Top similar games like Moonbeam Mayhem:

Dungeon Destroyers is a top-down arena survivor rogue-lite where you and up to 3 friends slay thousands of enemies and bosses while diving deeper into the dungeon to find it's core and destroy it. Choose from a variety of races, classes and items to create unique synergies and DESTROY THE DUNGEON.

Escape from a tyrant government and save the planet Shambala. Be the resistance! Starexcess is a retro-looking vertical shoot 'em up inspired by the 16-bit era. Take on enemy armies and dodge frenetic shots in this shoot 'em up for one or two players in a local ofline co-op.

Four years after their previous work “GUNBIRD,” a new, even more powerful five-member group has arrived.

In Until the Last Plane 1942 you control two airplanes simultaneously. A short game that delivers a relaxed alternative to the usual shoot'em ups. Singleplayer or local co-op.

Save the world from Dinah's threat by defeating angels, demons, beasts, and aliens.

Mint Dodgers is a simple game where this weird world that you're stuck in doesn't want you there! Dodge falling and flying mints, toxic rain, rocks, spikes, and so much more to come. Are you able to stick around long enough to defeat King Mint?

Grab a buddy and brace for chaos in this 3D Fantasy Shoot ‘Em Up (SHMUP). Face off against a twisted necromancer fueled by a cursed bracer and a bloodlust for destruction. Blast enemies, dodge projectiles, unlock upgrades, and customize your hero with unique weapons, skills, and skins.

Unidentified Feline Obliterators is a multiplayer arcade space shooter where you play as cats shooting deadly balls of matter in space! Their natural predators are the jetpack dogs, treadmill porcupines, and rocket rats. But what else is out there in space out to get these cats?

Engage endless hordes of monsters up close as a valiant knight, or shower them with arrows, bombs, and spells using 8 unlockable heroes with completely different skillsets and playstyles.

Apidya is making a comeback in this authentic 24-bit pixel remake, built from the ground up, but utterly faithful to the original.

The second installment in Saikyo's vertical scrolling shooters, following the 1993 Best Shooting Game award winner “Sengoku Ace”.

Lead the vegetable revolution alone or with a friend in the side-scrolling shoot ‘em up Rutabaga Desert Storm! Take down wave after wave of enemies, dodge their projectiles, and grab power-ups to boost your destruction! Can you defeat the oppressive humans and free the proletariat vegetable masses?

To Your Stations! is a couch co-op spaceship management game where up to four players work together to crew a spaceship. Coordinate the torpedoes, lasers, and shields of your ship to fight off asteroids, aliens, and other deep space entities.

Super Nano Blaster is a shoot-em-up for PC and Mac, offering single-player and local co-op modes, that transports you to a retro-style digital universe. Delve into technology with your vessel and destroy anything that gets in your way!

A fast-paced action roguelike where skill beats firepower. Outmaneuver swarms, harness Poison/Inflame/Traumatize, and expand the game with mods & co-op.

Take flight in this fast-paced danmaku shoot 'em up! Dodge dense bullet patterns, graze enemy fire, and unleash spell cards across dynamic vertical and horizontal scrolling stages. Choose from 4 playable characters to defeat over 10 bosses and cure the glohm.

Save the virus-ravaged planet! A frenzy-filled shooting game!

BattleCrypt Bombers is a pixel-packed arena combat game for up to four local players. Collect and lob bombs but be careful - explosions set off chain reactions that are deadly to everyone! Play competitively or cooperatively across two different game modes.

A fast-paced arcade gallery shooter inspired by Wild Guns and Cabal. Play solo or in local co-op, switch between fire and ice, dodge intense bullet patterns, and take down powerful bosses. Unlock hidden routes, discover secret encounters, and chase high scores.

Warding Witches offers a classic, unapologetic bullet hell shoot ‘em up challenge while also putting defense into players’ hands. Experience an adrenaline-filled flow alternating between attacking, defending and dodging, amplified by an intuitive scoring system that weaves into gameplay seamlessly.

TTM is a local multiplayer game for 1–4 players, where two teams clash in fast-paced tactical battles.

“METAL SLUG X”, one of the most highly praised titles in the series among Metal Slug fans for its refined balance and game volume, heads out to the Steam gaming platform!

Help the government agents in black thong to end the alien threat and the invasion of the machines. 1 or 2 players. Individual and cooperative. Gamepad compatible. Demo available.

Explore the Trollhunters universe and save the world as Jim Lake Jr. in this action-packed game!

A couch coop game where 1-4 players set off into a dim dungeon. Your quest is to eliminate all monsters lurking within by dashing through the monsters with the proper color. Eventually, you will be haunted by a ghoulish, four-headed beast and must face it in a thrilling boss fight.

“METAL SLUG ”, the very first title in SNK’s legendary 2D run & gun action shooting game series where all began, returns to the missions on the Steam gaming platform!

A modern version of the classic arcade game

Nationwide shooting fans, the wait is over! Following Sengoku Ace and Gunbird, the third installment in Saikyo's vertical scrolling shooter series!

The Saikyo-style system, trusted by players from casual gamers to hardcore enthusiasts, now features a new three-stage charge shot enhancement system, significantly boosting strategic depth. If you haven't played it yet, we urge you to give it a try.

Super Grav is a retro gravity cave flyer for 1-4 players, featuring single player or co-op multiplayer missions, racing and dogfighting. Back by popular demand, Super Grav is the official sequel to the 1998 Net Yaroze coverdisc hit, Gravitation.

The sequel to the speed-and-destruction shmup "Raging Blasters" is here! It's called "Raging Blasters 2." This is an arcade-style vertical scrolling shmup in which players control a fighter jet and battle various enemies in outer space.

The legendary bullet-hell shoot-’em-up series has come to Steam! DoDonPachi is ressurected after a Blissful Death with enough modes to satisfy the beginner and the expert player alike. Tonight we dine in bullet hell!

ATOMIC GUARDIANS is a fully CO-OP arcade retro shoot 'em up, where one player flies the ship, and the other player mans the shields. Fight your way through a never ending horde of Brutal Bosses, Alien Monsters and Gigantic Asteroids as you rack up a new world-wide high score. Play with up to three friends, and see how long you can last!