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!

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.

Saber Survivors is a survival action roguelike where the evil galactic emperor has declared that all “Space Wizard Samurai” must be exterminated. You, a Space Wizard Samurai, must fight to survive. And your only weapon… a saber to deflect laser beams.

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!

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.

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.

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.

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.

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

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

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.

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?

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.

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.

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.

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!

Beyond The Brink is a top-down spaceship adventure game where you mine, trade, and survive on the fringes of colonized space. Upgrade your ship, explore asteroid fields, face pirates and aliens, and uncover treasures in the dangerous, uncharted reaches of space.

Survive in space by dodging strange obstacles in an ever-changing gauntlet and reach the end to defeat entropy. Fly with limited resources, get stronger with upgrades and make the right decisions in this action arena rogue-lite. Warning: there is only 1 way to live but 42 ways to die in space...

Blast aliens, collect upgrades, and survive long enough to make it out in this sci-fi mashup of "Asteroid" and "Vampire Survivors".

Craft a starship from hundreds of unique weapons, battle through waves of enemies to rescue stranded survivors and gather resources - Use them to rebuild your homebase and unlock powerful upgrades. Restore the lost civilization and strive for a new future for the people of Verdantia.

Welcome to Solitary Sentinel, a captivating modern reimagination of Space Invaders and Missile Command, where you must defend against constantly evolving enemies by upgrading a single Sentinel. Enjoy simple controls, and deep strategic gameplay as you fend off the relentless onslaught!

Deploy your turrets and defend against an ever-growing mechanical horde! Upgrade your turrets separately in unique ways, use unique character abilities, and create powerful synergies.

CODE OR DIE! Hack enemy systems & survive the security response by engineering lethal bullet-heaven algorithms. Your brain power determines your firepower across 150+ programming nodes. Debug your failures. Optimize your code. Complete the heist. HACK THE PLANET!

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.

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 and die trying!