Sins of a Solar Empire II: Harbinger
Publisher: Stardock Entertainment · Release date: 2026-09-03
The long wait is over as the deadly faction, the Eidolon, arrives in Trader space! Command the power of corruption, stealth and psionics to conquer all before you in this major expansion for Sins of a Solar Empire II.
Sins of a Solar Empire II: Harbinger prices
Prices last checked . Each is the price the store lists; marketplaces add a service fee at checkout.
- Eneba — $26.74 (Steam, EUROPE)
- Instant Gaming — €10.89 (Steam, GLOBAL)
- YuPlay — €12.58 (Steam, GLOBAL)
- Kinguin — €14.18 (Steam, GLOBAL)
- G2A — €14.48 (Steam, GLOBAL)
Questions about Sins of a Solar Empire II: Harbinger
What is the lowest Sins of a Solar Empire II: Harbinger price in the last 30 days?
The lowest price we recorded in the last 30 days was $26.74. The cheapest offer today is $26.74.
Do these Sins of a Solar Empire II: Harbinger prices include fees?
Not always. Stores that sell their own keys, such as Steam and GOG, add no service fee, though sales tax is added at checkout in the US and Canada. Marketplaces add a service fee at checkout, and some payment methods add their own, so on a marketplace the total at checkout will be higher than the price listed here.
Will every Sins of a Solar Empire II: Harbinger key work in Australia?
Not all of them. Keys sold for another region (EUROPE) may not activate on an account registered in Australia; that applies to 1 of the 5 offers here. The cheapest key named above does.
Is it safe to buy a cheap Sins of a Solar Empire II: Harbinger key?
Official stores sell their own keys. Marketplaces and third-party sellers sell keys from other sellers: check the seller and the key’s region before you buy, and pay through the store’s own checkout.
Sins of a Solar Empire II: Harbinger reviews
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Steam: Mixed (62%) · 222 reviews