Steam
BestOfficialIn stockFos · Region US · Jul 5
$0.99
Fos
In the distant future, an apocalyptic event has rendered the world in darkness, where robots seem to be all that survived. Ration your battery and memory to get as far as you can, but you can't move and see at the same time, so memory use is vital. Mark carefully, as every jump can be fatal.
OfficialJun 29, 2017 · Plaidman GamesIndieFamily SharingSingle-playerSteam AchievementsWindows
Current best
$0.99
at Steam · Jul 5
All-time low
$0.99
Jul 5, 2026
Stores tracked
1
sources indexed
Review signal
80%
5 reviews
Current best · Steam
$0.99
Observed Jul 5
View best listingCurrent low target
$0.99 · matches the current indexed low
KeyDwarf only tracks observations — checkout happens on the store.
Tracked Stores
Best indexed price $0.99 at Steam.
1/1
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 observationsBest observed priceAll-time low
All-time low
$0.99
Jul 5, 2026 · Steam
12-week avg
$0.99
1 recent observations
Current vs low
At low
Current $0.99
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
10 indexedCommon Questions
Where is Fos cheapest right now?
Fos is currently indexed at $0.99 from Steam. Publisher, direct storefront, or authorized retail source. Check the linked store's current terms before acting.
What is the historical low for Fos?
The indexed low for Fos is $0.99 from Steam, observed Jul 5, 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?
Fos has a best indexed review signal of 80%.
Can KeyDwarf notify me about a lower price?
Use the alert target control on this page to save a watch target after sign-in.