Top similar games like Rheum:

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.

Shoot! Dodge! and... Get Hit!? "Ikaruga" is a vertical shoot 'em up that features an unique polarity-switching gameplay. Switch the ship's polarity and "get hit and absorb" enemy bullets! Achieve High Score with the chain bonus!

A deep, tactical shoot'em up. With every takedown, you’ll earn cash and xp to upgrade your ship and unlock new abilities. Online and local co-op. Unique versus mode. Realistic physics and water simulation.

ROAD DOOM is an arcade bullet-hell with a cheesy story. On a quest to defeat the four horsemen, blast your way through evil beings with skills of immense power. Unleash your wrath!

The skies are aflame and the seas will overflow with wreckage in Vlambeer’s stylish arcade shooter LUFTRAUSERS! Take to the skies in customized fighter planes to battle battleships, submarines, and rival aces for glory, honor, and high scores.

Exit the Gungeon is a small, spin-off 'dungeon climber' immediately following the adventures of the misfit Gungeoneers.

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.

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!

Fight, fly, flourish! BLUE REVOLVER is a manic arcade-style shoot-em-up built for newcomers and psychos alike. Powerful special weapons cut through tough areas, while an adaptive difficulty system tailors the game to your skill level as you evade and counter a maniac environmental force!

Gun your way towards survival in this action arcade adventure! Use your fuel supply to find upgrades to your ship and collect more fuel to keep progressing against harder and harder foes! Classic arcade action with a unique control scheme to pilot your ship.

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.

Marimoth is a short shoot 'em up that puts in control of a moth whose shots bounce off the walls. Calculate your aim, evade enemy attacks by learning their patterns and collect coins to power up.

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.

INSPACE 2980 is a stylish and dynamic SHMUP from the 16-bit era of games consoles and arcade machines. Take part in an exciting adventure and save the galaxy! Once again!

Distant Space are present the arcade game of cosmic fights in arcade style of the 80's, this is a game where you can control the spaceship and forced to destroy extraterrestrials, which are moving in the certain order.

Star Waker allows you to command customizable spaceships with the mission to show your agility in order to save mankind.

ASTRO: The Beginning is a dynamic side scrolling shoot 'em up about a close-knit space team caught in a clusterf*ck of epic proportions.Unravel the evil plans of your foes and secrets of world order while taking down various types of enemies and engaging in crazy boss battles.

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.

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.

Hyperbolic Ignition is a 2D multidirectional bullet hell-like shooter about a wandering pilot trying to return home. By utilizing wormholes, enter and evade combat against hostile spaceships, machinery, sentient crystals, and remnants of warfare.

Thunderflash is a "love letter" to the arcade games of the 80s. It is a Run 'n Gun game inspired by gems like Ikari Warriors, Commando and Heavy Barrel.

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

Railgunners is a shooter built to highly customizable difficulty levels. Fight your way through hundreds of enemy ships, and help humanity fight back against the alien invasion!

Syder Reloaded revives the Syder series in this love-letter to 90s Amiga shmups with upgraded graphics and refined gameplay. Challenging levels, a fleet of ships and a motherload of alien invaders. Get back to your roots and curse at your monitor in this skills-first shooter.

Jamestown: Legend Of The Lost Colony is a neo-classical top-down shooter for up to 4 players, set on 17th-century British Colonial Mars. It features all the intensity, depth, and lovingly handcrafted pixels of a classic arcade shooter, with a modern twist: deeply-integrated cooperative gameplay.

Combining retro puzzles and a arcade space shooter. You and your crew found strange materials in the galaxy core to upgrade your ship to the most powerful. While collecting core materials you came across something unbelievable ... The Core Message. The Core Message changes everything.

The world has gone mad and Flint Trucker must go down a long, creepy road to get back home and save his beloved Angelina. Blast your guns across different scenarios to fight hordes of ravenous beasts and bloodthirsty enemies.Will you survive?

【About "The Hurricane of the Varstray"】"The Hurricane of the Varstray" is a vertically scrolling shoot'em up with a SF story: in the distant future, to defend the Earth against the invasion of mystery mechanical structures, 4 girls head to "the Varstray sector," far away from the Earth and considered as the v

Call your friends and lead your squad through the outer space and protect your planet from asteroids and alien ships on this local shoot'em up. Shoot, evolve e explode these space enemies.

A retro arcade style Top down shooting game. Shooting them with a machine gun, blasting them with missiles, dashing them with a vehicle, whipping them with an energy chain, or burning them with a napalm...No matter how you get it done, “ALIEN BUGS MUST DIE!”

Jets'n'Guns is a heavy piece of ground shaking rock blasting action with graphics and special effects that will blow you eyes out! Enjoy yourself in almost-insane action adventure of saving the universe from the deadly threat of more than 270 unique monsters in the campaign of 43 levels.

This is the story of a fighter who wanted to become...