Top similar games like Slime Mayhem:

Viking Survivors is an action roguelite where you wield ancient weapons and unleash Norse fury on endless waves of monsters. Survive the bullet hell, collect mythic weapons, and prove you're the ultimate Viking warrior in this thrilling survival game.

Mechanical Siege is a roguelite shooter set in a post-apocalyptic world. Battle hordes of robots, gather resources, craft equipment, and enhance your survival skills. Every decision could change everything. Can you survive the Siege?

A fast-paced, intense top-down bullet hell action experience with a unique sci-fi aesthetic. As a protector of light, you must build your power, reflexes, wits, and map knowledge as you slowly transform into an unstoppable force to survive through waves of void monsters and celestial demons.

"Break Through The Illusion" is a dungeon barrage shooting game. The protagonist Mick needs to try to pass one room after another, make full use of the specific weapons and limited bullets in his hand to kill the monsters in these rooms, in order to reach the boss room for the final battle.

SIMP is an exciting microscopic roguelite shooter. Guide Gaylord to rescue his fiancée Zoe from the creatures of the immune system, using an arsenal of organic weapons and unique abilities.

Mow down thousands of night creatures and survive until dawn! Vampire Survivors is a gothic horror casual game with rogue-lite elements, where your choices can allow you to quickly snowball against the hundreds of monsters that get thrown at you.

1000 Seconds is a roguelike – Defeat enemies, gather resources, and upgrade your orb to escape the temporal limbo, but you only have 1000 seconds to reach the end, so be as fast as possible.

Amass an army of deamonic undead to fight endless waves of heroes intent to end your boneraising ways! In this gothic-horror auto-battle roguelite, use the bones of slain heroes to raise your minions, collect powerful relics and spells, and unlock meta upgrades, all to survive King Gigald's crusade!

Dive into the Plains of Havoc, a 2D top-down roguelite where each death fuels your eternal glory. Earn Soul shards by slaying your enemies and exchange it for lasting upgrades to claim your place in the leaderboards.

Hope's Final Defense is an action roguelite where you create a skill deck to fight hordes of enemies. Choose from many game-breaking items and upgrades. Craft overpowered builds and create deadly synergies to fight endless monsters from Negativia. Can you protect humanity's last hope?

Starship Architect is a high-octane roguelike where every decision counts. Battle relentless enemies, choose from a dynamic arsenal of weapons and upgrades, and strategically assemble your ship. Unlock powerful new parts after each run and craft the perfect starship.

Operation Ascension is a Sci-Fi Action Roguelike where endless hordes of enemies charge at you, trying to take your ascendant body. You need to slice through the digital chaos and break free. Unleash your powers. Will you be able to complete the transformation and become an Ascended Being?

Discover a short story where you will have to answer questions to overcome the challenges it presents. It is a mixture of bullet hell with hundreds of enemies and graphic adventure, where choices influence the plot.

Go free your besieged home planet... all by yourself! Emancipator GO! is a survival game with roguelite elements.

Under Dead is a challenging auto-shooter horde survivor roguelike where you fight to survive as many days as possible. The dead have risen, and they get stronger every day, but so do you. Collect items, level up, and craft powerful and unique builds. Become a zombie-killing machine!

Discover the beauty and fragility of life in Survivor Cells, a unique survival game against viruses and bacteria, which strategically combines the elements of roguelite, bullet hell and tower defense in a challenging experience. Your destiny depends on your agility and choices. How far will you get?

Kill monsters, Gather paws, then you will be stronger and stronger! Purrfect Survivors is a roguelite game, which you need to get runes and arrange them against the thousands of monsters. Every rune has its own ability and it shows completely different ability depending on where you arrange it.

Annihilate hordes of enemies in this thrilling, fast-paced action roguelite rpg and fill the screen with your magic. Kill your foes, become stronger each second and upgrade your characters with new spells and abilities. Can you survive the monsters that threaten your very existence?

PlatinumS is a roguelite top-down arena shooter that brings the ultimate hero's party-building experience to life, empowering heroes to conquer dungeons. Players have the option to select from a range of items and buffs to craft their own distinctive builds.

Survive the relentless swarm in this arcade take on the Bullet Heaven'/Survivors-like Action Roguelite. Slay 1000s of foes, level up, loot chests and make your character more powerful than ever. Unlock perma-upgrades and more heroes, so you can even the odds on future runs.

Combat endless waves of spaceships as Cosmos Kitten in this physics-based action roguelite! Unlock combinations of unique characters with powerful weapons to overcome the onslaught of enemies. Compete or cooperate with friends in optional local multiplayer mode.

Furia de las Trenzas is a survivor-like roguelite in which you face a horde of British soldiers who are trying to capture Buenos Aires. Recruit your platoon of soldiers with special abilities to defend the town square! 

Defeat the enemies. Upgrade the spacecraft. Defend the mothership. Regular Spacecraft - Defending the Mothership is a shoot em'up game with roguelite elements.

Vanquish the ever-growing hordes, Command your army, grow in strength and numbers, and conquer your enemy's castles in this casual top-down roguelite.

Clash with hordes of increasingly more difficult enemies, fighting back with powerful items and abilities. Explore different builds and classes, discover new items, and re-play with several ramping difficulty levels in this exciting arcadey shoot 'em up.

Challenge hordes of ghosts, create builds, and unlock permanent upgrades! Ghost Ascension is a 2D rogue-like with a strong progression system. At the end of each wave of enemies, choose the ability that best fits your build.

Obliterate a never-ending horde of enemies while you attempt to reach the 30 minute mark. Race to earn XP and level up to gain new items and opportunities for each run to become stronger than the last.

Training Grounds is a prologue for… you guessed it, Extremely Powerful Capybaras! If you have fun being the bullet hell with your online capy-friends, go to the Store page for Extremely Powerful Capybaras and wishlist!

Face hundreds of monsters, upgrade your equipment and try to survive as long as you can. In this Action Roguelite choose from a variety of upgrades, unlock unique characters and create the best build to slaughter everyone in your path!