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: 3/4/2026
| Steam Price | $19.99 |
| 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: 3/4/2026
- Windows
- Mac
- Linux
- Steam Deck (Verified)
About Under The Island
Under The Island is an Indie, Action, Adventure, 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:
- Single-player
- Steam Cloud
- Full controller support
- Family Sharing
- 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
- Singleplayer
- Female Protagonist
- 2D
- 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 |
Related Bundles
Under The Island is included in 4 bundles in the Steam Store. Purchasing through a bundle can give a large discount off the game's base price if you are willing to purchase multiple apps all at once.
| Image | Name | Apps | Packages | Price | Actions |
|---|---|---|---|---|---|
 | Under the Island x Ocean’s Heart | 2 | 2 | $31.98 | View |
 | Under the Island x Arietta of Spirits | 2 | 2 | $17.98 | View |
 | Under The Crypt | 2 | 2 | $25.48 | View |
 | Under the Island x Kitaria Fables | 2 | 2 | $39.98 | View |
Related Packages
Under The Island is referenced by 1 package in the Steam Store. A package (or sub) is simply an item that can be purchased on Steam.
| Name | Price | Actions |
|---|---|---|
| Under The Island | $16.99 | View |
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 |
Discover Similar Games
Find a new game to play just like Under The Island through our curated lists. Steambase uses Steam's User Tag and Genre system (and other game stats) to curate a list of the best and most loved games similar to Under The Island.
Features & Categories
Frequently Asked Questions
Soures & References
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Under The Island data has been sourced from:
- Valve Corporation. (2026, March 4). Under The Island on Steam. Steam Store.
- Valve Corporation. (2026, March 4). Under The Island. Steam Community Hub.
- Slime King Games. (2023, July 10). Under The Island. Under The Island.