Steam
BestOfficialIn stockMy Best Friend's Sister · Region US · 1h ago
$5.84
was $12.99 · −55%
My Best Friend's Sister
A night at your best friend’s house turns into a tempting choice between desire and restraint.
OfficialJan 9, 2026 · Naughty SisterAdventureCasualRPGSimulationCustom Volume ControlsWindows · Mac · Linux
Current best
$5.84
at Steam · 1h ago
All-time low
$5.84
Aug 28, 2026
Stores tracked
1
sources indexed
Review signal
72%
455 reviews
Current best · Steam
$5.84$12.99−55%
Observed 1h ago
View best listingCurrent low target
$5.84 · matches the current indexed low
KeyDwarf only tracks observations — checkout happens on the store.
Tracked Stores
Best indexed price $5.84 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
3 observationsBest observed priceAll-time low
All-time low
$5.84
Aug 28, 2026 · Steam
12-week avg
$8.44
3 recent observations
Current vs low
At low
Current $5.84
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 My Best Friend's Sister cheapest right now?
My Best Friend's Sister is currently indexed at $5.84 from Steam. Publisher, direct storefront, or authorized retail source. Check the linked store's current terms before acting.
What is the historical low for My Best Friend's Sister?
The indexed low for My Best Friend's Sister is $5.84 from Steam, observed Aug 28, 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?
My Best Friend's Sister has a best indexed review signal of 72%.
Can KeyDwarf notify me about a lower price?
Use the alert target control on this page to save a watch target after sign-in.