Steam
BestOfficialIn stockProfessor Why™: The Quantum Eye · Region US · Jul 4
$9.99
Professor Why™: The Quantum Eye
Professor Why disappears mysteriously. You have to fly to his space base Muta to investigate what happened. The supercomputer CORE may be responsible for his disappearance. You need to face one of its infected robots, The Quantum Eye and solve all of its puzzles.
OfficialDec 1, 2015 · Professor WhyEarly AccessIndieSimulationFamily SharingFull controller supportWindows · Mac · Linux
Current best
$9.99
at Steam · Jul 4
All-time low
$9.99
Jul 4, 2026
Stores tracked
1
sources indexed
Review signal
50%
16 reviews
Current best · Steam
$9.99
Observed Jul 4
View best listingCurrent low target
$9.99 · matches the current 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
1 observationsBest observed priceAll-time low
All-time low
$9.99
Jul 4, 2026 · Steam
12-week avg
$9.99
1 recent observations
Current vs low
At low
Current $9.99
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 Professor Why™: The Quantum Eye cheapest right now?
Professor Why™: The Quantum Eye 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 Professor Why™: The Quantum Eye?
The indexed low for Professor Why™: The Quantum Eye is $9.99 from Steam, observed Jul 4, 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?
Professor Why™: The Quantum Eye has a best indexed review signal of 50%.
Can KeyDwarf notify me about a lower price?
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