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How many copies did The Greatest Penguin Heist of All Time sell?

Estimated copies sold
≈ 73k–118k
$300k–$806k after Steam's cut $545k–$1.2M before Steam's cut
from 3k 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 The Greatest Penguin Heist of All Time and predicted how it would do from its 8 similar games. Every figure here, including The Greatest Penguin Heist of All Time's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 2k–4.1M
best case 105.1M (Garry's Mod)
Games like The Greatest Penguin Heist of All Time

A typical game among these

≈ 2k–4.1M copies

≈ $13.2M–$136.5M after Steam's cut

from ~20k reviews

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

5 of the 8 similar games are hits.

Best case: Garry's Mod at ≈ 80.0M–130.1M copies, ≈ $219.9M–$591.3M after Steam's cut.

The genre you'd be entering
These games
The similar games share Sandbox (5 of 8) and Physics (3 of 8).
The winners
Winners here lead with Sandbox + Moddable, priced around $10.
When they shipped
The similar games span 2006 to 2021, 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

Garry's Mod
2006
Est. copies
≈ 80.0M–130.1M
62x vs typical
SteamSpy 20M–50M
Est. revenue
$219.9M–$591.3M after Steam's cut $399.8M–$909.6M before Steam's cut
$9.99
1.3M reviews
Overwhelmingly Positive
SandboxModdable
People Playground
2019
Est. copies
≈ 9.2M–15.0M
16x vs typical
SteamSpy 5M–10M
Est. revenue
$25.4M–$68.2M after Steam's cut $46.1M–$104.9M before Steam's cut
$9.99
321k reviews
Overwhelmingly Positive
SandboxGore
Just Cause 4 Reloaded
2018
Est. copies
≈ 982k–1.6M
1.6x vs typical
SteamSpy 1M–2M
Est. revenue
Free
Free
32k reviews
Mixed
Open WorldAction
Dead Rising 4
2017
Est. copies
≈ 290k–472k
SteamSpy 200k–500k
Est. revenue
$2.4M–$6.4M after Steam's cut $4.4M–$9.9M before Steam's cut
$29.99
8k reviews
Mixed
ZombiesOpen World
Two Point Hospital
2018
Est. copies
≈ 1.1M–1.7M
1.7x vs typical
SteamSpy 1M–2M
Est. revenue
$8.8M–$23.6M after Steam's cut $16.0M–$36.3M before Steam's cut
$29.99
35k reviews
Very Positive
Public Enemy: Revolution Simulator
2019
Est. copies
≈ 2k–4k
SteamSpy 20k–50k
Est. revenue
Free
Free
76 reviews
Very Positive
ActionStealth
Dubbing Time
2020
Est. copies
≈ 50–81
SteamSpy under 20k
Est. revenue
Free
Free
2 reviews
2 user reviews
The Van of Justice
2021
Est. copies
≈ 595–967
SteamSpy 50k–100k
Est. revenue
Free
Free
24 reviews
Positive
ActionPhysics

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