Top similar games like Star Knight: Order of the Vortex:

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.

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.

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.

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.

Brace yourself for an intense bullet hell experience! Fight your way through challenging levels, defeat bosses, upgrade your weapon and get the highest score!

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!

A wormhole has opened up letting aliens terrorize your city. Pilot your spacecraft and destroy the aliens using flamethrowers, missiles, gatling guns, shockwaves, and more!

Orbital Command is about controlling planet based weapon systems to defend your planets from large asteroids and hostile invaders. Will you be able to complete the Dyson Sphere, or will your planets end up barren husks?

A top-down "bullet-heaven" roguelite where you play as a futuristic space marine. Use a variety of damage and utility abilities in your attempt to survive. Earn tokens to spend on permanent character upgrades, ability upgrades, and ability mods that allow you to customize your playstyle.

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, collect, and survive. Every piece of salvage you grab makes your ship deadlier and tougher.

Test the limits of bio-mechanical clone Model 137 a.k.a BIOTYPE in this free, endless bullet hell. Master the Biotype's patented tri-laser and push as far as you can. Will BIOTYPE prove it can make a difference in the fight against the enemy in the real world?

A roguelite battle against cosmic evils - drop customized polyominoes, collect relics, and execute powerful combos to defeat your enemies!

"You're Invading My Space" is a fast paced, space themed, wave survival game where every run is unique. Fight off endless procedurally generated enemy swarms, upgrade and unlock your ships and weapons, and push your limits as this angry galaxy throws everything it has at you.

BroodStar is a classic arcade shmup with roguelike elements. Acquire crazy item combos, encounter strange events and fight challenging bosses on a quest to destroy the living planet, the BroodStar.

Spaced Liberation is a very small indie game about the liberation of a planet.

Orbit Run is an arcade sci-fi game with roguelike elements, in which orbiting asteroids are your only weapons. Catch asteroids and combine them to unlock their run-altering abilities. Skillfully manoeuvre to dodge attacks and land massive asteroid strikes to defeat the ever-increasing waves of foes.

Pewt 'em Up! is a retro inspired arcade space shoot 'em up with lots of upgrades, achievements, extras and more.

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.

An unknown signal pulses across the edges of deep space. Drive, shoot. Dodge, destroy!

Cards and Guns is a top-down arena shooter roguelite, where you’ll have to defeat hordes of creatures. Choose from a variety of cards and upgrades to create unique builds and survive to the end.

Fight off hordes of enemies, slay Bosses, Dash through enemies and push them off the buildings In this shield themed roguelite.

A fast-paced arcade rogue-lite about navigating deadly digital mazes, collecting energy, and staying alive as you slowly shrink to nothing.

Mystic Labyrinth is a top-down 2D twin stick shooter rogue-lite game. Choose from multiple starting classes and use swords, spears, axes and magic to conquer the many themed floors of the labyrinth.

Take control of humanity’s last resort in defending the planet from the many dangers outer space has to offer. Shoot or deflect incoming projectiles, harvest them from the moon and spend the loot on upgrades.

Grab the fate of all life in your hands. Blast your way through the cosmos, destroying monstrous cosmic beasts and the space cultists summoning them, on your path to stopping your mother from unleashing the chaos realm upon the universe, in this sci-fi cosmic horror bullet-hell, STARR RINGER.

STDB! is a rogue-like game about hardcore mercenaries and space marines escaping from a very cozy planet filled with monsters, nuclear fire, viruses and pixelated violence.

Gravity Slugger is an arcade-style wave defense game where you use gravity and orbital mechanics to fling projectiles at attacking enemy spaceships. Dodge enemies, gather salvage, and upgrade your skills with chaotic and deadly abilities in this physics-based 2D game.

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.

Beyond Lost Planets is an intense Roguelike Dungeon Crawler Bullet Hell. Fight through enemies and bosses across procedural worlds. Everything from weapons and bullets to powerup and companions is represented with cards. Grow absurdly powerful and create wild, unique synergies every run!

Deflect bullets and take down invading robot minibosses with just your laser sword, in pursuit of the highest combo!

Build towers and learn abilities to defend against swarms of hundreds of on-screen hostile alien creatures. Choose between sets of randomized upgrades that both upgrade you and the alien swarm. From enormous explosions to far-reaching flamethrowers, no two games are the same.

Dungeon Souls is an action-adventure roguelike dungeon crawler which draws heavy inspiration from Nuclear Throne, Risk of Rain, and Overture. Explore vast procedurally generated dungeons, collect loot, and slay hordes of challenging enemies!

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.

Rustwing is a twin stick shooter roguelike, set in the distant future. Navigate from star to star, battle the scattered factions of humanity, discover strange anomalies, customize your weaponry, acquire powerful upgrades and become a legendary pilot!

Intergalactic Defenders is a retro pixel art space shooter with rogue-like progression, handcrafted levels, deep ship customization, and intense arcade combat. Defend humanity against an alien invasion across the galaxy.