Steam
BestOfficialIn stockAbnormal1999:SU - Unlocking the 4th Dimension · Region US · Jul 14
$2.99
SU is a 2.5D deduction puzzle game. The submarine Nautilus suffers a mechanical failure during its voyage. Dr. Pierre investigates and finds anomalies in every area. Explore the deep blue depths, follow Dr. Pierre as he unravels the secrets of the Nautilus.
Current best
$2.99
at Steam · Jul 14
All-time low
$2.99
Jul 14, 2026
Stores tracked
1
sources indexed
Review signal
75%
8 reviews

Current best · Steam
Observed Jul 14
View best listingCurrent low target
$2.99 · matches the current indexed low
KeyDwarf only tracks observations — checkout happens on the store.
Best indexed price $2.99 at Steam.
Abnormal1999:SU - Unlocking the 4th Dimension · Region US · Jul 14
$2.99
All-time low
$2.99
Jul 14, 2026 · Steam
12-week avg
$2.99
1 recent observations
Current vs low
At low
Current $2.99
Recommendation
At indexed low
current indexed price matches the low
Lowest indexed daily price per currency. KeyDwarf tracks listings and does not sell keys.
Abnormal1999:SU - Unlocking the 4th Dimension is currently indexed at $2.99 from Steam. Publisher, direct storefront, or authorized retail source. Check the linked store's current terms before acting.
The indexed low for Abnormal1999:SU - Unlocking the 4th Dimension is $2.99 from Steam, observed Jul 14, 2026. The current indexed price is at that low, so KeyDwarf labels it "At indexed low".
Steam is labeled "Official store" in the index. KeyDwarf tracks the listing and source risk, but checkout and support stay with the external store.
Abnormal1999:SU - Unlocking the 4th Dimension has a best indexed review signal of 75%.
Use the alert target control on this page to save a watch target after sign-in.