How much revenue did Sins of a Solar Empire®: Rebellion make?

$5.7M–$15.3M after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Sins of a Solar Empire®: Rebellion sell?

Q: How many copies did Sins of a Solar Empire®: Rebellion sell?

1.0M to 1.7M copies, based on its 16k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 1.0M–1.7M; $5.7M–$15.3M after Steam's cut $10.3M–$23.5M before Steam's cut; from 16k reviews (Very Positive)

Copies are estimated from the public review count, adjusted for release year, and cross-checked against SteamSpy's own estimate.

Did the prediction match what actually happened?

We hid Sins of a Solar Empire®: Rebellion and predicted how it would do from its 8 similar games. Every figure here, including Sins of a Solar Empire®: Rebellion's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 15k–100k

best case 144k (NEBULOUS: Fleet Command)

Games like Sins of a Solar Empire®: Rebellion

A typical game among these

≈ 15k–100k copies

≈ $139k–$1.5M after Steam's cut

from ~1k reviews

Only the top fifth of 2019's Steam releases earned $34k or more before Steam's cut, so plan for that or less.

4 of the 8 similar games are hits.

Best case: NEBULOUS: Fleet Command at ≈ 110k–179k copies, ≈ $908k–$2.4M after Steam's cut.

What their first month looked like

About half the games that made it here had over 281 reviews in their first month; the range was 22 to 662.

The genre you'd be entering

These games: The similar games share Sandbox (5 of 8) and 4X (3 of 8).
The winners: Winners here lead with Space + Simulation, priced around $30.
When they shipped: The similar games span 2006 to 2024, and 2 of the 8 shipped in the last two years.

How these numbers were worked out

A hit here: 1,000+ reviews, roughly $150k+ before Steam's cut (a standard indie benchmark).

Copies come from each game's reviews times a sales-per-review rate that falls with release age, from about 31 for the most recent game here to about 79 for the oldest, then widened into a range; revenue rides on that estimate times price. Source: GameDiscoverCo (2020) and VG Insights (2021).

Similar games

Game	Est. copies	Est. revenue	Price	Reviews	Tags
Konkwest 2024	Est. copies ≈ 1k–2k SteamSpy under 20k	Est. revenue $3k–$7k after Steam's cut $5k–$11k before Steam's cut	$8.99	42 reviews Positive	StrategyGrand Strategy
Galactic Civilizations IV 2023	Est. copies ≈ 65k–105k 2.2x vs typical SteamSpy 200k–500k	Est. revenue $714k–$1.9M after Steam's cut $1.3M–$3.0M before Steam's cut	$39.99	3k reviews Mostly Positive	SpaceGrand Strategy
Lawgivers II 2023	Est. copies ≈ 18k–29k SteamSpy 20k–50k	Est. revenue $121k–$326k after Steam's cut $220k–$501k before Steam's cut	$24.99	711 reviews Mostly Positive	Early AccessPolitical Sim
DEFCON 2006	Est. copies ≈ 274k–445k 3.7x vs typical SteamSpy 200k–500k	Est. revenue $904k–$2.4M after Steam's cut $1.6M–$3.7M before Steam's cut	$11.99	4k reviews Very Positive	TacticalPvP
Hexarchy 2023	Est. copies ≈ 41k–67k SteamSpy 50k–100k	Est. revenue $225k–$606k after Steam's cut $410k–$933k before Steam's cut	$19.99	2k reviews Very Positive	Turn-BasedCard Game
NEBULOUS: Fleet Command 2022	Est. copies ≈ 110k–179k 3.8x vs typical SteamSpy 200k–500k	Est. revenue $908k–$2.4M after Steam's cut $1.7M–$3.8M before Steam's cut	$29.99	4k reviews Very Positive	StrategySpace
Puffin Planes 2024	Est. copies ≈ 9k–14k SteamSpy under 20k	Est. revenue $29k–$79k after Steam's cut $53k–$121k before Steam's cut	$11.99	358 reviews Very Positive	FlightTime Management
Outscape 2019	Est. copies ≈ 12k–19k SteamSpy 50k–100k	Est. revenue Free	Free	415 reviews Mostly Positive	StrategySci-fi