Top similar games like Gamma Bros:

Dive, destroy and escape. TUNNEL DIVERS is a F2P high octane twin stick shooter, where you pilot a close quarters based spaceship that excels in claustrophobic areas. Play online with or against other pilots, create your own levels in the level editor, and wage war against the rogue AI, Watch Dog.

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.

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

As Gary Rogers, the player battles through hordes of enemy spaceships in several missions, evading projectiles, asteroids and defeating powerful bosses. Gary collects debris from destroyed enemies and exchanges them at the home base for ship and weapon upgrades.

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.

Pilot your ship in the seamless open world made of space, planets, and more. Find new ships and equipment, find allies and beat all the enemies in this open source space shooter!

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.

SUPER FLAIL is a fast-paced arcade score attack game of flail-swinging rampage. Swing your flail to destroy everything until you die. Compare your score with other players and get on the top of the leaderboards.

Veterans Online is a thrilling top-down twin-stick shooter suited for both casual and hardcore players, featuring fun warfare with easy to learn but hard to master mechanics.

"Different realities, different rules, but always fun". In the multiplayer game Cartoon Strike, each map offers a different gaming experience. Players can enjoy a few minutes of fighting in the WWII, followed by a few minutes in the present, future or even funny mode.

Pentasma is a side-scrolling arcade shooter inspired by Williams Electronics' 1981 classic 'Defender'. Protect The terraforming Humanoids from the deadly Aliens and raid the Alien planets to keep the galaxy peaceful!

League of Pixels is a fast paced pixel art approach on the MOBA genre, with an average game length of 5-10 minutes.

BATTLECREW™ Space Pirates is a fast-paced competitive multiplayer shooter. Choose your hero, call a few friends and join in on the fun! Meet in battle in this 2vs2 to 4vs4 action platformer.

Jar Wars is a slap-stick multiplayer VR game. Battling with friends and foes using impractical weapons like giant rockets, a hologram sword, and boxing gloves. Will you be the last brain standing?

Calamari Clash is a multiplayer versus game which takes you into the role of a Calamartian who crashed on an unknown planet along with its companions. Dash it out against each other to charge the spaceship’s battery and escape. Only one can escape… who will it be?

Planet Bounce is an action packed arcade-style space game. Navigate solar systems, fire unique weapons, unlock powerful new ships in your quest to conquer the galaxy.

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.

Galaxy in Turmoil's conceptual Early Access game is a FREE multiplayer combined-arms game set in a brand-new universe, created by a team of volunteers. It’s all about endless arms races, corporate espionage, and, most of all, blasting up on the enemy faction and taking their stuff.

Throw yourself into a world of fantasy and create your own character to embark on an epic high seas adventure of your own making.

Foam Dart Frenzy is a 2D, top-down, online multiplayer shooter. Grab a dart gun and take aim at your friends!

The DEMO for the WILDEST ANIME FIGHT, Fly Punch Boom! Fly super fast, smash your friends through skyscrapers and break the planet with one punch! Up to 4 players local & online. Now with workshop for INFINITE CHARACTERS!

A certain office lady is back!!

Inspired by the classic arcade hit Ghosts'n Goblins and fully created by the house music legend Dr. Kucho!, Ghosts'n DJs is a pixel-art run and gun side-scrolling action platformer set in a parallel universe in which the music scene is being dominated by fake artists and DJ’s.

Swing, dash, slide and slice your way through this retro style 2D side scrolling platformer! Blast, hack and slash your opponents or bounce off their heads! Power up Fantastic Fania to finally confront the Phantom of Zana!

Tower 57 is a fast-paced neo-retro shooter where cooperation is as important as your ammo capacity. As a member of an extraordinary task force fight your way through a dieselpunk megatower and uncover its hidden secrets.

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.

Free to play, air hockey style arena humorously referring to internet culture. Attack your opponent’s computer by decreasing its FPS capability. Defend your own virtual PC. Climb the ranks online and compete in league seasons!

Launch Break is a fast-paced 4-player local party game, where you must fight over a single chance to escape a crash-imminent spaceship!Challenge your friends with all your arsenal, perks and the ability to shape the battleground to your advantage.

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?

Cross Impact is a free indie crossover platform fighting game, featuring a diverse cast of iconic characters, multiple modes, and a fully-fledged training mode to perfect your moves. Gather your friends for local & online matches! Prepare to Make Your Impact!

GLADOM it's a new and free to play multiplayer game PVP oriented with a focus on skill rather than progression.Play game modes of Deathmatch and Capture The Flag, in 1v1, 2v2, 3v3, and 4v4 matches.Easy to play, hard to master sliding physics-based mechanics.