Top similar games like Protect the Earth:

You have been created by a mysterious monolith with a single goal: to retrieve five force crystals back to it as quickly as possible. Deal with the plights of space physics, evade the locals, and complete your mission as soon as possible.

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!

Use the force of gravity in this fast-paced space shooter with realistic physics and orbital mechanics.

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!

Subteralien Rescue is a physics based sidescroller where you pilot a lander module assigned to explore underground caverns and bases. Travel from planet to planet to encounter new levels with different puzzles and environments, rescue your fellow pilots and fight enemies.

AsTroops is a roguelike card-based space combat game. Build your fleet, choose cards with machine gun, rocket, and electric weapons, and fight real-time battles to break the alien blockade.

Blast into the chaos of Space Rocks in Space, the ultimate 3D space flight adventure. Pilot customizable ships, explore stunning worlds, and battle through asteroid storms, UFO attacks and endless missiles barrages in this retro arcade odyssey.

1 Player, Sci-Fi, Arcade, Space Dog Fighter, Instant Action, 3D, Vehicle Combat. Click and play. All ships available without needing to unlock. Control Remapping, Sensitivity Settings, Game Settings. Complete Controller Support. Gun Selection. Achievements and Leaderboards. 43 Ships to pick from.

Defend Terra against the onslaught of hostile invaders in this 2D top-down space shooter. Upgrade and empower your ship's different systems to stand a chance against the growing threat. If you fall, Terra falls, and the rest of the galaxy will soon follow.

It is an awesome space war game. It is a very simple game. Move the spaceship and shoot the asteroids. Try to make the highest score. It is an easy and time killing game. You can play to rest and relax between the big games you play.

This is a small arcade game in which you are a skilled pilot and you have to complete all levels. Use your arrows to move around, and avoid collisions. Shoot the destroyable meteorites for extra points! Every level has its own high score, try to beat it!

Pew Pew Pew, KaBOOM! is a challenging old school arcade game filled with action! Unlock new costumes and enjoy the awesome Chiptune OST as you reach new highscores!

No nonsense, action packed, 2.5D, Asteroids inspired shooter. Scream around speeding rocks narrowly avoiding an untimely death as you obliterate rocks whilst harvesting their valuable resources. See how far you and your friends can get. Best played with mates but also pretty fun on your own.

Repel extraterrestrial entities!

Cosmo Tales is a third person, action adventure inspired by the '70s retro sci-fi aesthetic mixed with modern looks and gameplay. Use the dimension shifting ability to change between realities as you fight your way through the outer space.

Pilot the Ultra Imposer drone and eradicate the enemy army with your blasters or lock-on to multiple enemy targets and unleash a barrage of seeker missile destruction. Ultra Imposer is a third-person VR-only shooter action game on rails with unique gameplay and boss battles!

Insane destruction-focused sandbox space shooter. Blow up whatever you want with blasters and missiles, customize and upgrade your battle rig, join factions or lead your squad. Progress, grow stronger, and become a legend of the galaxy!

Starbase Gunship places you in the seat of a weapons officer on a state-of-the-art Gunship as you defend a remote outpost from an Alien invasion fleet. With access to laser cannons, missiles, miniguns and nuclear warheads, you are the last line of defense between humanity and the alien invaders.

Firehunt is a prologue for the main story One Way Road. Take part in space battles as you travel across the galaxy and fight to save humanity. This cinematic narrative driven action-focused space shooter, will take you on a journey into the near future, and put the destiny of mankind in your hands.

VRAstroSmash is a seated, casual scifi arcade style shooting VR only game. Destroy asteroids, space junk, and UFO'S. Up to 4k textures and 150000 polys. Ship auto upgrades through the game progression, such as auto fire, ship repair, increased weapon cooling, and flight controls.

Dodge, collect, and survive. Every piece of salvage you grab makes your ship deadlier and tougher.

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.

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!

PlanetDrop - A Tiny Space Adventure is a computer game where you command a spaceship in an orbit of a planet. Your primary task is to capture "drop zones" with your shuttles and commandos. You rely on stealth, agility and speed, rather than on firepower.

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

One Way Road is a story-driven action game combining elements of Scroll Shooter, Top Down Shooter, and Tube Shooter. Take the helm of a space cruiser, explore the galaxy, and fight in stellar battles to save humanity.

You're here because no one else can fly this hell-run. Heroes died a long time ago. You’re what’s left.

Timeloop Titans is a fast-paced space arcade shooter where you defend the breathtaking Planet Gaia from relentless alien invasions. Upgrade your ship, conquer challenges, and save humanity in this cosmic battle for survival!

FastFly is a musical rhythm game set in space. Avoid obstacles while moving and rotating around a spline. Some of them can be smashed into fragments or melted by lasers. The game has good interface and many game mechanics. Dive into the world of music!

Fast top-down space shooter with varied missions, relentless enemies, powerful ship upgrades, and most importantly, fire.

Gravity Cab is a multi-platform 3D action-adventure-puzzler in which players take on the role of a flying taxi driver, transporting passengers and navigating challenging environments influenced by physics.

Gratuitous Shooty Game is a hobby space shooter made by the developer of Gratuitous Space Battles, reusing the art from that game :D.

"Astro Wings: Space War" is a retro style, exciting and authentic bullet hell, space shooting game.This game brings you the thrill, urgency and fantastic experience of an authentic arcade shooting game.

A sci-fi space vehicle combat game, where the player must defend their capital ship from being destroyed, while attempting to destroy the alien force's own capital ship!

Master fast paced gravity manuevers in this arcade space game.

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!