Steam
Sins of a Solar Empire®: Rebellion
100 · Official storeIn stockJun 19Region US
$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.
Jun 12, 2012Windows
ActionIndieSimulationStrategyAdjustable DifficultyCo-opCustom Volume ControlsFamily SharingIncludes level editorLAN Co-opLAN PvPMulti-player
Tracked stores
2
Best indexed price
$19.99
Review signal
No reviews
Current low target
$19.99 · matches the current indexed low
Compare Sellers
Best indexed price: $19.99 at Steam.
2/2
Open
GOG
Sins of a Solar Empire®: Rebellion
98 · Official storeNo USD price yet
No USD price yet
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
$19.99
Jun 19, 2026 · Steam
12-week avg
$19.99
1 recent observations
Current vs low
At low
Current $19.99
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 Sins of a Solar Empire®: Rebellion cheapest right now?
Sins of a Solar Empire®: Rebellion is currently indexed at $19.99 from Steam. Official Steam Store listing.
What is the historical low for Sins of a Solar Empire®: Rebellion?
The indexed low for Sins of a Solar Empire®: Rebellion is $19.99 from Steam, observed Jun 19, 2026. The current indexed price is at that low, so KeyDwarf labels it "At indexed low".
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?
No review summary is indexed for this game yet.
Can KeyDwarf notify me about a lower price?
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