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Happy Nuclear

Happy Nuclear is an evidence-based investigation game where players act as detectives to prevent a disaster. They analyze interconnected case information on an investigation board, primarily using old CCTV and access logs. Cases link together at the end, and each replay introduces changes.

OfficialJun 9, 2025 · Hi-DevelopCasualIndieRPGSimulationFamily SharingWindows

Current best

$4.99

at Steam · Jul 16

All-time low

$4.99

Jul 16, 2026

Stores tracked

1

sources indexed

Review signal

89%

18 reviews

Happy Nuclear cover

Current best · Steam

$4.99

Observed Jul 16

View best listing

Current low target

$4.99 · matches the current indexed low

KeyDwarf only tracks observations — checkout happens on the store.

Tracked Stores

Best indexed price $4.99 at Steam.

1/1
S

Steam

BestOfficialIn stock

Happy Nuclear · Region US · Jul 16

$4.99

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 $4.99
Best observed priceAll-time low

All-time low

$4.99

Jul 16, 2026 · Steam

12-week avg

$4.99

1 recent observations

Current vs low

At low

Current $4.99

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

11 indexed

Common Questions

Where is Happy Nuclear cheapest right now?

Happy Nuclear is currently indexed at $4.99 from Steam. Publisher, direct storefront, or authorized retail source. Check the linked store's current terms before acting.

What is the historical low for Happy Nuclear?

The indexed low for Happy Nuclear is $4.99 from Steam, observed Jul 16, 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?

Happy Nuclear has a best indexed review signal of 89%.

Can KeyDwarf notify me about a lower price?

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