Steam
BestOfficialIn stockCepheus Protocol Anthology Season 1 · Region US · Jul 16
$3.99
was $4.99 · −20%
Cepheus Protocol Anthology Season 1
Experience the outbreak of the Pangu Virus from multiple perspectives across as the brave heroes of the Center for Epidemic Research and Control battle tirelessly to stop the spread of a cataclysmic alien virus that has mutated innocent people into monstrous creatures of unimaginable power
OfficialMay 12, 2022 · Halcyon WindsActionAdventureCasualIndieFamily SharingWindows · Mac
Current best
$3.99
at Steam · Jul 16
All-time low
$3.99
Jul 16, 2026
Stores tracked
1
sources indexed
Review signal
89%
18 reviews
Current best · Steam
$3.99$4.99−20%
Observed Jul 16
View best listingCurrent 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
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
2 observationsBest observed priceAll-time low
All-time low
$3.99
Jul 16, 2026 · Steam
12-week avg
$4.49
2 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 indexedCommon Questions
Where is Cepheus Protocol Anthology Season 1 cheapest right now?
Cepheus Protocol Anthology Season 1 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 Cepheus Protocol Anthology Season 1?
The indexed low for Cepheus Protocol Anthology Season 1 is $3.99 from Steam, observed Jul 16, 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?
Cepheus Protocol Anthology Season 1 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.