Once Upon a Slime
Once Upon a Slime will be the game that starts my career as a solo game developer. This game is an adventure / bossbeater game about a little slime trying to escape a dungeon full of bosses. Beat them all to solve the mysteries of these dark dungeons!
Last Updated: 9/17/2025
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| Publishers | |
| Steam App Id | 2438790 |
Once Upon a Slime
Once Upon a Slime will be the game that starts my career as a solo game developer. This game is an adventure / bossbeater game about a little slime trying to escape a dungeon full of bosses. Beat them all to solve the mysteries of these dark dungeons!
Last Updated: 9/17/2025
- Windows
- Mac
- Linux
About Once Upon a Slime
Once Upon a Slime is an Action, Indie, and Adventure game developed by Lonely Goat, GloopCore, Axel Frederiks, and Lonely Goat Studios. It was released on the Steam Store by Axel Frederiks, Lonely Goat Studios, Lonely Goat, and GloopCore.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
According to Steam’s category system, Once Upon a Slime supports the following features:
- Partial Controller Support
- Stereo Sound
- Single-player
- Family Sharing
- Custom Volume Controls
Media & Sceenshots
Watch the featured video for Once Upon a Slime and see the latest screenshots from the Steam Store.
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Features & Categories
Frequently Asked Questions
Soures & References
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Once Upon a Slime data has been sourced from:
- Valve Corporation. (2025, September 17). Once Upon a Slime on Steam. Steam Store.
- Valve Corporation. (2025, September 17). Once Upon a Slime. Steam Community Hub.