GOG
BestOfficialIn stockTerraforming Mars · Region US · Jul 17
$19.99
Terraforming Mars
The taming of the Red Planet has begun! Corporations are competing to transform Mars into a habitable planet by spending vast resources and using innovative technology to raise temperature, create a breathable atmosphere, and make oceans of water.
OfficialOct 17, 2018 · Artefacts StudioStrategyFamily SharingMulti-playerOnline PvPPvPWindows · Mac
Current best
$19.99
at GOG · Jul 17
All-time low
$6.99
Jul 6, 2026
Stores tracked
2
sources indexed
Review signal
71%
7,202 reviews
Current best · GOG
$19.99
Observed Jul 17
View best listingObserved low target
$6.99 · based on the previous indexed low
KeyDwarf only tracks observations — checkout happens on the store.
Tracked Stores
Best indexed price $19.99 at GOG.
2/2
View listing
Steam
OfficialIn stockTerraforming Mars · Region US · Jul 15
$19.99
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 observationsBest observed priceAll-time low
All-time low
$6.99
Jul 6, 2026 · GOG
12-week avg
$15.66
3 recent observations
Current vs low
+186%
Current $19.99
Recommendation
Watch for drop
consider setting an alert
Lowest indexed daily price per currency. KeyDwarf tracks listings and does not sell keys.
Media
12 indexedCommon Questions
Where is Terraforming Mars cheapest right now?
Terraforming Mars is currently indexed at $19.99 from GOG. Publisher, direct storefront, or authorized retail source. Check the linked store's current terms before acting.
What is the historical low for Terraforming Mars?
The indexed low for Terraforming Mars is $6.99 from GOG, observed Jul 6, 2026. The current indexed price is 186% 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?
Terraforming Mars has a best indexed review signal of 71%.
Can KeyDwarf notify me about a lower price?
Use the alert target control on this page to save a watch target after sign-in.