Sylphy and the Sleepless Island
Developed by Milky Way · Published by Kagura Games
At a glance
Overview
An action, adventure, indie game by Milky Way, published by Kagura Games — single-player.
Steam’s own one-line description: “One day, professional thief Sylphy learns of the mystical and valuable artifact of the Kingdom of Diezel, but the mission goes sideways and she ends up robbing the island of its night! She has one week to right her wrongs in this action-filled RPG!” — developer/publisher text via the Steam store page.
Reception & community
Review sentiment, ownership and peak-concurrent estimates via SteamSpy; tags are player-voted on Steam. Estimates change over time.
Features & modes
Derived from the gameplay modes and feature categories Steam lists for Sylphy and the Sleepless Island.
| Feature | Supported |
|---|---|
| Single-player | Yes |
| Multiplayer | No |
| Co-op | No |
| Online co-op | No |
| PvP | No |
| Cross-platform multiplayer | No |
| Full controller support | No |
| Partial controller support | No |
| Steam Cloud saves | Yes |
| Steam Achievements | No |
System requirements (PC)
As published on the Steam store page. Requirements can change between updates.
Minimum
- OS *: Windows® 7/8/8.1/10
- Processor: Intel Core2 Duo or better
- Memory: 4 GB RAM
- Graphics: DirectX 9/OpenGL 4.1 capable GPU
- DirectX: Version 9.0
- Storage: 1 GB available space
- Additional 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
- Memory: 4 GB RAM
- Graphics: OpenGL ES 2.0 hardware driver support required for WebGL acceleration. (AMD Catalyst 10.9, nVidia 358.50)
- DirectX: Version 9.0
- Storage: 4 GB available space
- Additional Notes: OpenGL ES 2.0 hardware driver support required for WebGL acceleration. (AMD Catalyst 10.9, nVidia 358.50)
Supported languages (3)
Sylphy and the Sleepless Island FAQ
Answered from the official Steam listing as of June 2026. Where something hasn't been announced, we say so rather than guess.
What kind of game is Sylphy and the Sleepless Island?
Steam classifies Sylphy and the Sleepless Island as a Action, Adventure, Indie, RPG, Simulation game, developed by Milky Way. One day, professional thief Sylphy learns of the mystical and valuable artifact of the Kingdom of Diezel, but the mission goes sideways and she ends up robbing the island of its night! She has one week to right her wrongs in this action-filled RPG!
How much does Sylphy and the Sleepless Island cost?
As of June 2026, Steam lists Sylphy and the Sleepless Island at $14.99. Prices and regional pricing change — check the Steam page for the current figure.
Is Sylphy and the Sleepless Island single-player or multiplayer?
Steam lists these modes for Sylphy and the Sleepless Island: Single-player. It lists a single-player mode.
Is Sylphy and the Sleepless Island on PlayStation, Xbox, or Switch?
Our data comes from the Steam (PC) store, which lists Sylphy and the Sleepless Island for Windows. Console availability isn’t in our Steam-sourced data — check the official site or the console store.
Is Sylphy and the Sleepless Island out yet?
Yes — Steam lists a release date of Oct 8, 2021.
What platforms is Sylphy and the Sleepless Island on?
Sylphy and the Sleepless Island is listed for Windows on the Steam (PC) store. Console availability isn't covered by Steam's PC store data — check the official channels.
Is Sylphy and the Sleepless Island single-player or multiplayer?
Steam lists these modes: Single-player.
How much does Sylphy and the Sleepless Island cost?
Steam lists it at $14.99.
Who made Sylphy and the Sleepless Island?
Sylphy and the Sleepless Island is developed by Milky Way and published by Kagura Games.
Where to get Sylphy and the Sleepless Island
We don't sell games or track prices — this links to the official Steam store page.
View on Steam →Listing details from Valve's public Steam store data · official site. Not affiliated with Valve/Steam, Kagura Games.