Sylphy and the Sleepless Island
Time-management adventure RPG about restoring night before a deadline
Milky Way · Published by Kagura Games · Released Oct 8, 2021
ActionAdventureIndieRPGSimulation
As of Oct 28, 2026: -25% right now, $14.99
- Reviews
- Very Positive
- 88% of 181
- Recent reviews
- Not enough recent
- Players
- 3
- daily peak, Oct 28, 2026
- Steam Deck
- Playable
- Last update on Steam
- 4 years ago
- Oct 24, 2022
What is Sylphy and the Sleepless Island?
Set in an island kingdom, this single-player adventure RPG follows thief Sylphy as she tries to recapture an escaped spirit. You spend a week completing quests, earning money through side jobs, and exploring dungeons, with events tied to the time of day. You defeat ordinary enemies by running into them, while bosses require turn-based battles.
For you if...
- +you like replaying stories to explore different endings
Not for you if...
- −you prefer adventures without sexual content or nudity
What players say
88% of 181 reviews are positive
Players praise the humor, story, and variety of minigames. A recent reviewer criticizes the repetitive small quests needed to advance the story.
Screenshots and trailer
Sylphy and the Sleepless Island system requirements
Minimum: DirectX 9 GPU, 4 GB RAM, 1 GB of disk space.
As published by the developer.
Can my PC run Sylphy and the Sleepless Island?
Tell us your graphics card once and every game page will answer this for you.
Set up my PC →Minimum
- OS
- Windows® 7/8/8.1/10
- Processor
- Intel Core2 Duo or better
- Graphics
- DirectX 9/OpenGL 4.1 capable GPU
- Memory
- 4 GB RAM
- Storage
- 1 GB available space
- DirectX
- Version 9.0
- Notes
- OpenGL ES 2.0 hardware driver support required for WebGL acceleration. (AMD Catalyst 10.9, nVidia 358.50)
Recommended
- OS
- Windows® 7/8/8.1/10
- Processor
- Intel Core2 Duo or better
- Graphics
- OpenGL ES 2.0 hardware driver support required for WebGL acceleration. (AMD Catalyst 10.9, nVidia 358.50)
- Memory
- 4 GB RAM
- Storage
- 4 GB available space
- DirectX
- Version 9.0
- Notes
- OpenGL ES 2.0 hardware driver support required for WebGL acceleration. (AMD Catalyst 10.9, nVidia 358.50)
Does Sylphy and the Sleepless Island have co-op or multiplayer?
No: single-player only, no multiplayer modes declared.
Does Sylphy and the Sleepless Island run on Steam Deck?
Playable Playable: it runs on Steam Deck with some adjustments.
- Sometimes shows mouse, keyboard or non-Deck controller icons
- Some in-game text is small and may be hard to read
- All functionality is accessible with the default controller configuration
- Default graphics settings perform well on Steam Deck
PC version details
- DRM
- None declared on Steam
- Controller
- Keyboard and mouse
- Platforms
- Windows
- Steam features
- Cloud saves, Family Sharing, Trading cards
- Languages
- Text only: English, Japanese, Simplified Chinese.
Does Sylphy and the Sleepless 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
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