Top similar games like Protect the Planet:

Board your spaceship and delve Into the VOID, facing waves of relentless enemies. Grow stronger with each battle to overcome Zentharian commanders and their “Bullet-Hell” attack patterns. This top-down roguelike shooter promises short but intense runs where your wits and reflexes will be tested.

Space Survival is the next great SIMPLE 2D casual space action shooter where you have to defend against wave of enemies, have fast reflexes and strong will to win. It is great way to relax, but also a great challenge. How long can you stay focused?

You say you're a confirmed typist? You're going to have to prove it....

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!!

Survive in the deep void of the galaxy against thousands of invaders! Nebula is a challenging bullet hell, twin stick shooter where you have to face endless waves of space enemies. Additional map resources and space drones can provide you a support but be wary, they can as well become a deadly trap.

This is a retro space shooting game, where you only fight against the strongest enemy. There are 15 unique bosses in the game, and players need to use different weapons and strategies to defeat them. Dedicated to you who are both challengers and retro game lovers.

This action packed sci-fi match three shooter is an homage to the classic arcade games we grew up with.

A roguelike survival game in space. Stranded in space, you must fight to survive as long as you can! Dodge or destroy asteroids, collect ice shards to survive. Find power ups in from your ship, get out before they destabilize and explode! How long can you survive in space?

Do you miss the times when games were not holding your hand? When they did not forgive mistakes and controls and rules were clear and simple to learn? YES? So you miss the 90s!

"Space Candy is a captivating Arkanoid game with a cosmic twist. Collect space sweets by breaking blocks with a ball-controlled platform, while battling pesky aliens. Enjoy diverse bonuses, challenging levels, and exciting power-ups in this action-packed space adventure!"

Grav Blazer is an arcade space shooter with a focus on fast paced action. Skill based firing mechanics, rotational controlled power attacks, increasing level difficulty, and endless procedurally generated levels are some of the features players will experience.

Devastation - Annihilate the Alien Race, is a 2D, dual stick shoot em' up, bullet hell, arcade game. Tear up hordes of aliens with skill based game play, bombs & upgrades to obliterate everything!. Gun down 11 massive bosses, bank insane score on the leaderboards & overcome clouds of enemy fire.

Dodge, defend, and destroy! Engage in a frenetic shoot 'em up, facing relentless bullet streams that test your reflexes. Experience dynamic shifts between vertical and horizontal views as you fend off endless enemy waves. Use polarity shields for defense and strike back fiercely. Conquer the chaos!

Defender's Squad is a sci-fi vertical scrolling shooter 2D that combines 7 different levels. Play Solo and pick one of the 3 ships to kill enemies and save the earth from aliens.

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.

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 retro-inspired 2D space shoot-em-up. Mine asteroids! Shoot alien saucers! Get rich or die flying!

Call your friends and lead your squad through the outer space and protect your planet from asteroids and alien ships on this local shoot'em up. Shoot, evolve e explode these space enemies.

Dark Galaxy is a fast-paced action roguelike top-down shooter. Pilot a space drone to battle an invasive insectoid species. Illuminate the darkness and grow stronger as you travel to different star systems. Can you free our galaxy from the invaders?

To start the game, select a level from the suggested ones. Start your journey and defeat the boss to go further.

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.

Command destructive spaceships to obliterate hordes of enemy vessels, while quickly solving puzzles to weave through networks of vibrantly colorful, adversarial machines!

80's vector style Twin stick action with a booming soundtrack and permadeath.

Frantic 4-player laser ricocheting top-down shooter. Keep it casual and enjoy the chaos, or master the surprisingly deep mechanics to obliterate your enemies. Duke it out locally in free-for-all or 2v2.

The humanity succumbed against the power of a aliens intergalactic empire, but managed to organize and establish a resistance army. Join the rebellious seekers of peace and help them defeat the evil that haunts the Earth.

Defend Earth's orbital station from alien invaders in SPACE WARS, a fast-paced arcade shooter. Customize your ship, upgrade weapons, and battle through intense levels to save humanity in this action-packed space adventure.

Spacejack a UFO and turn alien tech against its owners across 49 action-packed stages. Use black holes, nukes, slow-mo, and more to survive escalating waves and save the planet.

Become a Cosmic Guardian in this thrilling space shooter! Defend Earth from alien threats, battle colossal bosses, and save the universe. Play solo with A.I. or team up in co-op mode. Level up, unlock abilities, and collect power-ups for an epic adventure!

Prepare for a radical shift in Bullet Hell gameplay! In Cursor Survival, you're not piloting a character - you embody the... CURSOR! Unleash a new, utterly insane way to evade, strike, and endure in a chaotic universe of projectiles and adversaries.

Destroy waves of UFOs in a arcade style space shooter with an array of powerful weaponry.

Control a rocket in this fast-paced 2D game, blasting meteors and dodging obstacles to achieve the highest score possible. Take on exciting challenges and climb the leaderboard!

Nova wing a fast scrolling space shooter for up to 2 players. Fly through the many levels defeating the many swarms of aliens, Bosses and other assorted defences. Collect energy from the defeated aliens to help upgrade your own ship.

Invaders from the Lost Sectors is classic arcade action. Aliens descend with increasing speed towards your base. Shoot them all before they land. Player controlled settings like guided missiles, rate of fire, enemy speed and more help you customize exactly the game experience that you want.

WE HAVE ALIENS, YOU DON'T—Blast Martian invaders and flying saucers across 30 stages with robotic voice effects. Use your destructible shield, rescue army men for bonus points, and chase the high score.

A new dimension on the classic shmup genre, take to the skies as a rookie pilot thrown into the deep end. Prove yourself in skies as you battle devious enemies and work become a hero pilot in Iron Flight Air Force.