How much revenue did Galactic Civilizations IV make?

$714k–$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?

65k to 105k copies, based on its 3k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 65k–105k; $714k–$1.9M after Steam's cut $1.3M–$3.0M before Steam's cut; from 3k reviews (Mostly 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 Galactic Civilizations IV and predicted how it would do from its 8 similar games. Every figure here, including Galactic Civilizations IV's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 143k–154k

best case 10.7M (Stellaris)

Games like Galactic Civilizations IV

A typical game among these

≈ 143k–154k copies

≈ $1.5M–$2.2M after Steam's cut

from ~4k reviews

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

All 8 of the similar games are hits.

Best case: Stellaris at ≈ 8.2M–13.3M copies, ≈ $112.6M–$302.6M after Steam's cut. It is a breakout hit, far above a typical game.

What their first month looked like

About half the games that made it here had over 1k reviews in their first month; the range was 623 to 2k.

The genre you'd be entering

These games: The similar games share Simulation (7 of 8) and Space (7 of 8).
The winners: Winners here lead with Space + Simulation, priced around $50.
When they shipped: The similar games span 2012 to 2024, and 1 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
Stellaris 2016	Est. copies ≈ 8.2M–13.3M 45x vs typical SteamSpy 2M–5M	Est. revenue $112.6M–$302.6M after Steam's cut $204.7M–$465.6M before Steam's cut	$49.99	197k reviews Very Positive	SpaceGrand Strategy
Dune: Imperium 2024	Est. copies ≈ 109k–178k SteamSpy 100k–200k	Est. revenue $691k–$1.9M after Steam's cut $1.3M–$2.9M before Steam's cut	$22.99	4k reviews Very Positive	Board GameStrategy
NEBULOUS: Fleet Command 2022	Est. copies ≈ 110k–179k 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
Sins of a Solar Empire®: Rebellion 2012	Est. copies ≈ 1.0M–1.7M 3.7x vs typical SteamSpy 2M–5M	Est. revenue $5.7M–$15.3M after Steam's cut $10.3M–$23.5M before Steam's 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 Steam's cut	$34.99	4k reviews Mostly Positive	SpaceRPG
X4: Foundations 2018	Est. copies ≈ 920k–1.5M 6.9x vs typical SteamSpy 1M–2M	Est. revenue $12.7M–$34.0M after Steam's cut $23.0M–$52.3M before Steam's cut	$49.99	30k reviews Mostly Positive	Space SimSimulation
Distant Worlds 2 2022	Est. copies ≈ 88k–144k SteamSpy 100k–200k	Est. revenue $1.2M–$3.3M after Steam's cut $2.2M–$5.0M before Steam's cut	$49.99	4k reviews Mostly Positive	StrategySimulation
Creeper World 4 2020	Est. copies ≈ 117k–191k SteamSpy 200k–500k	Est. revenue $807k–$2.2M after Steam's cut $1.5M–$3.3M before Steam's cut	$24.99	5k reviews Very Positive	Tower DefenseWargame