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DEFCON

Inspired by the 1983 cult classic film, Wargames, DEFCON superbly evokes the tension, paranoia and suspicion of the Cold War era, playing on the fascinating aspects of psychological gameplay that occur during strategic nuclear warfare.

OfficialSep 29, 2006 · Introversion SoftwareIndieStrategyCo-opCross-Platform MultiplayerFamily SharingWindows · Mac · Linux

Current best

$3.59

at GOG · Aug 12

All-time low

$3.59

Jun 20, 2026

Stores tracked

2

sources indexed

Review signal

87%

4,314 reviews

DEFCON cover

Current best · GOG

$3.59$11.99−70%

Observed Aug 12

View best listing

Current low target

$3.59 · matches the current indexed low

KeyDwarf only tracks observations — checkout happens on the store.

Tracked Stores

Best indexed price $3.59 at GOG.

2/2
G

GOG

BestOfficialIn stock

DEFCON · Region US · Aug 12

$3.59

was $11.99 · −70%

View listing
S

Steam

OfficialIn stock

DEFCON · Region US · Aug 6

$8.99

was $29.99 · −70%

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

10 observations
Low $3.59
Best observed priceAll-time low

All-time low

$3.59

Jun 20, 2026 · GOG

12-week avg

$7.97

10 recent observations

Current vs low

At low

Current $3.59

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 DEFCON cheapest right now?

DEFCON is currently indexed at $3.59 from GOG. Publisher, direct storefront, or authorized retail source. Check the linked store's current terms before acting.

What is the historical low for DEFCON?

The indexed low for DEFCON is $3.59 from GOG, observed Jun 20, 2026. The current indexed price is at that low, so KeyDwarf labels it "At indexed low".

Is the top source safe?

GOG 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?

DEFCON has a best indexed review signal of 87%.

Can KeyDwarf notify me about a lower price?

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