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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!
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
How it worksTracked since Jul 7, 2026.
Steam Train Fest starts Jul 20, 2026
Official stores with direct support.
Sylphy works hard as a thief to support her sickly sister as they eke out a meager life in the slums. One day, she learns of an incredibly rare and powerful treasure which could be the answer to all their problems: The Orb of the Abyss.
The orb is locked away in a vault within the Kingdom of Diezel, a land of spiritual worship, but Sylphy's in luck, because Diezel's kicking off a week-long Spirit Festival! She sets sail dreaming of riches, but the mission goes sideways, and she instead ends up robbing the island of its night by freeing the Spirit of the Night, Lyla, who was trapped within the orb. Sylphy then finds herself captured and is swiftly labeled a criminal.
Her only hope of salvation is to help save the kingdom imprisoning her, but she's going to have to travel across the island, garnering the support of people who aren't exactly keen to help her. It's time for Sylphy to return night to the sleepless island!
In this time management adventure, you have a week to track down Lyla and garner enough public support to help you on your quest for redemption. Take on missions around the island, complete side jobs to gather funds, and clear dungeons to raise your level!
There's no need to worry about pesky random battles! During dungeon excursions, basic enemies are defeated simply by running into them, while turn-based combat is reserved for boss fights, each of which has its own gimmick.
To keep the adventure interesting, there's no shortage of minigames! One quest might ask you to engage in a rhythm battle against a group of orcs! Another might transform the game into a first-person dungeon crawler!
Comedy-filled Story
This is one tale that doesn't take itself too seriously, with plenty of jokes peppered throughout! A boss might beg you to defeat it, some mean-looking orcs might turn out to be nice guys... There's no telling what'll happen next!
Tons of Minigames
From herding slimes and avoiding bandits to breaking down doors, there's never a dull moment in this adventure!
Time Management Adventure
Manage your time while taking on quests! Different events will take place across the island depending on the time, so there are plenty of secrets to discover...
Right now the cheapest offer for Sylphy and the Sleepless Island is PLN 53.99 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for Sylphy and the Sleepless Island is PLN 53.99 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
Create a free price alert on this page and KingsPrice will email you when Sylphy and the Sleepless Island drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
