How much revenue did Sins of a Solar Empire II make?

An estimated 2.8M to 7.5M net after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Sins of a Solar Empire II sell?

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

An estimated 203k to 330k copies, based on its 8k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 203k–330k; $2.8M–$7.5M net $5.1M–$11.6M gross; from 8k reviews (Very Positive)

A labeled estimate from the public review count (adjusted for release year), not exact sales. Owner data cross-checked with SteamSpy.

Does this actually work?

We left Sins of a Solar Empire II out and predicted the genre from its 8 similar games. Every figure here, including Sins of a Solar Empire II's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 947k–1.4M

best case 10.3M (Stellaris)

The Space lane

A big, proven genre, though hit-driven: most sell around 1.1M copies, while a few break out far above.

A typical game

≈ 1.1M copies

≈ $16.0M after Steam's cut

from ~23k reviews

Best case

≈ 10.3M copies

Stellaris · ≈ $198.5M after Steam's cut

from 196k reviews

A breakout hit, far above a typical game.

7 of your 8 games sit in the typical range; 1 is a breakout hit far above it.

Copies and revenue are rough lifetime estimates from the review count; typical figures are medians per column, so they can come from different games.

The lane you'd be entering

Winners here lead with Space + Grand Strategy, priced around $50.
The breakout hits carry Exploration + Grand Strategy + 4X; a typical game here doesn't.
The games you compared span 2010 to 2024, a lane with a long track record.
A typical game here lands in Diamond ($1M+ before Steam's cut, est.). Tiers: Chris Zukowski's benchmark tiers.

Similar games

Game	Price	Reviews	Tags	Est. copies	Est. revenue
X4: Foundations 2018	Est. copies ≈ 892k–1.5M SteamSpy 1M–2M	Est. revenue $12.3M–$33.0M net $22.3M–$50.7M gross	$49.99	29k reviews Mostly Positive	Space SimSimulation +6
Empires of the Undergrowth 2024	Est. copies ≈ 438k–712k SteamSpy 500k–1M	Est. revenue $3.6M–$9.7M net $6.6M–$15.0M gross	$29.99	18k reviews Very Positive	StrategySimulation +6
Sins of a Solar Empire®: Rebellion 2012	Est. copies ≈ 848k–1.4M SteamSpy 2M–5M	Est. revenue $4.7M–$12.5M net $8.5M–$19.3M gross	$19.99	16k reviews Very Positive	ManagementDiplomacy +6
Stellaris 2016	Est. copies ≈ 7.8M–12.7M 8.5x vs typical SteamSpy 2M–5M	Est. revenue $107.6M–$289.3M net $195.7M–$445.2M gross	$49.99	196k reviews Very Positive	SpaceGrand Strategy +6
ENDLESS Space™ 2 2017	Est. copies ≈ 790k–1.3M SteamSpy 1M–2M	Est. revenue $8.7M–$23.3M net $15.8M–$35.9M gross	$39.99	23k reviews Very Positive	StrategySpace +6
Sid Meier's Civilization®: Beyond Earth™ 2014	Est. copies ≈ 1.2M–2.0M SteamSpy 1M–2M	Est. revenue $13.2M–$35.5M net $24.0M–$54.6M gross	$39.99	23k reviews Mixed	StrategyTurn-Based Strategy +6
STAR WARS™ Empire at War - Gold Pack 2010	Est. copies ≈ 2.2M–3.6M 1.9x vs typical SteamSpy 1M–2M	Est. revenue $12.2M–$32.9M net $22.2M–$50.5M gross	$19.99	43k reviews Overwhelmingly Positive	StrategyRTS +6
Homeworld Remastered Collection 2015	Est. copies ≈ 654k–1.1M SteamSpy 1M–2M	Est. revenue $6.3M–$16.9M net $11.4M–$26.0M gross	$34.99	14k reviews Very Positive	SpaceStrategy +6