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Opus Cortex: A Nonogram Puzzle Story

Solve captivating nonogram puzzles to recover your lost memories. As a newly awakened AI, every puzzle you complete reveals a piece of the truth about your past and the dangers facing the world. Unravel the mystery, pixel by pixel.

OfficialMar 7, 2025 · Rainier InteractiveCasualIndieStrategyDualSense Controller SupportDualShock Controller SupportWindows · Linux

Current best

$2.99

at Steam · Jul 14

All-time low

$2.99

Jul 14, 2026

Stores tracked

1

sources indexed

Review signal

95%

21 reviews

Opus Cortex: A Nonogram Puzzle Story cover

Current best · Steam

$2.99

Observed Jul 14

View best listing

Current low target

$2.99 · matches the current indexed low

KeyDwarf only tracks observations — checkout happens on the store.

Tracked Stores

Best indexed price $2.99 at Steam.

1/1
S

Steam

BestOfficialIn stock

Opus Cortex: A Nonogram Puzzle Story · Region US · Jul 14

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 $2.99
Best observed priceAll-time low

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.

Media

10 indexed

Common Questions

Where is Opus Cortex: A Nonogram Puzzle Story cheapest right now?

Opus Cortex: A Nonogram Puzzle Story is currently indexed at $2.99 from Steam. Publisher, direct storefront, or authorized retail source. Check the linked store's current terms before acting.

What is the historical low for Opus Cortex: A Nonogram Puzzle Story?

The indexed low for Opus Cortex: A Nonogram Puzzle Story is $2.99 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?

Opus Cortex: A Nonogram Puzzle Story has a best indexed review signal of 95%.

Can KeyDwarf notify me about a lower price?

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