Top similar games like Extermination Overdrive:

Experience Celestial Contact, a captivating fusion of shooter and rogue-lite genres set in a mysterious arena adorned with beautiful 2D pixel art. Battle through waves of enemies, gather gear, conquer bosses, and enhance your character to strive for the highest score and lasting survival!

'Shoot or Die' is a thrilling 2D shooting game where you take on the role of the last human survivor facing a robotic uprising. Arm yourself with powerful weapons, such as the Fireball and Shield, and utilize game-changing perks, to navigate dynamic battlefields and outwit cunning enemy droids.

A retro space shoot 'em up with pixel art graphics, unique enemies, tough angry bosses, and a killer soundtrack. You are among the first pilots to arrive in the system to mount the counteroffensive against the aggressors. Get out there and show these aliens the price for messing with The Alliance!

Captain a starship in a thrilling 2D shooter, dodging asteroids across galaxies. As you journey to Axios Station, each galaxy's challenge intensifies. Can you navigate the cosmic gauntlet?

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.

airplane killer - We only dream of peace - the enemies are preparing a treacherous attack on your homeland, which you simply cannot forgive them. Without thinking of anything better how to accept an unequal battle, you get on your plane and go to the enemy's lair to destroy it once and for all!

Survive Planet Yubglub is a survival rouge-lite, where Earth Representatives must hurl dodgeballs while evading toxic slime aliens and their lethal projectiles. The Earth Reps. must carefully navigate through the harsh environment of planet Yubglub. Choose your character, and Survive Planet Yubglub!

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.

The Squids are here - but your soldiers are ready. Grow your squad up to 4 members by rescuing survivors. Obtain the best weapons, support, and equipment you can by gathering Squid Samples. Become a force to be reckoned with, one the Squids will fear for generations to come.

You are the lone survivor of your squad, on an alien planet with just your weapon, a jetpack, and the courage to keep fighting. Kill off alien swarms and transform their valuable guts into explosive upgrades and vital utilities. Become an agent of vengeance in this bullet-heaven action roguelike!

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

Build your towers according to the enmey you are facing in the wave. Upgrade your turrets to increase range, damage or rewards. Each enemy wave will be random and increases in speed and damage resistance. How far can you go!

Defeat the ever-increasing number of enemies with a variety of ninja techniques to suit the situation After 20 minutes, we can move on to the next STAY It's more fun because there are various enemies on each stage

Solitarius is a 2D top-down wave shooter set in a sci-fi space environment. It is a free minigame that contains six different levels, eight different enemies and nine different weapons. Instead of surviving as long as possible you have to make it through each level.

Planetstar Warrior is a horizontal scroll-space shooter with numerous powerups and a gradually increasing level of difficulty. Defeat all enemies on each level to progress.

The universe is yours to conquer in That's My Space. Gather resources, craft powerful weapons, upgrade your spaceship and battle against enemy nations to become the ultimate space explorer.

Escape Space is a classic arcade space shooter with RPG mechanics. Fight for various factions against swarms of enemies or bosses and improve your standings, level up your rank, unlock new gear and weapons, and upgrade your spaceship.

Breach In Space is a 2D shooting game with challenging combat and very hard platforming. Find a way back to home galaxy through 4 different planets.

Welcome aboard! Here, we gain points by destroying meteors. Try your best to destroy as many as you can and avoid destroying our ship! This is a wave-type game, where the more you play, the more difficult the game becomes!

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.

Save the galaxy in this unique space shooter! Based on the legendary Google Play title, Super Space Slayer 2 features completely re-designed mouse, keyboard and gamepad controls that make it even better than the original.

Death Road is a solo Top Down Shooter game. Take on the challenge of liberating the earth from a zombies and monsters infestation, using over-the-top weaponry in a world with awesomely stylized graphics. The road journey has never been so much fun!

A physics based fighting game where planets sumo wrestle. Grab with your moon and bounce with your planet to launch opponents out of the solar system.

Embark on an epic fruit-filled adventure as Jack the Apple, battling brainwashed banana soldiers in this top-down 2D pixel shooter to stop Dr. Banana's evil plans!

Broadside Renegades combines auto-firing weapons with manual ship abilities in a rogue-like space pirate adventure. Choose your captain and upgrade your ship to steal the space kings booty. Warp ahead to stay alive, and mind your bearing.

Dodge enemy beams with your space fighter, kill huge bosses, and sing along to seven distinct songs in this unique rock opera videogame.

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.

Simple remake of Space Invaders adding destructions and physics

Zip and zoom as you zap enemies and steal their stuff. Build progressively bigger, faster, tankier, more agile, more dangerous, more complicated, more projectile-y-ier ships in your goal to destroy and collect everything.

Battle 1-3 friends in the fast-paced & frantic arenas of Zero-G Gunfight. Pickup different guns that change how you move & fight. Dodge enemy bullets & avoid unique hazards as you strive to be the last one standing!

Operation Thunder is a top-down shooter with a tactical twist and destructible walls. Use your guns, gadgets and wits to outsmart your enemies and become a hero. Good luck, Soldier.

Dive into Starwulf's unique blend of brick puzzles and space shooter action. Explore diverse planets and star systems, unlock special missions, and upgrade your ship. Can you save your home planet? Casual subgames, included to the demo version, offer endless fun.

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.

A top-down "bullet-heaven" roguelite where you play as a futuristic space marine. Use a variety of damage and utility abilities in your attempt to survive. Earn tokens to spend on permanent character upgrades, ability upgrades, and ability mods that allow you to customize your playstyle.

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.

When a black hole generates enough strength to destroy the entire universe, it's called Collapsion. It's up to you to defend the universe for as long as possible to stop Collapsion from happening in this Arcade Shooter!