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How many copies did Boss of this gym sell?

Estimated copies sold
≈ 15k–25k
$4k–$11k after Steam's cut $8k–$17k before Steam's cut
from 622 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 Boss of this gym and predicted how it would do from its 8 similar games. Every figure here, including Boss of this gym's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 407–300k
best case 355k (Idle Slayer)
Games like Boss of this gym

A typical game among these

≈ 407–300k copies

≈ $138–$163k after Steam's cut

from ~98 reviews

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

3 of the 8 similar games are hits.

No genre covers most of these similar games. The closest is Driving (4 of 8), so its genre is hard to place.

Of the 416 indie games that passed 1,000 reviews in 2022, 11.8% were novel genre mixes and 88.2% stuck to an established genre. Published indie market research.

Best case: Idle Slayer at ≈ 270k–439k copies.

What their first month looked like
About half the games that made it here had over 4 reviews in their first month; the range was 1 to 114.
Games with under about 100 reviews in month one almost never recover.
The genre you'd be entering
These games
The similar games share Driving (4 of 8) and Idler (4 of 8).
The winners
Winners here lead with Idler + Clicker.
When they shipped
The similar games span 2013 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

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AtmosphericSurreal
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RacingCasual
Idle Slayer
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Est. copies
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111x vs typical
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CasualIdler
Race The Sun
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Est. copies
≈ 402k–653k
65x vs typical
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$1.1M–$3.0M after Steam's cut $2.0M–$4.6M before Steam's cut
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Procedural GenerationRunner
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Est. copies
≈ 214k–348k
76x vs typical
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$117k–$316k after Steam's cut $213k–$485k before Steam's cut
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RacingMultiplayer
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≈ 50–81
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2 user reviews
CasualAdventure
Stream Runners: Heroes
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Est. copies
≈ 50–81
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Est. revenue
$28–$73 after Steam's cut $50–$113 before Steam's cut
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2 user reviews
IdlerOnline Co-Op

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