Top similar games like Rheum:

A throwback to retro shoot'em up games typical of the 80s, where you play as a tooth fairy fighting against rotten teeth and bacteria using different abilities and special shots.

Crush the forces of hell and get a high score in this addictive, action-packed, arcade-inspired twin-stick shooter!

Warships On The Halloween Night is an extreme Top Down Arcade Shooter game based on the naval war which broke out between the Human beings and the Living Pumpkins.

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.

Killon is a retro shooter that features exhilarating combat, manic enemies and a charged cannon waiting to be unleashed. Fly a starship across the universe and restore the future today.

Probo Rush is a classic shoot 'em up bullet hell game with a boss rush twist. Fight against machines, aliens, and nature as you take on 15 challenging boss battles. With adjustable health and an Assist Mode, Probo Rush offers a challenging but accessible gaming experience.

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!

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!

SHOCKWAVE TRIGGERS is an arcade high resolution pixel art shmup/shoot'em up, in which you use the power of Shockwaves and a good timing to get the most bonus from your destroyed enemies. It's simple: shoot, dodge, wait and SHOCKWAVE!

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.

Catboy in a bullet hell! Nyan, nyan, pew pew pew!

Team up with the world’s biggest goblin on his quest for gold and be a total Christmas bastard.

John Mambo is a frenetic Retro Arcade Game with an isometric top down view. Meet John, a one man army, crazy enough to embark on a dangerous mission in the heart of a jungle all by himself...

A retro-style, fast-paced, and addictive shoot 'em up. A throwback to the classic arcade games of the 80s. Great for playing while waiting in line for another game. 🎮 (shmup)

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.

Pig Ship and the Giant Wolf is a classic Shoot'em Up with a 8btis monochrome aesthetic. Cross the 6 worlds full of enemies and defeat the Giant Wolf to save your brothers.

Blast off into space! Help Monica and her team explore the galaxy, fight off hordes of enemies, and clean up the mysterious cosmic gel in this retro-arcade inspired action shooter!

Take on a howling challenge in Full Moon Rush! This classic shoot 'em up is a bullet hell masterpiece with a boss rush twist. With 15 epic battles and old-school graphics, you'll need expert shooting skills to survive. Customizable health and Assist Mode make it accessible to all.

Laser Tanks is a fast-paced top down shooter game where you battle against alien monsters across diverse environments using weapons and laser tanks. The game features wild monsters, numerous weapons, laser tanks to operate, and a never-ending Dungeon Survivor Mode for endless adventures.

Nuclear Assault is a Shoot 'em Up with all the essence of Arcades in the 90s! Equip new cannons, collect different Power-Ups, defeat the 4 Robot Kings and earn new scores! But most importantly... Shoot, shoot and don't stop shooting!

Up for some retro arcade action spiced with extra bullets and BOSS enemies? Shoot your way through many different levels filled with nasty bugs, spiders, frogs, bees and more. Fight huge BOSS enemies and collect extras and play bonus waves. Retro Arcade action at its best!

The fantasy bullet battle to end monstergirl genocide! Turn hateful humans into lovable demons in this 90s arcade style shooter.

Mashup of classic arcade games.

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.

Inspired by classic arcade shooters, Space Mayhem is a fast-paced score chaser with a retro style. Collect powerups, manage your ammo, obtain massive score multipliers, and blast your way through infinite, chaotic waves of enemies!

CometStriker DX is a fast-paced arcade-style shooter where you boost through danger and blast everything in your way!

A bombastic bug busting adventure! Play as one of four playable characters in their quest to to free their fellow elves from the clutches of an evil army of spiders. If they crawl, blast em all! Let nothing stand in your way.

An intense, bullet hell, arcade style game with old school mechanics and art. Fast action, dodging fireballs and waves of enemies while aiming accurately. Can you survive dragon dodge valley?

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.

Ayako's Mission is a 2D Top-Down Shoot'em Up game based on the story of the war breaking out between the two territories called, AY Corp and ATO Corp. where you must defend your territory against the invaders.

TYPECAST is a bullet hell where you type to shoot. Get swarmed by enemies, manage the chaos, and climb the leaderboards in this unique arcade experience.