Top similar games like Retronaut:

This roguelike spaceshooter pits waves of enemies against you in your pursuit to reach the end of the galaxy. Improve your ship with permanent upgrades and select temporary upgrades during a run to pursue achievements and and kill bosses.

Build your ship, escape the swarm, survive for as long as you can. When you are finally defeated, upgrade your technologies to survive longer next time. Escape from Zeta Aurigae is a sci-fi ship builder with rich meta progression.

In Astrum Vanguard, a 2D horde-survival with bullet hell components, you pilot and upgrade your spaceship to defeat countless alien creatures. Survive the endless onslaught in the cosmic battlefield!

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.

SURVIVE the swarm in this rogue-lite + survivors + asteroids mashup! Exterminate as many alien drones as you can. Upgrade your ship from the crafted deck of equipment and power-ups. You are the Last ship against the Endless... Will your choices be enough to overcome the thousands hunting you?

S.R.A Project is a challenging roguelike bullet hell wave survival game. Face cosmic creatures, improve through skill and perseverance, and master a world that rewards learning and adaptation.

It’s time to cluck around and find out. Gear up and pull on the helmets of the Battle Roosters, a hotshot space brigade of poultry with panache. In this quirky, roguelike, bullet hell adventure you’ll combine weapons, upgrades and killer strategies to recover space’s best taco ingredients. Bwark!

A top-down space survival roguelite. Harvest crystallized spacetime, build your arsenal from 40+ absurdly named weapons, and hold off increasingly hostile void entities until the universe runs out of things to throw at you. It usually doesn't.

HOMESIDER SURVIVORS is a single player survivor-like auto-shooter. You find yourself far from home against countless hordes of aliens...but they're the ones who have to survive, because they kidnapped the wrong guy. Kill, die, level up, and try again until you get home.

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.

Command your ship in Conqueror Of The Galaxy, an intense roguelite survival and bullet hell game. Face relentless defenses as you conquer entire galaxies, overcoming swarms of enemies and choosing strategic upgrades to become the ultimate conqueror!

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.

This is a Prologue experience for Acid Planet, a strategic Wave-Survival Auto-Shooter game. In the challenging first mission you will build your base, command your drones and battle to survive against hordes of monsters and gigantic Kaiju.

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.

Space Ace is a 2D top-down shooter that focuses on upgrading your ship to fight through levels of Bosses and smaller enemies. Play with keyboard + mouse or Xbox controller.

Shatter endless enemy waves from the baseline, rake in gold and XP, level up and draft modules and ball upgrades to forge absurd builds, then hold the line as bosses widen the arena and the grid fights back!

Alone in the vast expanse of space, you are the Hyperspace Striker. Choose a unique class of spaceship and survive the onslaught of factions defending their territory.

Brutal arena roguelite with 10 heroes, 11 bosses, and deep progression. Fuse weapons to legendary tiers, stack chips for deadly builds, and master crits. Endless waves grow stronger every minute. Death is certain. Survival is the challenge.

Physics based roguelite bullet-hell-and-heaven horde-survivor action game. Research and upgrade spaceship. Traverse procedurally generated galaxies with ability to alter its conditions and effects.

Galaxy Hordes is an Action-Roguelike where you fight off waves of aliens across various unique planets. As you level up choose skills and passives to create a different build every run. Survive until the time is up and return to your ship with recourses to unlock permanent upgrades.

Survive waves of asteroids in the reversed bullet hell with meta progression. Defend your customizable spaceship from incoming asteroids by upgrading its systems. Use research lab for offline upgrades. Send expeditions to uncover the unknowns of the universe.

You thought you landed alone. You were wrong. Now you must defend yourself against waves of enemies in order to survive. Vanquish thousands of foes, master your abilities, call in reinforcements, and survive in a quest to become a true Defender.

Become an agent of vengeance in this bullet-heaven action roguelite! You are the lone survivor of your squad, on an alien planet with just your weapon, a jetpack, and the courage to keep fighting. Kill off alien swarms and transform their valuable guts into explosive upgrades and vital utilities.

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.

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.

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

A fast-paced survivors-like shooter with roguelite elements and round-based progression. Blast your way through demonic hordes in a futuristic post-apocalyptic world, fight bosses, upgrade your weapons and abilities, and survive the chaos of the NEOHELL

Astragene is a roguelite shooter where you will have to survive each level facing hordes of aliens. Improve your abilities, choose new upgrades, and create reactions by generating combinations of powerful elements. Each game will be different, will you be able to adapt?

Put together experimental weaponry to fill the screen with bullets and defend yourself from endless waves of foes

Starfighter Hero is a bullet heaven rogue-lite where you pilot and upgrade your starship. Unleash experimental weapons, amass escalating power, and steer your ship expertly to survive relentless swarms.

You are military volunteer. what? you did not volunteer? It's too late! You are already in the middle of the battlefield. kill the alien for the humanity! Marine Survivors is simple action rogue lite game. kill aliens, earn exp gem, upgrade your weapon. unlock various collection.

PhaigeX is a fast-paced "Bullet Heaven" space shooter, tasking the player to explore space sectors and contain a rising incursion of rogue AI-controlled units. Pilot a variety of ships, call in the support craft, and use a myriad of upgrades to lay down heavy firepower towards the enemy forces.

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.

Void Drift is a survival roguelike space shooter where you explore unque battlefields, evolve powerful weapons face relentless enemy swarms and take on bosses, adapt your strategy, and survive the chaos of the void!

Fight to the beat in a cyberpunk nightclub where movement is your weapon and rhythm is your health. Move, attack, and dash on the beat in this top-down rhythm action roguelike. Chain precise actions, build combos, and survive escalating waves as the music speeds up and the arena grows more chaotic.