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

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.

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!

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.

Move, shoot. Dodge, destroy! How long will you survive ?

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

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

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.

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.

Blast through waves of enemies, collect powerups and test your skills against challenging bosses. It is a modern take on classic space shooters, blending accessible gameplay with roguelite progression. Compete for the top spot on the global leaderboards in 15 minute runs.

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.

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.

Hell Bug is your classic rogue lite game with a twist of mutant bugs and building your army by raising different babies with unique abilities. Learn about the Big Bug War and mystical mutants, how they were made in secret labs with dark experiments.

Meme Survivors is a casual game with a vibrant visual style predominantly made up of popular memes, featuring simplified roguelike elements. Waves of Cheems, Doge, and other enemies face off against Pop Cat and his friends!

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.

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.

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.

Fight to survive in this intense twin-stick shooter! Hold off against increasingly dangerous waves of enemies by equipping yourself with items, sentries, and drones. Piece together ridiculously powerful builds by finding creative item synergies and unleash hell to defend the outpost at all costs!

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

Brutal, high action, randomized run n gun blast a thon.

A fast-paced single-player arcade shooter, 'Intergalactic Defenders' combines strategic rogue-like elements with classic space combat, where you, as an elite pilot, engage in thrilling battles to save humanity from the alien Caedons.

Get into the cockpit of an ace pilot fighting in the galactic war in this sci-fi arcade top-down shooter. Participate in numerous campaign missions to explore the story of Magnificent-1 and enjoy the arcade mode to strive for the highest score.

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.

Roguelike missile command. Survive as long as you can aboard the Ark, humanity's last hope, in a hostile galaxy.

Cyberdrive is: Waves of enemies constantly attacking without giving you a break Average lifespan at easy difficulty 1 minute. Only one thing is required of you "KILL YOUR ENEMIES !!!!!"

Rick Henderson is an endless horizontal-scrolling shoot 'em up with infinite replayability, a true homage to 16-bit shooters wrapped in graphics we all loved. Twitch your fingers through five enemy factions and their bosses, upgrade your ship and try to survive through unpredictable space events.

This is a rogue-like top-down shooter where you control a spaceship that is sent out to explore the caves on the Moon. Once you enter the caves, you find out that there are enemies. It is up to you to survive against them while also trying to find the path down to the next level of the caves.

Cosmic Cursor: Prologue fuses simple mouse-based controls with a challenging, reactive bullet hell for the ultimate pick-up-and-play roguelike experience.

lone.AI is an upcoming 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.

A quick and action paced retro styled arcade shooter, or shoot 'em up (shmup) if you like. Perfect to play in short chunks, like when you are waiting for big games to download.

Go on a campaign to dethrone the kaiser! Build an army, strengthen yourself with powerful artefacts and defeat the forces he sends to stop you. Kaiser is a casual roguelike game where you fight thousands of enemies in an attempt to become the new kaiser.

A micro horde-survival roguelike where time only moves when you do! Level up, choose your skills and slaughter thousands of monsters. Jump in the monster-slaying arena and piece together your collection of gear, characters, and stages to become the ultimate survivor!

Galandrix is a rogue like arcade game played from a top-down view and features both fast-paced action and real time strategic choices. Select your ship and blast off into the unknown against countless hordes of enemies.