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How many copies did Cosmic Pebble sell?

Estimated copies sold
≈ 818–1k
$1k–$3k after Steam's cut $2k–$5k before Steam's cut
from 33 reviews (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 Cosmic Pebble and predicted how it would do from its 8 similar games. Every figure here, including Cosmic Pebble's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 3k–10k
best case 779k (Thomas Was Alone)
Games like Cosmic Pebble

A typical game among these

≈ 3k–10k copies

≈ $11k–$56k after Steam's cut

from ~110 reviews

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

1 of the 8 similar games is a hit.

Best case: Thomas Was Alone at ≈ 594k–965k copies, ≈ $1.6M–$4.4M 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 54 reviews in their first month; the range was 5 to 113.
Games with under about 100 reviews in month one almost never recover.
The genre you'd be entering
These games
The similar games share Precision Platformer (8 of 8) and 2D Platformer (5 of 8).
The winners
Winners here lead with Platformer + Narration, priced around $10. The breakout hits carry Narration + Side Scroller + Sci-fi; a typical game here doesn't.
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

Forklift Load
2020
Est. copies
≈ 4k–6k
SteamSpy 50k–100k
Est. revenue
$3k–$9k after Steam's cut $6k–$13k before Steam's cut
$2.99
156 reviews
Very Positive
Precision Platformer3D Platformer
Thomas Was Alone
2012
Est. copies
≈ 594k–965k
85x vs typical
SteamSpy 500k–1M
Est. revenue
$1.6M–$4.4M after Steam's cut $3.0M–$6.7M before Steam's cut
$9.99
9k reviews
Very Positive
PlatformerNarration
Ingression
2024
Est. copies
≈ 3k–4k
SteamSpy under 20k
Est. revenue
$7k–$19k after Steam's cut $13k–$30k before Steam's cut
$9.99
106 reviews
Very Positive
Beam
2020
Est. copies
≈ 1k–2k
SteamSpy 50k–100k
Est. revenue
$8k–$21k after Steam's cut $14k–$32k before Steam's cut
$18.99
60 reviews
Very Positive
Kandria
2023
Est. copies
≈ 3k–4k
SteamSpy under 20k
Est. revenue
$15k–$40k after Steam's cut $27k–$62k before Steam's cut
$19.99
110 reviews
Very Positive
2D PlatformerExploration
Sunblaze
2021
Est. copies
≈ 12k–20k
4.4x vs typical
SteamSpy under 20k
Est. revenue
$50k–$133k after Steam's cut $90k–$205k before Steam's cut
$14.99
485 reviews
Very Positive
RetroSuperhero
On Rusty Trails
2016
Est. copies
≈ 11k–18k
2.4x vs typical
SteamSpy 20k–50k
Est. revenue
$46k–$123k after Steam's cut $83k–$189k before Steam's cut
$14.99
267 reviews
Very Positive
IndiePlatformer
Frebbventure
2023
Est. copies
≈ 1k–2k
SteamSpy under 20k
Est. revenue
$5k–$14k after Steam's cut $9k–$21k before Steam's cut
$12.99
58 reviews
Very Positive
Precision PlatformerSide Scroller

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