Under The Island
Embark on an epic adventure in Under the Island! A 2D action-adventure steeped in ‘90s charm, step into the shoes of Nia, and battle fierce monsters, solve clever puzzles, and explore a world alive with mystery as you race to save your new home before it’s too late.
Last Updated: 2/17/2026
| Steam Price | $16.99 |
| Release Date | 2/17/2026 |
| Franchise | Top Hat Studios |
| Developer | Slime King Games |
| Publishers | |
| Steam App Id | 1583520 |
Under The Island
Embark on an epic adventure in Under the Island! A 2D action-adventure steeped in ‘90s charm, step into the shoes of Nia, and battle fierce monsters, solve clever puzzles, and explore a world alive with mystery as you race to save your new home before it’s too late.
Last Updated: 2/17/2026
- Windows
- Mac
- Linux
- Steam Deck (Verified)
About Under The Island
Under The Island is an Adventure, Action, Indie, and RPG game developed by Slime King Games. On 2/17/2026, it was released on the Steam Store by TBA, Doyoyo Games, and Top Hat Studios, Inc.
It can be played and ran on Windows systems. It is verified by Valve as playable on the Steam Deck and will run well.
It also supports 5 languanges in-game including English, German, Chinese (Simplified), Japanese, and Chinese (Traditional). Each language comes with varying levels of support for the in-game interface, audio, and fully translated subtitles.
According to Steam’s category system, Under The Island supports the following features:
- Family Sharing
- Full controller support
- Single-player
- Steam Cloud
- Steam Achievements
From the Steam community, Under The Island has been tagged with the following user tags:
- Modern
- Lore-Rich
- Fantasy
- Multiple Endings
- Sandbox
- Nature
- Historical
- Puzzle
- Pixel Graphics
- RPG
- Dynamic Narration
- Comedy
- Action RPG
- Open World
- Action
- Adventure
- Female Protagonist
- Exploration
Media & Sceenshots
Watch the featured video for Under The Island and see the latest screenshots from the Steam Store.
Under The Island DLC
Under The Island has 1 related app available for download from the Steam store.
| Image | Name | Type | Release Date | Actions |
|---|---|---|---|---|
 | Under the Island (Selections from the Original Game Soundtrack) | Music | 2/17/2026 | Steam Charts |
Supported Languages and Localizations
Under The Island is available in 5 different languages with varying levels of support for the in-game interface, audio, and fully translated subtitles.
| Name | Interface | Audio | Subtitles |
|---|---|---|---|
| English | Yes | Yes | Yes |
| German | Yes | Yes | Yes |
| Chinese (Simplified) | Yes | No | Yes |
| Japanese | Yes | No | Yes |
| Chinese (Traditional) | Yes | No | Yes |
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Features & Categories
Frequently Asked Questions
Soures & References
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Under The Island data has been sourced from:
- Valve Corporation. (2026, February 17). Under The Island on Steam. Steam Store.
- Valve Corporation. (2026, February 17). Under The Island. Steam Community Hub.
- Slime King Games. (2023, July 10). Under The Island. Under The Island.