How much revenue did Galactic Civilizations IV make?

$699k–$1.9M after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Galactic Civilizations IV sell?

Q: How many copies did Galactic Civilizations IV sell?

64k to 103k copies, based on its 3k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 64k–103k; $699k–$1.9M after Steam's cut $1.3M–$2.9M before the cut; from 3k reviews (Mostly 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 Galactic Civilizations IV out and predicted the genre from its 8 similar games. Every figure here, including Galactic Civilizations IV's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 141k–154k

best case 10.8M (Stellaris)

Games like Galactic Civilizations IV

The middle of these games

≈ 141k–154k copies

≈ $1.5M–$2.2M after Steam's cut

from ~4k reviews

Only the top fifth of 2019’s Steam releases earned about $34k gross, so plan for that or less.

All 8 of your similar games are hits.

Best case: Stellaris at ≈ 8.2M–13.3M copies, ≈ $112.6M–$302.8M after Steam's cut. A breakout hit, far above a typical game.

What it took to get here

About half the games that made it here had over 1k reviews in their first month; the spread ran 625 to 2k.

The genre you'd be entering

Your set: Your set clusters on Simulation (7 of 8) and Space (7 of 8).
The winners: Winners here lead with Space + Simulation, priced around $50.
The era: The games you compared span 2012 to 2024, and 1 of your 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
Stellaris 2016	Est. copies ≈ 8.2M–13.3M 45x vs typical SteamSpy 2M–5M	Est. revenue $112.6M–$302.8M after Steam's cut $204.7M–$465.8M before the cut	$49.99	197k reviews Very Positive	SpaceGrand Strategy
Dune: Imperium 2024	Est. copies ≈ 108k–175k SteamSpy 100k–200k	Est. revenue $681k–$1.8M after Steam's cut $1.2M–$2.8M before the cut	$22.99	4k reviews Very Positive	Board GameStrategy
NEBULOUS: Fleet Command 2022	Est. copies ≈ 110k–178k SteamSpy 200k–500k	Est. revenue $904k–$2.4M after Steam's cut $1.6M–$3.7M before the cut	$29.99	4k reviews Very Positive	StrategySpace
Sins of a Solar Empire®: Rebellion 2012	Est. copies ≈ 1.0M–1.7M 3.8x vs typical SteamSpy 2M–5M	Est. revenue $5.7M–$15.3M after Steam's cut $10.3M–$23.5M before the cut	$19.99	16k reviews Very Positive	ManagementDiplomacy
Starpoint Gemini Warlords 2017	Est. copies ≈ 124k–201k SteamSpy 200k–500k	Est. revenue $1.2M–$3.2M after Steam's cut $2.2M–$4.9M before the cut	$34.99	4k reviews Mostly Positive	SpaceRPG
X4: Foundations 2018	Est. copies ≈ 911k–1.5M 6.9x vs typical SteamSpy 1M–2M	Est. revenue $12.5M–$33.7M after Steam's cut $22.8M–$51.8M before the cut	$49.99	30k reviews Mostly Positive	Space SimSimulation
Distant Worlds 2 2022	Est. copies ≈ 88k–143k SteamSpy 100k–200k	Est. revenue $1.2M–$3.3M after Steam's cut $2.2M–$5.0M before the cut	$49.99	4k reviews Mostly Positive	StrategySimulation
Creeper World 4 2020	Est. copies ≈ 117k–190k SteamSpy 200k–500k	Est. revenue $804k–$2.2M after Steam's cut $1.5M–$3.3M before the cut	$24.99	5k reviews Very Positive	Tower DefenseWargame