Top similar games like Cosmic Slime Defense:

It all begins when your child is abducted by mysterious aliens. Left with no answers, you discover an endless staircase stretching far beyond the sky—the only path that might lead you back to them.

Shoot to move, move to live, live to shoot! Blast Off Far Away (B.O.F.A.) is a space-themed, top-down arena shooter, with a focus on fast-paced arcade-esque gameplay, with the unique twist where movement is limited through the use of the player's gun.

Alien Breakout is a precision platformer where you control an alien that has been captured and must escape from the laboratory.

Fight back against a chaotic alien invasion in this fast-paced retro shooter! Blast through 54 levels, master wall-jumps and dash moves, and take down the mischievous beboks before they overrun the planet.

Crazy Gravity is a challenging Platform / Puzzle game about a little Astronaut lost in space, where your main objective is to energize your rocket and go home. Good luck!

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

Control the power of the sun in Solar Collision Control, a thrilling arcade game where you must survive as long as possible by avoiding obstacles, collecting stars, and completing challenging missions to achieve the highest score.

Harness the power of gravity to maneuver through challenging precision platforming and puzzle levels in this fun and kinetic 2D platformer!

Run and reverse gravity in this simple but unique platformer, clearing experiments as a cell that dies in one hit. Navigate microscopic alien environments, dodge hazards, eat cookies, and fight robotic bosses.

A space explorer receives a strange signal from an unknown planet. What is in this place? Help Mell discover the mysteries of this new land in this retro platformer with an arcade feel.

AIM　× 　ADVENTURE "AMNYAM” is a platform game in which you climb to the top and aim for the summit with your ‘Mouse Aim Skill’. It supports multiplay! With three difficulty settings, it's suitable for everyone from mouse beginners to aiming experts.

Delve into a story-driven adventure and channel your inner kitten in this challenging old-school platformer. Perform wall-jumps, evade deadly obstacles, hunt mice and use powerful abilities to destroy everyone who stands in your way!

Towering is a platform game that is inspired by Red Light, Green Light. You cannot move when the background is red but most objects become invisible when the background is green. Memorize the placement of objects during red and navigate the tower during green. A true test of skill and memory!

Charge your way through 5 fever-dream induced worlds, dodging a plethora of bizarre dangers on your way. And remember: Don't Die! Douche!

You're stranded. Navigate a perilous uncharted world full of freezing waters, and razor sharp rocks. You have ten seconds to breathe. Don't choke.

Breach In Space is a 2D shooting game with challenging combat and very hard platforming. Find a way back to home galaxy through 4 different planets.

On day 200 of a 365 day mission your ship suffers a catastrophic engine meltdown. Stranded in space one hundred light years from Earth, you must make your way back one light year at a time. It's going to be a long way home.

Thirty stages of hell in space to conquer. Easy to learn, hard to master, one more try syndrome, unadulterated stupid fun.

Intense 2D action-platformer set in a mining colony infected by an alien plague. In B.I.O.T.A. you can choose your hero, fight gruesome monsters, and customize your 8-bit retro experience with swappable 4-color palettes.

Don't tick him off! After losing everything he loved, Kevin returns as a raging cyborg. Unleash chaos with devastatingly diverse combat suits in this explosive, high-speed action platformer!

Complete an adventurous quest while parkouring through various enemies as a robot! Leap from platform to platform while dodging obstacles in this pixelated side-scrolling platformer. Fight bosses and uncover hidden areas while discovering the truth about your existence. Good luck, Droid404.

Break the laws of physics, dash and shoot your way through levels full of hazards and machines gone rogue. In this retro game, you control Project Gravity Storm, an advanced machine able to control gravity itself; however, the mother computer will not make things easy for you.

You are a brave sheep who was sent to space by the USSR to test a new spaceship, but it veered off course and crashed on an alien planet! You must travel across strange worlds and fend off enemies to make it back to Earth safely.

Alpha & Beta is a 2d platform game for those who love old platform games but with a few touches on this old style, the most important features are the high degree of difficulty and the promise of a satisfying gaming experience with a long gameplay time

A skill-based platformer where you control a frog with nothing but its tongue. Swing like a grappling hook, launch like a slingshot, and overcome deadly obstacles across a variety of handcrafted worlds — each with its own unique twist.

Leonardo da Vinci is broke, so he delivers pizza by flying machine. Steer with one stick, crank the rotor with the other and set your wobbling pizza stack down on balconies, ships and bell towers in 85 hand-built levels across a Renaissance city.

Retro platfroming action! Flip gravity at will as you navigate through challenging levels and battle enemies. Gain new powers and abilities as you progress. Unlock power-ups and items by collecting and spending gems.

In this fast-paced platforming challenge, precision and skill are key. Master 10 unique characters, traverse dynamic worlds, and overcome relentless enemies.

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.

Skewer them all! Control a spear‑wielding tank in this updated single‑screen arcade-like action game. Line up targets and pierce multiple enemies at once. Conquer each stage with a satisfying, steady challenge. 7 interwoven storylines gradually reveal the truth behind the unfolding incidents.

Flip gravity on the fly, master a multi-stage jetpack, slingshot across massive gaps, and use weapon recoil to launch yourself through chaotic levels. Evolve your arsenal through use, fight aggressive enemies, and turn the environment itself into a weapon in this high-mobility sci-fi adventure.

A missile's coming and your kids are trapped! You’ve got just seconds to save them! Run, jump, and climb to rescue your family before it’s too late! 💥🐭

Blitzstrike is a fast-paced 2D action-platformer where you play as Trixel, a sharp-tongued bounty hunter on a mission through a futuristic city and enemy-filled corridors, culminating in a dramatic showdown with her greatest threat yet.

Take on Mount Snoepje by flapping your way up with up to three friends. Be careful not to bonk too much or you might end up at the very bottom again. Hunt for highscores in the endless runner mode, dodging and defeating various enemies and bosses.

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!!

Shoot them all, jump, climb, use jetpack, shields, and platforms, slow time, and discover secrets on this hectic Sci-Fi adventure where you become the last hope of mankind in the shape of an awesome robot.