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Guard Duty

Guard Duty is a comedy adventure about love, loss and the end of the world. Experience an unforgettable story spanning across two radically different time periods.

OfficialMay 2, 2019 · Headware GamesAdventureIndieFamily SharingSingle-playerSteam AchievementsWindows · Mac · Linux

Current best

$9.99

at GOG · Jul 5

All-time low

$3.99

Jul 6, 2026

Stores tracked

2

sources indexed

Review signal

92%

260 reviews

Guard Duty cover

Current best · GOG

$9.99

Observed Jul 5

View best listing

Observed low target

$3.99 · based on the previous indexed low

KeyDwarf only tracks observations — checkout happens on the store.

Tracked Stores

Best indexed price $9.99 at GOG.

2/2
G

GOG

BestOfficialIn stock

Guard Duty · Region US · Jul 5

$9.99

View listing
S

Steam

OfficialIn stock

Guard Duty · Region US · Jul 16

$9.99

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

3 observations
Low $3.99
Best observed priceAll-time low

All-time low

$3.99

Jul 6, 2026 · Steam

12-week avg

$7.99

3 recent observations

Current vs low

+150%

Current $9.99

Recommendation

Watch for drop

consider setting an alert

Lowest indexed daily price per currency. KeyDwarf tracks listings and does not sell keys.

Media

12 indexed

Common Questions

Where is Guard Duty cheapest right now?

Guard Duty is currently indexed at $9.99 from GOG. Publisher, direct storefront, or authorized retail source. Check the linked store's current terms before acting.

What is the historical low for Guard Duty?

The indexed low for Guard Duty is $3.99 from Steam, observed Jul 6, 2026. The current indexed price is 150% above that low, so KeyDwarf labels it "Watch for drop".

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?

Guard Duty has a best indexed review signal of 92%.

Can KeyDwarf notify me about a lower price?

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