Top similar games like Ozone Guardian:

Tankron is a top-down wave survival roguelike in which you fight an ever-increasing amount and variety of enemies. Choose from a variety of upgrades to stand a chance. Discover and choose between different tank specializations to enhance your Build.

Dodge and destroy enemies and asteroids to get food and grow bigger! Be careful though, the game only gets harder over time. Deal with incoming bosses and find yourself your own unique strategy with the attribute system! Change up the gameplay with different stages and characters to choose from!

Swarmhunters is a top-down arena action shooter. The war between human and bugs has become worse - Project Swarmhunters emerged at this situation. You play as the best space soldiers in the galaxy and your mission is to strike the hive and hunt down the Emperor, supreme commander of bugs.

Experience the thrill of retro arcade shooter action like never before in the pixel perfect arenas of Glitchangels by Pumpkin Games.

You must do your best to protect the world! Destroy all enemies. Get the highest score.

Last Star is a space shooter roguelite with tower defense elements. Pilot a spaceship to protect your solar core from endless waves of alien invaders. Upgrade both your core and spaceship to become unstoppable. Execute tactical counterattacks against alien motherships to slow down the invasion.

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?

Vault Apocalypse is a top-down, roguelite twin-stick arena shooter where you fight hordes of monsters while assembling powerful, synergistic builds. Pick your weapons, refine your build and destroy the keepers of the vault.

Discover a short story where you will have to answer questions to overcome the challenges it presents. It is a mixture of bullet hell with hundreds of enemies and graphic adventure, where choices influence the plot.

Welcome to an epic world of endless carnage, where you battle alien foes at lightning fast speeds, and engage in mind meltingly epic boss battles. Immerse yourself in a beautifully hand crafted world, with visually stunning top down graphics and unlimited action packed levels.

Corrupted Beats is a rouguelite top down shooter game. Survive the waves of enemies spawning and reacting to the beat of the music pulsing around you as you create and manage unique builds of various items and weapons to become unstoppable and tame the corrupted music.

Combine abilites to create infinite possibilities of spells and decimate thousands of enemies. King Krieg is a top-down arena roguelite where YOU are the KING and you buy mystical items, find powerful guns, and craft new spells

The dinosaurs have brought the fight to the wrong cat’s territory. Mess with MewMew, get the PewPew: It’s time to send the dinos right back to extinction.

Collect synergizing items to create an overpowered character to fight hordes of cyclops monsters. Cyclo Chambers is a fast-paced, top-down arena shooter with light rogue-like elements. 150 items to choose from to create frantic combinations. Different runs every time.

A modern revisitation of the 80s arcades. Use your Razerwire to cut through waves of nanobugs with a rogue-like inspired progression.

Destroy the deadly bouncing orbs for the highest score in this Pang meets Asteroids arcade blaster.

It’s time to cluck around and find out. Gear up and pull on the helmets of the Battle Roosters, a hotshot space brigade of poultry with panache. In this quirky, roguelike, bullet hell adventure you’ll combine weapons, upgrades and killer strategies to recover space’s best taco ingredients. Bwark!

Void Prison is a fast paced, endless arcade twin stick shooter that puts you inside of an ever shrinking ring. Survive by fighting emerging enemies around you and don't get consumed by the void. Complete achievements to unlock new skins and powerups and get on top of the leaderboards!

Test your skill while trying to unlock all ships by fighting on 6 unique maps full of different kind of enemies!

You are under attack by UFOs in space. Blast incoming UFOs to earn XP and gold. Choose 3 of the 5 weapon and feature cards that arrive at the end of the first wave. Improve your weapons and abilities with the gold you earn. Move through the waves and try to reach the last wave and boss.

Get Off My Space! is a tower defense game where you rely on skillful tower placement and resource management to beat upcoming dangers of the galaxy. Combining strategy and micro-managing fire groups, you will overcome the hardest level objectives.

Donuts! and Guns!? Choose from a host of Donut! characters (each with multiple unique Guns!) and traverse wonderfully large locations in search for more Donut! companions. Fight through hordes of miscellaneous enemies by using either your Guns!, your Donuts!, or your puzzle solving skills!

A top-down bullet hell space shooter that will test your perseverance. Blast and shoot your way through hordes of asteroids, enemy ships and whatever (and whoever) else you'll run into on your journey! Supports local co-op multiplayer over your local network.

Unleash the fury of giant capital ship combat and conquer the stars!

Gacha Fever is a suvivors like in a cute and colorful universe. You will fight waves of monsters with various weapons, from the machine gun to the magical girl wand and the Bubble Tea Canon ! Just be careful of the area !

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

ionAXXIA introduces the ‘big brained shooter’ genre with a tactical arcade space shooter. Classic 90's inspired sci-fi action adds a whiff of Dark Souls to its varied-weaponry combat, pairing a need for quick reactions and gaming skills with patience, timing, and smart decision.

Take command of your ship, step into the arena, dominate your opponents, and put your reflexes and skills to the test!

Are you gonna shoot? YES! Are you gonna blast? YES! Are you gonna make a big bang? YES! Are you gonna make a big boom? YES! So what do you get? Shooting Blaster Big Bang Boom! Come have some fun, it's Good Time time!

Bolide is an arcade roguelike where you survive waves in space to unlock new skills! Destroy rocks and survive challenge waves to earn skill points and use them to choose from a variety of skills. Pick from 65+ skills, allowing you to create over 1 trillion skill combinations!

Time Wasters is a space shooter bullet heaven roguelite. Equip and upgrade weapons, destroy swarms of enemies, and collect Time & Space Cubes to bend the timeline to your advantage.

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.

PewPew! - move, shoot and upgrade!

Neon Arena is a space arcade scoring arena game.

Experience the ultimate challenge in Eclipse Survivors, a bullet-hell / area shooter game featuring epic bosses inspired by classic 16-bit titles. Collect XP gems, master unique skills, and dodge countless enemy bullets as you face off against hordes of foes. Will you survive the eclipse?

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.