Steam
BestOfficialIn stockDepartment 42: The Mystery of the Nine · Region US · 19h ago
$9.99
Department 42: The Mystery of the Nine
Save humanity from a nightmarish future in this thrilling Hidden Object adventure! Join the secret Department 42 to track down the cursed and dangerous artifacts that vanished during a mysterious fire at the Grimstone Mansion.
OfficialJan 12, 2022 · FrogwaresCasualFamily SharingSingle-playerWindows
Current best
$9.99
at Steam · 19h ago
All-time low
$0.99
Jul 10, 2026
Stores tracked
1
sources indexed
Review signal
62%
37 reviews
Current best · Steam
$9.99
Observed 19h ago
View best listingObserved low target
$0.99 · 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
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
$0.99
Jul 10, 2026 · Steam
12-week avg
$5.49
2 recent observations
Current vs low
+909%
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 indexedCommon Questions
Where is Department 42: The Mystery of the Nine cheapest right now?
Department 42: The Mystery of the Nine 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 Department 42: The Mystery of the Nine?
The indexed low for Department 42: The Mystery of the Nine is $0.99 from Steam, observed Jul 10, 2026. The current indexed price is 909% 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?
Department 42: The Mystery of the Nine has a best indexed review signal of 62%.
Can KeyDwarf notify me about a lower price?
Use the alert target control on this page to save a watch target after sign-in.