Steam
BestOfficialIn stockSub Optimal Co. · Region US · Jul 14
$3.99
Sub Optimal Co.
It's simple. Operate your submarine through challenging tight cave systems to collect the target, while not scratching the cave walls under suboptimal conditions. Navigate carefully and consider every move in this slow pace, athmospheric, multiplayer, submarine simulation-lite.
OfficialMar 17, 2026 · It's A SidegameCasualIndieSimulationCo-opFamily SharingWindows
Current best
$3.99
at Steam · Jul 14
All-time low
$3.99
Jul 14, 2026
Stores tracked
1
sources indexed
Review signal
82%
11 reviews
Current best · Steam
$3.99
Observed Jul 14
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
1 observationsBest observed priceAll-time low
All-time low
$3.99
Jul 14, 2026 · Steam
12-week avg
$3.99
1 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 Sub Optimal Co. cheapest right now?
Sub Optimal Co. 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 Sub Optimal Co.?
The indexed low for Sub Optimal Co. is $3.99 from Steam, observed Jul 14, 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?
Sub Optimal Co. has a best indexed review signal of 82%.
Can KeyDwarf notify me about a lower price?
Use the alert target control on this page to save a watch target after sign-in.