Steam
BestOfficialIn stockSuccubus Research Diary · Region US · Jul 15
$9.99
Succubus Research Diary
The daring explorer Serena and the kindhearted succubus Nerisha meet by chance in the depths of the Underground. Succubus Research Diary is an adult visual novel about the unusual and very intimate relationship between the two women.
OfficialSep 6, 2021 · Arcus PlumeAdventureCasualIndieSimulationFamily SharingWindows · Linux
Current best
$9.99
at Steam · Jul 15
All-time low
$2.99
Jul 8, 2026
Stores tracked
1
sources indexed
Review signal
95%
37 reviews
Current best · Steam
$9.99
Observed Jul 15
View best listingObserved low target
$2.99 · 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
$2.99
Jul 8, 2026 · Steam
12-week avg
$6.49
2 recent observations
Current vs low
+234%
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 Succubus Research Diary cheapest right now?
Succubus Research Diary 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 Succubus Research Diary?
The indexed low for Succubus Research Diary is $2.99 from Steam, observed Jul 8, 2026. The current indexed price is 234% 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?
Succubus Research Diary has a best indexed review signal of 95%.
Can KeyDwarf notify me about a lower price?
Use the alert target control on this page to save a watch target after sign-in.