Top similar games like KaBoom!:

Blast and weave your way through enemy fire while managing a wide variety of ship power-ups in this retro style horizontal shoot-'em-up!

Code Arcturus is a retro inspired arcade-style action platformer, with aliens, robots, spikes, explosions, and lots of coins. Blast your way through levels, compete for the fastest times on the leaderboards in Speedrun mode, or put your skills to the ultimate test in Nerfed mode

In this 2D sidescrolling rhythm game use your MIDI instrument or computer keyboard to guide a robot alien cat through space!

An action bullet hell. Dodge enemies attacks and collect upgrades to make it to the end of each level.

Classic multi-directional (360°) shoot 'em up. Navigate your UFO through hazardous environments with dangerous enemies and beat huge bosses!

Escape Space is a classic arcade space shooter with RPG mechanics. Fight for various factions against swarms of enemies or bosses and improve your standings, level up your rank, unlock new gear and weapons, and upgrade your spaceship.

A sci-fi retro side-scrolling shoot-em-up / rescue game.

Jetpack Kiwi is a classic 2D side scrolling shoot em up game featuring 20 levels, 5 bosses, hordes of enemies spaceships, with multiple characters to choose from; each one with an unique special attack. Complete the game in single player or with a friend in local co-op!

Space Yugoslav is an old school 2D shooter where you play as a bounty hunter named Nada. Survive another day/night at your very risky job, save the space non-alignment colonies from police raid and get back home at one piece alive! 7 levels, loads of new-retro-feel SHMUP fun!

Gear up for an intergalactic thrill ride! Space Elite Force is a frenzied space-shooter packed with weapon customization and epic boss battles. Take command of your ship and fight for the survival of humanity!

Cross the universe, shoot aliens, upgrade your weapons and face powerful bosses with AB in this retro inspired lateral shoot 'em up to save the world. Adventure into Campaign Mode or face the never-ending waves of Endless Mode with suitable challenges for all skill levels.

Planet Cube is being invaded! Prepare to run, gun, jump and dash your way through an underwater science complex, collecting fire-power to turn the tables on a mysterious aggressor. This is high-speed adventuring set in a hand-crafted pixel art world, filled with precision platforming and thrills.

Explore digital world with a cute cat-girl named "Knuffi" in this 2D pixelart platformer. Navigate through a variety of levels, each offering unique challenges. An adorable adventure awaits!

Bad Chicken is a retro styled sideway scrolling shoot-em-up inspired by the retro classics. It takes place in 8 locations in the Ferus system, each one with different challenges, and dangers.

Squab is a young pigeon who woke up in a cage, but his father Maximus had disappeared, leaving only a red cap behind. Find out how to save Maximus by overcoming unimaginable challenges in this thrilling and exciting adventure.

Quadroids is a single-player puzzle platformer with a twist! Don’t be fooled by its simple pixel-art style and put your neocortex to the test while you try to control 4 screens by yourself and clear 100+ mind-twisting levels!

When scientists succeed in creating super smart machines, the machines turn on their creators and threaten the future of mankind. Only one plucky blue robot can save them in this twenty-level action packed platformer!

2D pixel art platform game in which you are in charge of eliminating alien enemies that try to conquer your planet.

The Japanese just love their famous German-inspired Baumkuchen cakes, and hungry invaders from across the universe have discovered these delicious treats too! Are you up to the challenge of protecting the precious desserts from waves of alien attacks? Save the cakes!!

Back with new weapons, new enemies, and with more circuits to break than ever! Destroy millions of robots in this free-to-play shooter with up to 6 players.

Highly addictive 2D vertical and horizontal retro-style shoot 'em up. Colourful stages with sound and vision inspired by a golden age of video gaming. Designed to be a beginner friendly introduction to the world of Shmups and Bullet Hell Games! Totally Free!

A twin stick, fixed shooter, bonus hell, pixel art, shoot 'em up. Aliens have invaded and you, a blue housecat with a stretchy head, are, of course, our last hope. Fight the aliens on earth, under the ocean and in space in this risk/reward based fixed shooter inspired by old arcade shoot 'em ups.

Retro 2D collection of 4 micro games

Syder Reloaded revives the Syder series in this love-letter to 90s Amiga shmups with upgraded graphics and refined gameplay. Challenging levels, a fleet of ships and a motherload of alien invaders. Get back to your roots and curse at your monitor in this skills-first shooter.

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!

Retrowave Rider is a precision-platformer where you control the character and the level. Explore synthwave worlds with retro visuals and smooth synth sounds. This journey is filled with trials and triumphs.

A Difficult Game. Jumper Starman is a Classic Platform Game. A Pixel Art Game for the best players.

Space Elite Force II is a frenetic space-shooter with weapon customization and insane bosses battles. Embark in your ship and fight for the survival of the human race!

Popcorn Rocket is a silly food based old-school arcade space shooter. Pilot the Popcorn Rocket as you blast through hordes of food spaceships in order to save the galaxy from the evil Nebula Empire! With a wacky cast of heroes and villains, Popcorn Rocket will leave your stomach wanting more!

Remember the golden age of arcades playing a game with all the classic 80's/90's space-shooting features. See how far you can go by destroying all enemy robots that are ready to planet earth attack.

Choose your spaceship and defeat the alien threat that comes from the Moon. Blast your way crushing, ripping apart and exploding hostile aliens that are taking control of powerful weapons and military technology from Earth. Find the entity that controls the threat and make it explode into blood.

Space Strider is a 2D Sidescroller Shoot 'em up with Roguelite elements, where you beat hordes of enemies and defeat unique bosses. Unlock, upgrade and level up your Spaceships to become the ultimate Space Strider!

Side-scrolling, retro 2D shoot'em'up with rogue-lite elements. Survivors-style game.

ONE MORE LINE is a highly addictive, one button, space disco, skill timing game! Steam edition features 2-4 player local multi-player and no advertising. All for a very low price! Can you put a price on fun though?

The best shooting game with various perspectives

Oddinary Highway is a retrofuturistic shoot’em up with roguelite elements and ever-changing game mechanics. Set out on a dangerous journey through the hyperspace known as the “Oddinary Highway” to face Boss and his robo-mafia.