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Sylphy and the Sleepless Island

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!

OfficialOct 8, 2021 · Milky WayActionAdventureIndieRPGSimulationWindows

Current best

$14.99

at Steam · Jul 8

All-time low

$14.99

Jul 6, 2026

Stores tracked

2

sources indexed

Review signal

89%

184 reviews

Sylphy and the Sleepless Island cover

Current best · Steam

$14.99$19.99−25%

Observed Jul 8

View best listing

Observed low target

$14.99 · based on the previous indexed low

KeyDwarf only tracks observations — checkout happens on the store.

Tracked Stores

Best indexed price $14.99 at Steam.

2/2
S

Steam

BestOfficialIn stock

Sylphy and the Sleepless Island · Region US · Jul 8

$14.99

was $19.99 · −25%

View listing
G

GOG

OfficialIn stock

Sylphy and the Sleepless Island · Region US · 15h ago

$19.99

View listing
How trust is scored: KeyDwarf combines source type, known retailer posture, marketplace risk, activation-region warnings, and source transparency. Checkout and support still happen with the external seller.

Price History

3 observations
Low $14.99
Best observed priceAll-time low

All-time low

$14.99

Jul 6, 2026 · GOG

12-week avg

$16.66

3 recent observations

Current vs low

+33%

Current $19.99

Recommendation

Fair indexed price

not far from the low

Lowest indexed daily price per currency. KeyDwarf tracks listings and does not sell keys.

Media

12 indexed

Common Questions

Where is Sylphy and the Sleepless Island cheapest right now?

Sylphy and the Sleepless Island is currently indexed at $14.99 from Steam. Publisher, direct storefront, or authorized retail source. Check the linked store's current terms before acting.

What is the historical low for Sylphy and the Sleepless Island?

The indexed low for Sylphy and the Sleepless Island is $14.99 from GOG, observed Jul 6, 2026. The current indexed price is 33% above that low, so KeyDwarf labels it "Fair indexed price".

Is the top source safe?

Steam is labeled "Official store" in the index. KeyDwarf tracks the listing and source risk, but checkout and support stay with the external store.

What is the review signal?

Sylphy and the Sleepless Island has a best indexed review signal of 89%.

Can KeyDwarf notify me about a lower price?

Use the alert target control on this page to save a watch target after sign-in.