Top similar games like Galactic Slice:

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.

You've been dropped into enemy space. Weave your Starfighter between alien spaceships, lasers, asteroids and bombs destroying as many as you can and collecting valuable coins and powerups as you go.

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.

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.

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.

Blast hordes of alien ships into junk. Collect the scrap to upgrade your ship into an unstoppable force of destruction. Destroy bosses to choose new weapons to bolt on your ship.

Soar sky-high in Raiden III x MIKADO MANIAX, an electrifying entry in the classic arcade shoot-‘em-up series! Customize your music, wallpapers, game mode, and more before launching into high-octane aerial action!

A sci-fi shoot'em'up game with heavy focus on upgrades experimentation, featuring two unlikely heroes that must work perfectly together, despite their share of secrets, to surpass their limits and succeed in eliminating a threat that might destroy both Earth and Andraxia if left unchecked.

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

Get into the cockpit of an ace pilot fighting in the galactic war in this sci-fi arcade top-down shooter. Participate in numerous campaign missions to explore the story of Magnificent-1 and enjoy the arcade mode to strive for the highest score.

You’re stuck out in the middle of space alone in ship, see how long you can survive with endless enemy ships and do all it again.

The Japanese just love their famous German-inspired Baumkuchen cakes, and hungry invaders from across the universe have discovered these delicious treats too! Are you up to the challenge of protecting the precious desserts from waves of alien attacks? Save the cakes!!

Spaced Liberation is a very small indie game about the liberation of a planet.

Fast Paced, Bullet Hell Retro Shooter! Shoot down enemies and dodge everything. Fight through 17 intense levels with 6 insane boss fights. Do you have what it takes to beat the game?

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

Cyberhunt is a retro procedurally generated twin stick shooter, that takes you back to the sweet to the sweet arcade machines era!

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.

Retro arcade classic, Defeat a million invaders from another dimension in this side scrolling shoot'em up.

A vertical arcade shoot'em up with an inventive teleport system, lots of fast-blazing action and explosions, tons of boss fights, a risk/reward based score system and a proper challenge for both veteran and new players of the genre.

Destroy enemies, bosses and everything you see ahead!! Get crystals to buy better starships and get stronger. Have fun in three different game modes.

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.

Neon Fighter is a tiny arcade game packed with lasers and explosions, in which every few seconds you are forced to switch weapons automatically, making you have to adapt quickly to the new situation and re-evaluate your perspective.

Deploy your turrets and defend against an ever-growing mechanical horde! Upgrade your turrets separately in unique ways, use unique character abilities, and create powerful synergies.

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!

Blue Jay Joyride is a fast-paced 2D space shooter. Go through waves of enemies and fight progressively harder bosses. Collect one of the many unique powerups to give your ship a fighting chance in this intense game.

Play as a space ranger, who has been tasked to defeat the evil Techno Dragons, who have inhabited an old planet in the hopes that they can get to controlling the world! Stop them, Ranger, before the dragon's plan comes to completion!

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!

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.

Grav Blazer is an arcade space shooter with a focus on fast paced action. Skill based firing mechanics, rotational controlled power attacks, increasing level difficulty, and endless procedurally generated levels are some of the features players will experience.

In Waifu Space Conquest you can play a nostalgic arcade game. Conquer all the space to pass the level. Confine the aliens in your claimed space to kill them.

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 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!

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!

A New Retro Classic Space Shooter Arcade Game. Defend Earth from waves of martian invaders and flying saucers in this modern version of an arcade classic. Go back to the 1980’s and blast these aliens back into space!

Become an agent of vengeance in this bullet-heaven action roguelite! 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.

Vlambeer's ULTRABUGS is a fast-paced high-score game in which you fight endless space bugs that split up into MORE space bugs as you fight and defeat them.