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How many copies did Startopia sell?

Estimated copies sold
≈ 61k–100k
$118k–$318k after Steam's cut $215k–$489k before Steam's cut
from 973 reviews (Very 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 Startopia and predicted how it would do from its 8 similar games. Every figure here, including Startopia's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 3.5M–6.6M
best case 10.4M (Schedule I)
Games like Startopia

A typical game among these

≈ 3.5M–6.6M copies

≈ $49.7M–$72.2M after Steam's cut

from ~95k 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: Schedule I at ≈ 7.9M–12.8M copies, ≈ $43.4M–$116.6M after Steam's cut.

What their first month looked like
About half the games that made it here had over 44k reviews in their first month; the range was 26k to 153k.
The genre you'd be entering
These games
The similar games share Management (7 of 8) and Simulation (7 of 8).
The winners
Winners here lead with Simulation + Co-op, priced around $20.
When they shipped
The similar games span 2015 to 2025, and 2 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 61 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
≈ 2.3M–3.7M
SteamSpy 2M–5M
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AutomationSpace
Schedule I
2025
Est. copies
≈ 7.9M–12.8M
3.3x vs typical
SteamSpy 10M–20M
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Manor Lords
2024
Est. copies
≈ 2.3M–3.7M
SteamSpy 2M–5M
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93k reviews
Very Positive
StrategyCity Builder
Fallout Shelter
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≈ 2.9M–4.6M
SteamSpy 2M–5M
Est. revenue
Free
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Planet Zoo
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Est. copies
≈ 2.8M–4.6M
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Oxygen Not Included
2019
Est. copies
≈ 4.1M–6.7M
1.5x vs typical
SteamSpy 2M–5M
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Prison Architect
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Est. copies
≈ 3.8M–6.1M
SteamSpy 5M–10M
Est. revenue
$31.0M–$83.3M after Steam's cut $56.3M–$128.2M before Steam's cut
$29.99
77k reviews
Very Positive
SimulationBuilding
RimWorld
2018
Est. copies
≈ 7.6M–12.3M
2.6x vs typical
SteamSpy 5M–10M
Est. revenue
$72.7M–$195.4M after Steam's cut $132.2M–$300.7M before Steam's cut
$34.99
249k reviews
Overwhelmingly Positive
Colony SimBase-Building

Sizing up your own game? See how many copies games in its genre usually sell before you build it.