GOG
BestOfficialIn stockMars Horizon · Region US · Jul 17
$19.99
Mars Horizon
Lead a major space agency as you guide humanity to Mars in this strategy simulation game. Construct a base, design and build rockets, conduct missions throughout the Solar System, and write your own history of Space exploration. Created with support from the European Space Agency.
OfficialNov 17, 2020 · Auroch DigitalIndieSimulationStrategyAdjustable DifficultyAdjustable Text SizeWindows · Mac
Current best
$19.99
at GOG · Jul 17
All-time low
$16.99
Jul 6, 2026
Stores tracked
2
sources indexed
Review signal
84%
3,073 reviews
Current best · GOG
$19.99
Observed Jul 17
View best listingObserved low target
$16.99 · 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 stockMars Horizon · 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
$16.99
Jul 6, 2026 · GOG
12-week avg
$18.99
3 recent observations
Current vs low
+18%
Current $19.99
Recommendation
Fair indexed price
not far from the low
Lowest indexed daily price per currency. KeyDwarf tracks listings and does not sell keys.
Media
12 indexedCommon Questions
Where is Mars Horizon cheapest right now?
Mars Horizon 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 Mars Horizon?
The indexed low for Mars Horizon is $16.99 from GOG, observed Jul 6, 2026. The current indexed price is 18% above that low, so KeyDwarf labels it "Fair indexed price".
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?
Mars Horizon has a best indexed review signal of 84%.
Can KeyDwarf notify me about a lower price?
Use the alert target control on this page to save a watch target after sign-in.