Under The Island

Top-down action adventure with puzzles across an interconnected island

Slime King Games · Published by Top Hat Studios, Inc., Doyoyo Games · Released Feb 17, 2026

Reviews: Very Positive; 92% of 467
Recent reviews: Very Positive; 93% of 15 in 30 days
Players: 2; daily peak, Oct 28, 2026
Steam Deck: Verified
Last update on Steam: 6 months ago; Apr 1, 2026
Minimum PC: HD 4000; 4 GB RAM · 1 GB disk; Full requirements

What is Under The Island?

This single-player, top-down action adventure follows Nia and local resident Avocado as they investigate why Seashell Island is destined to sink. You explore six connected regions, fight strange creatures using artifacts and new abilities, and help the island's residents.

For you if...

+you enjoy optional treasure hunts and upgrading your gear
+you prefer a lighthearted tone and eccentric characters

Not for you if...

−you want demanding combat and challenging boss fights

What players say

92% of 467 reviews are positive · 93% of 15 in the last 30 days

Players praise the pixel art, music, and world design. One recent reviewer criticizes repeated backtracking and enemies respawning when areas are revisited.

Screenshots and trailer

Under The Island system requirements

Minimum: HD 4000, 4 GB RAM, 1 GB of disk space.

As published by the developer.

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Minimum

OS: Windows 7/8/8.1/10 x86/x64
Processor: Intel Core i5-3210M (2 * 2500) or equivalent
Graphics: Intel HD 4000
Memory: 4 GB RAM
Storage: 1 GB available space
DirectX: Version 9.0c

Does Under The Island have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does Under The Island run on Steam Deck?

Verified Yes, Verified by Valve: it works on Steam Deck out of the box.

All functionality is accessible with the default controller configuration
Shows Steam Deck controller icons
In-game text is legible on Steam Deck
Default graphics settings perform well on Steam Deck
External controllers are not supported for the primary player

PC version details

DRM: None declared on Steam
Controller: Full controller support
Platforms: Windows
Achievements: 33
Steam features: Cloud saves, Family Sharing
Languages: Full audio: English, German. Text only: Simplified Chinese, Japanese, Traditional Chinese.

Does Under The Island use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam