Top similar games like Guardian: Planet Defense:

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.

Super Duper Arcade is a compilation of reimagined timeless arcade classics. A passionate love letter to 1980s and 1990s arcades. Chase high scores in single-player mode or go head to head with a friend to see who's worthy to call themself the Master of Arcades.

Defend Spacebase 19 from the asteroids swarming down on the station! Shoot down waves of stones and equip different powerful weapons. How many waves can you last? A simple nostalgic retro arcade turret defense shooter.

Very dynamic arcade game with many different types of blocks, enemies, and power-ups. Play as a cute penguin that jumps out of the plane and smashes his enemies with basketballs, fire balls, acid balls, explosive balls, and boomerangs.

A combination of platforming with a gravity gun, BEEP is an amazing physics-platformer. Despite its friendly art style, this is a hardcore platformer in the truest sense.

Tank And Roll is an Action-Shooter game that challenges players achieve the highest score! There are features such as unlocking new vehicles, drawing your own vehicle, and importing custom avatars for your character! It offers both fun and a rewarding challenge for those who dare to master it!

Oh no! Anxiety Bot has found himself in a meteor field! Try to help him survive as long as possible in this cozy, laid back arcade shooter. How long can you keep him safe?

Super Red-Hot Hero is a frenzied action-platformer, indie game inspired by Super Mario Bros., Super Meat Boy and Mega Man. Teleport through Red-Hot Energy at the speed of light, punching and shooting the TV robot forces of the Kazan Army in your path to save your island!

Operation: A.S.S. Takedown is a cozy 2D side scrolling roguelike cute em up. You take on the role of an intern at Weather & Air Productions(WAP) as you attempt to take down weather balloons set up by rival company Atmospheric System Services(ASS).

Red Horizon is an addictive space shmup game. Heavily influenced by the classics of the past, Red Horizon takes a modern spin on the genre combining it with some subtle Rogue-like elements to provide players with a unique experience every time they play.

A space game about swinging trash into things and dying.

An unknown signal pulses across the edges of deep space. Drive, shoot. Dodge, destroy!

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.

Alien Wall is a powerful genre mix between a brick breaker and ‘shoot em up’. Modern retro Arcade fun at its best!

An endless rain of asteroids is approaching.Defend your home planet to the bitter end. Survive as long as you can. Orbital defense unit returns as a 2D shooter to the roots of the arcade classic Asteroids.

Good old fashioned 2D arcade fun with tons of upgrades and fast paced action where taking risks is rewarded with a higher score. Defend humanity's last source of energy wrench in one hand, laser gun in the other

You are the Squad Killer! Blast through this retro arcade experience guns blazing! Hope you brought your reflexes because this pixel art massacre offers some good old hard core button mashing fun!

Infinity Wings - Scout & Grunt Take control of your chosen fighter (either Scout or Grunt) in this side scrolling shooter.

You wake up in your cell, but this time the door is open and strange creatures will chase you across amazing worlds. You have to look for objects and tools scattered in the labyrinth that can be used to finally stop this threat. Only then you can come back to the peace of your cell.

STRATAGEM is a sci-fi arcade game where you must launch escape pods without sending active ones into colliding orbits.

Top-down arcade game requiring awareness of the rotation of all controllable guns. The guns may help or hinder the progression of the puck to the target zone. Although one gun may be the player's primary focus consideration should be given to upcoming behaviour caused by items in their periphery.

Up for some retro arcade action? Extra weapons, upgrades, smart bombs etc are your favorite tools? Then this great arcade clone is for you! Survive waves of evil creatures in this fantastic, fast paced side scroller. If you like games like Defender, Data Storm or Drop Zone, you will LOVE Fairy Fire!

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.

Minions.... To your weapons! Take your sniper or M4 and destroy your opponents!

Save Earth from an invasion of intergalactic chickens! Finger-blistering arcade shooting action for one or two players.

Mars is under attack! An unknown enemy is dropping bombs on the peaceful red planet. It is up to you to fight off the onslaught so the innocent can escape. Run (umm...slide), jump and blast your way to freedom in the arcade-inspired goodness that is Martian Law. Save Mars!

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.

Metaloid: Origin is an fast-paced gun’n'run 2D platformer. Take on the role of one out of three android warrior's known as “Predator” and dash through 9 different levels in order to save their planet from an robot army led by Lucian Corp, whom invade their planet and exploit the planetary resources to fuel their galactic war efforts.

Project CUBE - Its a game that forces you to replay the level to learn more. The game gets increasinly harder after level. Can you fight all the enemies and finish the levels?

ASTRO ACE is a retro-style addictive arcade space shooter. From the distant universe, an evil alien fleet is invading the solar system. You will have to ride a powerful spaceship and fight against endless waves of enemies.

Lead the vegetable revolution alone or with a friend in the side-scrolling shoot ‘em up Rutabaga Desert Storm! Take down wave after wave of enemies, dodge their projectiles, and grab power-ups to boost your destruction! Can you defeat the oppressive humans and free the proletariat vegetable masses?

Tartaron is top-down shooter with an old-school art style and a variety of levels to beat. Engage in close-range combat, or snipe your enemies from afar, it's up to you.

SpaceDRG is a high-octane, motion sickness inducing action game featuring cute pixel art graphics. Fight against the letters D, R & G in a space themed 1980s retro arcade environment.