Top similar games like Starship Kepler:

Welcome to the world of Polygun, an endlessly customizable hero shooter where you battle against an ever increasing hoard of bloodthirsty shapes! With an array of upgrades to choose from, you'll quickly build from humble beginnings into a hexa-bustin killing machine!

Geometry Wars: Retro Evolved is a old school style shooter, but remixed for the 21st century with next generation graphics and deep, modern gameplay. Playing is simple: you are a geometric "ship" trapped in a grid world, facing off against waves of deadly wanderers, snakes, and repulsars.

Cell #31 is a twin-stick shooter bullet hell game where you play as a lone cell fighting for survival.

Fight through waves of enemies across shifting arenas, buy upgrades between stages, invest in new ships, research permanent upgrades between runs, and compete on the global leaderboards in this blood-pumping twin stick shooter.

Trigonarium is a hardcore twin-stick shooter for fans of challenging arcade gaming. Fight your way through multitudes of enemy formations in constantly shifting battle arenas to face the colossal level bosses.

Experience the ultimate challenge in Eclipse Survivors, a bullet-hell / area shooter game featuring epic bosses inspired by classic 16-bit titles. Collect XP gems, master unique skills, and dodge countless enemy bullets as you face off against hordes of foes. Will you survive the eclipse?

Battle the virus in survival like game. You play as a tiny cell, fighting off infected cells and gathering resources to upgrade to infinity.

GunDeck[100] is a lightning-fast twin-stick shooter where you’ll build your arsenal from randomly-dealt cards. Weapons fire in a rainbow of elements with unique effects. Dart and dodge to survive the fireworks unleashed against you, and retaliate with your own display! Can YOU survive to wave 100?

Fight in an arcade arena against tons of enemies with weaknesses to be exploited. Progress through a campaign of 75+ levels each presenting a new challenge with different win and fail conditions. Gameplay so tight and colorful it will bring tears to your eyes.

A color matching space shooter about saving your home planet from total destruction!

Alpha Force Zero is an intense top-down bullet-hell adventure that requires skill and planning. Utilize multiple weapon systems including an Auto-Turret with adjustable firing modes and unlock upgrades that you can equip in your ship to give you the upper hand. Dodge, fight, survive!

Dodge, shoot, survive! Polygon pursuit is an arcade-style twin stick shooter where you are pursued by multiple enemies constantly. You play as a lone circle confined in a polygonal world fighting to survive against waves of unique enemies. This is not an easy game.

A sci-fi twin stick shooter stripped down to the bare essentials with focus on smooth controls and satisfying action.

CometStriker DX is a fast-paced arcade-style shooter where you boost through danger and blast everything in your way!

#Funtime is an explosive twin-stick shooter where shooting isn't your only weapon. Swap your ship's color to destroy enemies, avoid damage, and ultimately control the battlefield.

Ogo is an arcade twin-stick shooter where you control yin and yang to defeat your enemies, complete varied levels or just relax in different endless game modes.

Blaster Panic is a 2D space shooter where you defend your home base against an onslaught of enemies. Fight through ongoing boss battles. Last as long as you can to dominate the leaderboard.

Shoot, loot, and toot your way through Saturday morning cartoon inspired Floops Big House Adventure! This love letter to 90's and Nickelodeon cartoon style will have you rolling with laughter as you defeat hordes of evil monsters and giant disgusting bosses.

WE ARE DOOMED is a twin-stick shooter where you zap polygon baddies with an absurdly overpowered laserbeam. Dive head-first into the action with reckless ambition, charge the SUPERBEAM, and zap everything out of existence in an instant.

Ascending Madness is a hardcore, psychedelic, twin-stick shooter adventure. Assassinate a renegade scientist who appears to have gone completely insane.

A fast, twin-stick shooter micro-roguelike with bullet hell elements, chunky weapons and satisfying destruction. Your AI friend AL4-N will help you along the way with new weapons, upgrades and vague moral support, as you attempt to beat the Scunners Run.

Cosmic Zephyr DX is a fast-paced 3D bullet hell game, where you duel with angels as you soar through space.

Classic 80s inspired shooter

In this Bullet Hell shooter, the more enemies you shoot, the more enemies spawn! Keep moving so you don't get surrounded, and shoot enough enemies to clear each level.

Twenty Six is an arcade action game where you play the same game across the multiverse! Move between different verses and see how things change, and reach the final verse!

SPLIT BULLET is a game all about 'splitting up' a massive crowd of enemies—yes, those polygons—crawling towards you. Don't let 'em get you and survive as long as you can, by using your instincts and weapons.

Enter the neon world of OVERWHELMED! Fight waves of enemies, using shooting and dashing skills to evade fire. Trigger your special Overdrive ability to defeat enemies more easily. Unlock characters, each with unique abilities and varied arsenal, to discover new gameplay styles.

In this colorful twin-stick shooter inspired by 2000's-era Flash games, survive several waves of uniquely deadly enemies with your wits and skill. Choose wisely from a tree of upgrades after each wave to refine your strategy and bring down your foes. Live to see what lies at the end of the horde.

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.

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.

Outnumbered is a mass-enemy top-down shooter with rogue-lite elements. You may be greatly outnumbered, but not outpowered. Evolve into the ultimate weapon of destruction!

Dodge the music and dance through a mesmerizing ballet of choreographed bullets, each synced to music from over a dozen international artists. Push your creativity and skills with the fully-featured Level Editor and never run out of things to dodge.

You are tasked to destroy the swarms of alien invaders as they attempt to annihilate your race from existence.

AREA WARS™ is a fast-paced 2D omnidirectional shooter where you battle enemies from every direction in a constantly changing enclosed area. Defeated enemies trigger chain explosions that engulf nearby foes and boost your score multiplier. Built for short, repeatable runs with score-focused gameplay.

Clear hordes of cosmic critters in this simple 2D shooter but be carefully, bullets that exit the arena will warp behind you and become dangerous to you ship. Whatever goes around comes around.

Shoot and dash your way through frantic missions! A twin-stick shooter set in a rotating world. Unlock weapons, move quickly and fight tons of bosses.