Top similar games like Once Upon a Slime:

Neon Sundown is an extremely challenging arena-shooter that mixes fast-paced action with roguelite elements. Take on increasingly difficult arenas as you unlock new ships, upgrades, synergies, and more! Think you have what it takes to survive?

In this game, you are the bullet hell. Face off against 100 waves of enemies and bosses by collecting a deck of attack cards that activate in real-time to unleash destruction upon everything in sight. There's an insane amount of customizability leading to an infinitely replayable experience.

A fast paced singleplayer arena shooter. Choose one of three goals to win each stage, explore the tech tree and defeat 10 bosses on the way to meet the devil on stage 66. What's the highest score you can reach?

Reload your weapon, the show's about to start! Blast Them All is a wave-based twin stick shooter where you face endless hordes of hungry zombies. Use your agility, pick up weapons and activate traps to defend yourself, build up your strength, collect points and reach the top of the leaderboard!

What will happen if after death you prove to all hell that you are worthy to live ...

2 Many Pixels is an endless & fast-paced 2D minimal shooter. Blast enemies & unlock upgrades to help you survive for as long as possible!

CyberHeroes Arena is an autobattle roguelite. Choose your cyber hero, create your build and destroy all cyber monsters to survive.

This is a 2D top-down shooter with a flair of parody. You need to clutch 16 rounds in a row to win the map. There are 10 different maps in the base game.

A co-op action RPG, with online multiplayer functionality, wave-based combat, and character enhancement inspired by trading card games.

Emorrior is a short rogue-like dungeon shooter game where you can build your own ship with numerous distinct module variations. Each module variant brings a unique feature for you to discover. What are you waiting for? Fight, Combine, Create and Conquer the dungeon of emotions right now.

Cards and Guns is a top-down arena shooter roguelite, where you’ll have to defeat hordes of creatures. Choose from a variety of cards and upgrades to create unique builds and survive to the end.

CIPHER 61 is a fast-paced, action-packed top-down-shooter, with tons of temporary and permanent upgrades. Can you make it through all 61 rooms?

You play as ordinary guys, just like you! Awaken your strategic thinking, mentor, hero, and defender! Upgrade your heroes, learn, set goals, explore secret blueprints, defeat the Lord, protect the kingdom!

SNKRX is an arcade shooter roguelite where you control a snake of heroes that automatically attack nearby enemies. Combine different heroes to unlock class bonuses and create unique builds, and steer your unstoppable party as they ravage through endless waves of enemies.

Shoot, dash, deflect, teleport through portals, and upgrade. Blast your way through challenging and unique bosses as you gain valuable upgrades in this short and sweet bullet hell top-down arena shooter.

A top-down arena shooter in space where every decision you make can lead to victory...or crushing defeat! Make every shot, rocket thrust, and planet orbit count! Destroy the enemy motherships circling the system in deep space before their drones overwhelm you and exhaust your ship's resources.

Time to Strike is busted build bullet hell roguelike. Create overpowered builds and break the game by collecting powerful weapons, modifying them with whacky mods and discovering crazy synergies!

Max Raider is a top-down 3D action shooter where you fight waves of enemies on procedurally generated arenas. Rest and prepare for the next series of waves by buying a variety of weapons and items from your allies. Protect the Bunker, your only hope for a home.

Cubint is a shooter roguelite where you go against a horde of enemies. Use Ally Shooting Turrets to your advantage. Upgrade different Buffs and unlock various Synergies to get stronger. Get powerful Spells that enable tons of new builds.

Comet Force is a Space Arena Shooter Action Roguelite. Build your camp, recruit to compose and grow your troop, collect upgrades and unique effects, fight enemies and bosses, and choose how the threat evolves. Keep your troop strong enough to survive all waves and close off the anomaly.

Experience the thrill of retro arcade shooter action like never before in the pixel perfect arenas of Glitchangels by Pumpkin Games.

ARC TCG is a 3D fantasy card game. Build your deck and challenge other players in battles full of surprises. Play smart and crush your opponents with powerful abilities. This game is inspired by more successful TCG titles, but adapted to offer new game strategies.

Project Yo-Yo delivers an exhilarating arcade experience, thrusting you into a frenetic arena FPS where every move counts. Master the art of repurposing your lines of fire on the fly amidst a relentless bullet hell to ascend the ranks and dominate the brutal leaderboard.

Deus Proxy is a roguelike that brings together the most exciting aspects of new-school auto battlers and old-school tabletop gaming. Every game is a completely new adventure with 15 factions, human opponents, and hundreds of heroes, items, traits, and spells!

Dark Galaxy is an action based rogue-like top-down shooter. You pilot a space drone to oppose the insectoid like species called Minaripods. Illuminate the darkness and get stronger by travelling to different star systems. Can you free our galaxy from the invaders?

The gnomes got no chance ! Drop down through levels filled with hostile gnomes. Kill gnomes and open booster packs filled with effect cards. Effect cards bring a new, unique twist to the game. You get to collect them like TCG cards, and each one has a specific effect.

FaeTerra auto-battler combining management, deckbuilding, and 121 adorable creatures.

Baby Redemption is a high paced rogue-like shooter where you have to save babies in glorious intense slow-motion action. Weapons, bullets, babies, fun and bullet-time. What more do you need?

Stickman's Arena is a top-down arena shooter roguelite where you play a stickman wielding up to 6 weapons at a time to fight off hordes of enemies. Choose from a variety of upgrades and combine your weapons to create unique and game-breaking builds.

Romanticized Dreams of a Post-Apocalyptic Cowpoke is a top down action shooter with randomly generated loot, levels, and enemies. Find unique weapons and upgrades to blast, explode, laser, and kick your way through an army of dastardly bandits!

Predictile" is a unique twin-stick shooting game where the trajectory of enemy attacks is displayed. Overcome waves of randomly placed enemies using skill and the power of prediction lines.

Jump from Node to Node while surviving the Chasers onslaught. Keep moving, Keep Upgrading, and don't get terminated.

Dear candidate, we are pleased to invite you to take up the position of manager of Hell. You will punish sinners by using our deck-building computer system to construct hellish towers capable of keeping the endless hordes of the underworld in check. Best of luck!

EvolveLabOnline is a roguelite autobattler, where each enemy was created by another player. Modify and improve your creatures' behaviour after each victory and be the first to reach depths, where no other has been before!

Fight off hordes of enemies, slay Bosses, choose from a variety of upgrades and combine your spells to create unique and game-breaking builds In this auto-attacking roguelite.