GOG
-50%Spacechem
98 · Official storeIn stock7m agoRegion US
$4.99
$9.99
SpaceChem
Zachtronics is back with an ambitious new design-based puzzle game. Take on the role of a Reactor Engineer working for SpaceChem, the leading chemical synthesizer for frontier colonies. Construct elaborate factories to transform raw materials into valuable chemical products!
Mar 2, 2011Windows, Mac, Linux
IndieSimulationFamily SharingSingle-playerSteam AchievementsSteam CloudSteam LeaderboardsSteam Trading Cards
Tracked stores
2
Best indexed price
$4.99
Review signal
No reviews
Current low target
$4.99 · matches the current indexed low
Compare Sellers
Best indexed price: $4.99 at GOG.
2/2
Open
Steam
SpaceChem
100 · Official storeIn stockJun 19Region US
$9.99
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
All-time low
$4.99
Jun 20, 2026 · GOG
12-week avg
$6.24
4 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.
Images and Media
Frequently asked
Where is SpaceChem cheapest right now?
SpaceChem is currently indexed at $4.99 from GOG. Official DRM-free storefront.
What is the historical low for SpaceChem?
The indexed low for SpaceChem is $4.99 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?
No review summary is indexed for this game yet.
Can KeyDwarf notify me about a lower price?
Use the alert target control on this page to save a watch target after sign-in.