Sign in
wishvane

How many copies did Galactic Civilizations III sell?

Estimated copies sold
≈ 482k–783k
$4.0M–$10.7M after Steam's cut $7.2M–$16.4M before the cut
from 10k 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 III out and predicted the genre from its 8 similar games. Every figure here, including Galactic Civilizations III's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 77k–769k
best case 1.6M (Sid Meier's Civilization®: Beyond Earth™)

All 8 of your similar games are hits. A healthy genre for a game like yours.

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

A typical game
≈ 77k–769k copies
≈ $1.2M–$5.6M after Steam's cut
from ~8k reviews
Best case
≈ 1.2M–2.0M copies
Sid Meier's Civilization®: Beyond Earth™ · ≈ $13.2M–$35.5M after Steam's cut
The genre you'd be entering
Your set
Your set clusters on 4X (6 of 8) and Sci-fi (6 of 8).
The winners
Winners here lead with Turn-Based Strategy + Sci-fi, priced around $40.
The era
The games you compared span 2012 to 2026, a genre with a long track record.

Copies and revenue are rough lifetime estimates from the review count.

Similar games

Age of Wonders: Planetfall
2019
Est. copies
≈ 191k–310k
SteamSpy 200k–500k
Est. revenue
$1.6M–$4.2M after Steam's cut $2.9M–$6.5M before the cut
$29.99
7k reviews
Mostly Positive
StrategyTurn-Based Strategy
Sid Meier's Civilization®: Beyond Earth™
2014
Est. copies
≈ 1.2M–2.0M
2.9x vs typical
SteamSpy 1M–2M
Est. revenue
$13.2M–$35.5M after Steam's cut $24.0M–$54.6M before the cut
$39.99
23k reviews
Mixed
StrategyTurn-Based Strategy
Sins of a Solar Empire®: Rebellion
2012
Est. copies
≈ 848k–1.4M
2.0x vs typical
SteamSpy 2M–5M
Est. revenue
$4.7M–$12.5M after Steam's cut $8.5M–$19.3M before the cut
$19.99
16k reviews
Very Positive
ManagementDiplomacy
ENDLESS Space™ - Definitive Edition
2012
Est. copies
≈ 499k–811k
SteamSpy 1M–2M
Est. revenue
$1.4M–$3.7M after Steam's cut $2.5M–$5.7M before the cut
$9.99
10k reviews
Very Positive
Strategy4X
Slipways
2021
Est. copies
≈ 57k–92k
SteamSpy 200k–500k
Est. revenue
$266k–$715k after Steam's cut $484k–$1.1M before the cut
$16.99
2k reviews
Very Positive
StrategyPuzzle
Terra Invicta
2026
Est. copies
≈ 227k–368k
SteamSpy 200k–500k
Est. revenue
$2.5M–$6.7M after Steam's cut $4.5M–$10.3M before the cut
$39.99
9k reviews
Very Positive
StrategySimulation
Galactic Civilizations IV
2023
Est. copies
≈ 60k–97k
SteamSpy 200k–500k
Est. revenue
$656k–$1.8M after Steam's cut $1.2M–$2.7M before the cut
$39.99
2k reviews
Mostly Positive
Shadow Empire
2020
Est. copies
≈ 51k–83k
SteamSpy 20k–50k
Est. revenue
$559k–$1.5M after Steam's cut $1.0M–$2.3M before the cut
$39.99
2k reviews
Very Positive
StrategySimulation

Sizing up your own game? See what its genre can realistically do before you build it.