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How many copies did Sid Meier's Starships sell?

Estimated copies sold
≈ 121k–196k
$498k–$1.3M after Steam's cut $906k–$2.1M before Steam's cut
from 2k reviews (Mixed)

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 Sid Meier's Starships and predicted how it would do from its 8 similar games. Every figure here, including Sid Meier's Starships's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 262k–419k
best case 1.3M (BATTLETECH)
Games like Sid Meier's Starships

A typical game among these

≈ 262k–419k copies

≈ $1.4M–$3.0M after Steam's cut

from ~7k 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: BATTLETECH at ≈ 1.0M–1.6M copies, ≈ $11.1M–$29.9M after Steam's cut. It is a breakout hit, far above a typical game.

The genre you'd be entering
These games
The similar games share Sci-fi (8 of 8) and Turn-Based (7 of 8).
The winners
Winners here lead with Turn-Based + Sci-fi, priced around $40. The breakout hits carry Mechs + Action + Futuristic; a typical game here doesn't.
When they shipped
The similar games span 2008 to 2023, and none of them 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

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Est. copies
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SteamSpy 1M–2M
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$1.7M–$4.5M after Steam's cut $3.0M–$6.9M before Steam's cut
$9.99
10k reviews
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Strategy4X
Terraforming Mars
2018
Est. copies
≈ 221k–358k
SteamSpy 500k–1M
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StrategyBoard Game
BATTLETECH
2018
Est. copies
≈ 1.0M–1.6M
4.8x vs typical
SteamSpy 1M–2M
Est. revenue
$11.1M–$29.9M after Steam's cut $20.2M–$46.0M before Steam's cut
$39.99
33k reviews
Very Positive
MechsStrategy
Master of Orion
2016
Est. copies
≈ 341k–554k
SteamSpy 500k–1M
Est. revenue
$2.3M–$6.3M after Steam's cut $4.3M–$9.7M before Steam's cut
$24.99
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Strategy4X
Cobalt Core
2023
Est. copies
≈ 109k–177k
SteamSpy 100k–200k
Est. revenue
$600k–$1.6M after Steam's cut $1.1M–$2.5M before Steam's cut
$19.99
4k reviews
Overwhelmingly Positive
Sid Meier's Civilization®: Beyond Earth™
2014
Est. copies
≈ 1.3M–2.1M
3.3x vs typical
SteamSpy 1M–2M
Est. revenue
$14.3M–$38.4M after Steam's cut $26.0M–$59.0M before Steam's cut
$39.99
23k reviews
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Age of Wonders: Planetfall
2019
Est. copies
≈ 193k–313k
SteamSpy 200k–500k
Est. revenue
$1.6M–$4.3M after Steam's cut $2.9M–$6.6M before Steam's cut
$29.99
7k reviews
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X-COM: UFO Defense
2008
Est. copies
≈ 253k–411k
SteamSpy 1M–2M
Est. revenue
$347k–$934k after Steam's cut $632k–$1.4M before Steam's cut
$4.99
4k reviews
Overwhelmingly Positive
StrategyClassic

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