Back to index
KeyDwarf tracks listings. Nothing sold here.

Unknown Planet

Your spacecraft has crash landed on an alien planet. Explore this unknown world, mine the resources, build your base, grow farms, craft equipment, fight off the alien lifeforms and survive.

OfficialOct 19, 2023 · Synthetic GamesAdventureIndieDualSense Controller SupportDualShock Controller SupportFamily SharingWindows

Current best

$3.99

at Steam · Jul 8

All-time low

$3.99

Jul 8, 2026

Stores tracked

1

sources indexed

Review signal

97%

32 reviews

Unknown Planet cover

Current best · Steam

$3.99

Observed Jul 8

View best listing

Current low target

$3.99 · matches the current indexed low

KeyDwarf only tracks observations — checkout happens on the store.

Tracked Stores

Best indexed price $3.99 at Steam.

1/1
S

Steam

BestOfficialIn stock

Unknown Planet · Region US · Jul 8

$3.99

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

1 observations
Low $3.99
Best observed priceAll-time low

All-time low

$3.99

Jul 8, 2026 · Steam

12-week avg

$3.99

1 recent observations

Current vs low

At low

Current $3.99

Recommendation

At indexed low

current indexed price matches the low

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

Media

12 indexed

Common Questions

Where is Unknown Planet cheapest right now?

Unknown Planet is currently indexed at $3.99 from Steam. Publisher, direct storefront, or authorized retail source. Check the linked store's current terms before acting.

What is the historical low for Unknown Planet?

The indexed low for Unknown Planet is $3.99 from Steam, observed Jul 8, 2026. The current indexed price is at that low, so KeyDwarf labels it "At indexed low".

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?

Unknown Planet has a best indexed review signal of 97%.

Can KeyDwarf notify me about a lower price?

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