Back to index
KeyDwarf tracks listings. Nothing sold here.

Proteus

Proteus is a game about exploration and immersion in a dream-like island world where the soundtrack to your play is created by your surroundings. Played in first-person, the primary means of interaction is simply your presence in the world and how you observe it.

OfficialJan 30, 2013 · Ed Key and David KanagaAdventureCasualIndieFamily SharingFull controller supportWindows · Mac · Linux

Current best

$9.99

at Steam · Jul 12

All-time low

$4.99

Jun 26, 2026

Stores tracked

1

sources indexed

Review signal

76%

2,791 reviews

Proteus cover

Current best · Steam

$9.99

Observed Jul 12

View best listing

Observed low target

$4.99 · based on the previous indexed low

KeyDwarf only tracks observations — checkout happens on the store.

Tracked Stores

Best indexed price $9.99 at Steam.

1/1
S

Steam

BestOfficialIn stock

Proteus · Region US · Jul 12

$9.99

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 $4.99
Best observed priceAll-time low

All-time low

$4.99

Jun 26, 2026 · Steam

12-week avg

$8.32

3 recent observations

Current vs low

+100%

Current $9.99

Recommendation

Watch for drop

consider setting an alert

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

Media

12 indexed

Common Questions

Where is Proteus cheapest right now?

Proteus is currently indexed at $9.99 from Steam. Publisher, direct storefront, or authorized retail source. Check the linked store's current terms before acting.

What is the historical low for Proteus?

The indexed low for Proteus is $4.99 from Steam, observed Jun 26, 2026. The current indexed price is 100% above that low, so KeyDwarf labels it "Watch for drop".

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?

Proteus has a best indexed review signal of 76%.

Can KeyDwarf notify me about a lower price?

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