Top similar games like Gamma Bros:

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

Steel Alcimus is a top-down helicopter shooter. Complete various tasks with your ally aircraft; such as saving the carrier, taking down the buildings, carrying objects, etc.

Frantic Dimension is a retro twin-stick shooter inspired by the earliest twin-sticks, 'Space Dungeon' and 'Robotron 2084'. Never stop moving and shooting... or you'll die.

Offendron Warrior is a retro arcade that combines shooting and defense. Your objective is saving Offendron civilians in the planets from the group of enemies, who are trying to spread a virus that turns Offendrons into mindless killing machines and eventually destroy the whole planet.

A retro shooter with a new power: the power to become any ship.Lost in the depths of space, you are a being of pure psychic energy with the uncanny power to take over and control anything you see in order to survive.Built for PC, Enemy Mind lets you battle your way through 70+ waves of challenging enemies.

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.

The year is 2051. Location: SATAZIUS, a long-abandoned planet. The cruiser Agano was on patrol when it was attacked and stricken by a confederacy of space pirates that had established a base on SATAZIUS. The pirates attacked the Agano intending to steal the assault ship ‘Trafalgar’ that was stowed aboard the Agano, but the Trafalgar made...

Remedy, a recent graduate from the Saturnian healing school, must descend to Hurtland and use her powers to heal everyone from stray ducks to dark lords, and finally cure the ailing Prince Hingst. It's a short, whimsical adventure with plenty of heart(s).

Spaceship Looter is an action roguelike game, where mercenaries of all stripes rob drifting schooner, lost transtport ships and abandoned military cruisers - all what is filled with tons of valuable loot and hidden in the deep space.

Invaders are living inside your computer. You shouldn't let that happen! Interact with your desktop while playing, watch Youtube videos, chat with your friends and more! CPU Invaders overlaps the game itself with your computer screen.

Shoot different types of spaceships while avoiding getting shot yourself. Kill 10 minutes at a time with this affordable colourful timewaster.

Experience your music collection like never before with this intense music driven arcade shooter. Each of your songs will have its own unique ebb and flow based on the music.

Echoes+ is an intense retro action space shooter that will test your reaction and concentration levels to the max!

1982 is a FREE retro inspired blasta-thon that will test your gaming skills to the max.

Pewt 'em Up! is a retro inspired arcade space shoot 'em up with lots of upgrades, achievements, extras and more.

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.

Star of Providence is a top down action shooter with procedurally generated elements. Explore a large, abandoned facility in search of incredible power, fighting dangerous foes and gaining new weapons and upgrades as you progress.

SBBP is a 2D platformer with pixel graphics. Blue boy’s girlfriend is kidnapped by aliens so he goes through 21 levels to save her and he also fight bosses along the way.

DED - a game in the shoot'em up genre. Your granddaughter has been kidnapped, and your daughter and son-in-law murdered. Having just bits and pieces of information about the abductors, you will have to save your granddaughter and find the masterminds behind these crimes.

Super Galaxy Squadron is a fast-paced vertical shooter designed for human beings as well as SHMUP veterans. Featuring multiple game modes, a challenging but merciful difficulty curve, forgiving health system, and SEVENTEEN playable ships.

Run, gun, and survive! In this twin stick arcade shooter, you'll be fighting your way through countless waves of enemies to restore maximum peace to the galaxy!

Punch through the cosmos! An arcade-inspired shoot-em-up where you play as an immortal lobster speeding through space.

About：The solar system was invaded by aliens of unknown origin. The earth has fallen. As the commander of the surviving space fleet, return to the solar system from outer space and save the earth.

Super Hydorah is a nonlinear horizontal shoot’ em up designed to offer a challenging experience, sublimating the richness of traditional shmup classics. Face the menace of the Meroptians aboard the Delta Lance, alone or with your friends in this game with direct action and nostalgic art.

2-4 local players navigate the darkness while battling one another to be the last ship left. Fire your BEAM to destroy other ships and stay hidden while navigating the arena. Your PING not only reflects enemy BEAMs, but also reveals your surroundings and your location to everyone, so use it wisely!

Aqua Kitty is a fast paced retro styled submarine arcade shooter with optional 2 player local Co-op.Blast through hordes of mechanical sea monsters in your kitty sub and defend the deep sea milk mining kittens!THE MILK MUST FLOW!

Test your reflexes in POLYGONEER, defend yourself from prolygonal shapes taht comes from everywhere, just hitting is not enough you need to match the right color shot to the polygon too! Are you ready for the challenge?

It's a bullet-hell spaceship shooter. Can you survive the battlefield? Let's prove your shooting skills!

80's vector style Twin stick action with a booming soundtrack and permadeath.

Gravity Ace is a 2D twin-stick where you fight gravity in space caves. Descend into dark caverns, fly and blast your way past enemies, retrieve the reactor core and make your escape, all while fighting the deadly embrace of crushing gravity. Do you have what it takes, pilot?

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.

Saviors brings the best bullet hell experience you can find on Steam. Play through 18 challenging stages in this ultimate test of tactics and reflexes.

Geometry Wars: Retro Evolved is a old school style shooter, but remixed for the 21st century with next generation graphics and deep, modern gameplay. Playing is simple: you are a geometric "ship" trapped in a grid world, facing off against waves of deadly wanderers, snakes, and repulsars.

Experience the addictive gameplay of old-school arcade favourites, updated and improved for the 21st century! Unique retro-futuristic sound and graphics, player responsive difficulty, and a subtle system of tactics combined with classic gameplay make Ultratron a fun and hypnotic arcade blast.