permanent upgrades, master multiple game modes, and chase your highest score. Every run is a chance to survive longer and push your limits.

Flaghead is an arena shooter roguelite where you play as a country, surviving through history from the dark ages into the cybernetic futures and beyond.

A twin stick shooter without the twin stick, Gunlocked is a sci-fi action roguelike about careful positioning and upgrade selection. Manage unique targeting systems across multiple weapons and upgrades, as you battle legions of alien ships, and then do it all over again!

A sepia Roguelike — lead a chained squad through 22 waves. Map events split your line, milestone recruits add firepower. Linked Blink, run upgrades, 19 Evolutions, and a permanent meta tree carry you to the final Boss Hydra.

Collect synergizing items to create an overpowered character to fight hordes of cyclops monsters. Cyclo Chambers is a fast-paced, top-down arena shooter with light rogue-like elements. 150 items to choose from to create frantic combinations. Different runs every time.

A top-down survival roguelite. Pilot 21 unique ships, craft broken builds from cards, artifacts and weapon evolutions, and outlast endless hordes and colossal bosses across 4 worlds. Take on a 100-level Campaign with a scaling Threat level, or dive into infinite Survival. Every run is different.

Stranded in Starlight is a top-down roguelite where you pilot a spaceship armed with a variety of unique weapons and utilities. Battle relentless enemy hordes and powerful bosses as you upgrade your ship, adapting to each challenge in an ever-changing fight for survival.

Play as a Magical Arrow and Fight for your Survival in the Space. A fast-paced arcade game packed with relentless and sci-fi enemy waves. Dodge, Attack & Upgrade and stand until the end in this Short & Minimally Designed Action Arena.

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.

Battle increasingly deadly hordes in an action-packed survivors-like with tower defense elements. Create unique builds, unlock and place towers, upgrade your character, and fight to defend the Kingdom of Stellara.

STARSHRED is a fast-paced, top-down action roguelike set in space. Shred the invaders, choose between powerful upgrades to create unique combinations, and survive boss battles that turn into bullet hell. Grow stronger with every run and destroy the threat invading the planet.