Steam
BestOfficialIn stockSins of a Solar Empire®: Rebellion · Region US · Jul 23
$19.99
Sins of a Solar Empire®: Rebellion
Command a space-faring empire in Sins of a Solar Empire: Rebellion, the new stand-alone expansion that combines 4X depth with real-time strategy gameplay.
OfficialJun 12, 2012 · Ironclad Games CorporationActionIndieSimulationStrategyAdjustable DifficultyWindows
Current best
$19.99
at Steam · Jul 23
All-time low
$5.99
Jun 26, 2026
Stores tracked
1
sources indexed
Review signal
93%
16,305 reviews
Current best · Steam
$19.99
Observed Jul 23
View best listingObserved low target
$5.99 · based on the previous indexed low
KeyDwarf only tracks observations — checkout happens on the store.
Tracked Stores
Best indexed price $19.99 at Steam.
1/1
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
5 observationsBest observed priceAll-time low
All-time low
$5.99
Jun 26, 2026 · Steam
12-week avg
$14.39
5 recent observations
Current vs low
+234%
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 Sins of a Solar Empire®: Rebellion cheapest right now?
Sins of a Solar Empire®: Rebellion is currently indexed at $19.99 from Steam. Publisher, direct storefront, or authorized retail source. Check the linked store's current terms before acting.
What is the historical low for Sins of a Solar Empire®: Rebellion?
The indexed low for Sins of a Solar Empire®: Rebellion is $5.99 from Steam, observed Jun 26, 2026. The current indexed price is 234% above that low, so KeyDwarf labels it "Watch for drop".
Is the top source safe?
Steam 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?
Sins of a Solar Empire®: Rebellion has a best indexed review signal of 93%.
Can KeyDwarf notify me about a lower price?
Use the alert target control on this page to save a watch target after sign-in.