Top similar games like PolyDestroyer:

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

Dwarf Star: 16 bit inspired game where mercenary go shoot shoot on evil alien guys who were accidentally fabricated by the government. Top down space shooter with a mission based structure. However, you can do these missions in plenty of different orders with different amounts of upgrades.

Retro-inspired arcade-style shooter. Save humanity from incoming waves of flaming hot meteors, alien ships hell-bent on destroying humanity, and the strangeness of space by shooting, blasting and nuking incoming waves of meteors and enemies.

Time and date are not important. Aliens have boarded a military vessel deep in space. Little do they know, #T217, a combat clone onboard the dreadnought, has been waiting for them. Use a wealth of weapons and mechanics to eliminate them with expert precision.

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

Asteroids are headed directly towards Earth. Destroy asteroids before they can slam into Earth. Earn medallions to purchase ship upgrades to help in the fight to save Earth.

A space theme of a small casual shooting game. There are two perspectives, the character and the ship. The player can control the character/ship, dodge or shoot enemies, and replenish energy and various items consumed by collecting. Collect discarded parts and items to enhance character abilities.

Crossfire II is an Retro / Arcade / Top-Down Shooter, originally released in 2002 for the AMIGA. The main part of the game is a classic, fast paced, single player story campaign. Fly different space ships and fight, to save the universe as you know it. Also you get a survival and a local PvP mode.

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.

Kill it. Take its gun. Rinse and repeat. WARNING: You will die. A lot. Probably. This 2D Retro shooter is about as hard as it can get, but repetition and good luck will cut though everything like warm cheese. This game grows with the community, and more bosses will challenge you in the future.

This is a party game that combines trading and action elements. Your goal is to establish good trading "affinities" with planets through trading. Of course, your competitors won't let you easily grab a whole piece of cake. Burning, killing, and snatching...? Perhaps inevitable!

Fight your way through hordes of enemies, rescue the five forest spirits and bring them back to their tree, and lift the curse plaguing the Enchanted Forest!

Pixel Gunmaster is a roguelike shooter action game about a protagonist who is turned into a demon and goes on a journey to undo his wish. Will you be able to defeat powerful bosses and return to human form?

A topdown bullet hell game where you control a spaceship and fight waves of asteroids and enemy spaceships.

Protecting Us From Incredibly Worrisome Extremely Hostile Oddities...is what you will be doing with your football! Defend the Earth from the invading disciples of the Deranged Octopus, and learn the ultimate secret of the Universe.

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.

Neon Invaders will take you back to your gaming roots with its constant action and relentlessly brutal enemies. Absorb enemy shots of the same colour to trigger a flurry of fire to decimate the alien invaders. Dodge and Match your way to victory through 40 levels and 5 difficulty settings.

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.

Fly through space and annihilate everything in your way to survive.

Gem Raider 2 is an old-school move-and-shoot game. Your objective in each room is to destroy all of the Power Gems and return to the teleport pad to exit. Other Gems can also be destroyed to increase your score. There are 20 rooms and each of the 9 types of enemy Gems has unique weapons or skills.

This is a 2D Pixel Top-Down Space Shooter Game. The game implemented Rogue-Lite elements, like the survivor series.

After receiving a cryptic message with coordinates, you arrive at Sunset station, machine's first stronghold in the past. Only ruins remind you of its former glory, and hordes of mutants roam around trying to tear apart uninvited guests.

PewPew! - move, shoot and upgrade!

A top down, twin stick shooter inspired by classic retro arcade games with loads of enemies, fast paced bullet hell combat, big boss battles and tons of weapon customizations.

Art of Space is a fast-paced space combat shooter with some unique mechanics and customisation options. Includes a story/campaign mode.

With easy-to-master controls, a simple objective, beautiful top-down 2D graphics and an 80’s arcade game spirit, FINAL PILOT is an online multiplayer battle royale set in the deepest reaches of uncharted space.

Be:Twin is a top-down shooter set in an aplocalyptic version of Seoul. What will happen once the twins find what they have lost?

Use your ship to explore a massive galaxy. Land on planets and gather resources to maintain and upgrade your ship! Invite your friends to help and set up jobs and missions.

Shoting!!!

A top down 2D space shooter bullethell with roguelike elements awaits you. Dodge, weave and shoot your way through waves of enemies while gaining upgrades trying to survive as long as possible.

Mmo Game Maker is an engine focused on creating MMOs, which aims to streamline the development of multiplayer online games of various styles.

2D space shooter and turret defense come together to create the Planetary Defense System this world needs! Shoot down asteroids and aliens and survive the bosses in this arcade like game featuring customizable satellites, projectiles, and upgradable Cannon and Planet Shield systems.

Battle massive hordes of alien monsters to secure humanity's presence on planet Gore. Upgrade your base, hire troops, and install turrets to fight back the ever growing waves of aliens.

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.

Fight for your freedom as you battle through wave after wave of alien adversaries. Destroy enemy fighters and collect XP to raise your level and become more powerful. Combine your skills and abilities with a huge range of power-ups to become the ultimate champion.

defend skullheadworld. shoot skulls at invading skulls. collect skulls to protect your skull. flush skulls to upgrade. part single-stick bullet-hell shooter, part top-down physics brawler. super addictive arcade fun.