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Quantum Brain

A turn-based hex-grid strategy game where tactical combat meets knowledge challenges. Battle an advanced AI on a dynamic 2D/3D board, trigger special hexes, and answer real questions to gain the advantage—or pay the price. Strategy, learning, and pressure collide in Quantum Brain Strategy.

OfficialFeb 10, 2026 · Quantum Brain GamesStrategyAdjustable DifficultyFamily SharingSingle-playerWindows · Mac · Linux

Current best

$7.99

at Steam · Jul 18

All-time low

$7.99

Jul 18, 2026

Stores tracked

1

sources indexed

Review signal

No reviews

Quantum Brain cover

Current best · Steam

$7.99

Observed Jul 18

View best listing

Current low target

$7.99 · matches the current indexed low

KeyDwarf only tracks observations — checkout happens on the store.

Tracked Stores

Best indexed price $7.99 at Steam.

1/1
S

Steam

BestOfficialIn stock

Quantum Brain · Region US · Jul 18

$7.99

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 observations
Low $7.99
Best observed priceAll-time low

All-time low

$7.99

Jul 18, 2026 · Steam

12-week avg

$7.99

1 recent observations

Current vs low

At low

Current $7.99

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 indexed

Common Questions

Where is Quantum Brain cheapest right now?

Quantum Brain is currently indexed at $7.99 from Steam. Publisher, direct storefront, or authorized retail source. Check the linked store's current terms before acting.

What is the historical low for Quantum Brain?

The indexed low for Quantum Brain is $7.99 from Steam, observed Jul 18, 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?

No review summary is indexed for this game yet.

Can KeyDwarf notify me about a lower price?

Use the alert target control on this page to save a watch target after sign-in.