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How many copies did Marginal act sell?

Estimated copies sold
≈ 304–494
$835–$2k after Steam's cut $2k–$3k before Steam's cut
from 10 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 Marginal act and predicted how it would do from its 8 similar games. Every figure here, including Marginal act's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 1.7M–3.9M
best case 4.6M (MiSide)
Games like Marginal act

A typical game among these

≈ 1.7M–3.9M copies

≈ $13.9M–$36.2M after Steam's cut

from ~55k 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: MiSide at ≈ 3.5M–5.8M copies, ≈ $14.6M–$39.2M after Steam's cut.

What their first month looked like
About half the games that made it here had over 23k reviews in their first month; the range was 5k to 64k.
The genre you'd be entering
These games
The similar games share Story Rich (8 of 8) and Zombies (4 of 8).
The winners
Winners here lead with Psychological Horror + Story Rich, priced around $15.
When they shipped
The similar games span 2012 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 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

The Walking Dead: The Final Season
2018
Est. copies
≈ 655k–1.1M
SteamSpy 500k–1M
Est. revenue
$3.6M–$9.7M after Steam's cut $6.5M–$14.9M before Steam's cut
$19.99
22k reviews
Overwhelmingly Positive
Story RichChoices Matter
What Remains of Edith Finch
2017
Est. copies
≈ 1.8M–3.0M
SteamSpy 500k–1M
Est. revenue
$10.1M–$27.2M after Steam's cut $18.4M–$41.8M before Steam's cut
$19.99
53k reviews
Overwhelmingly Positive
Story RichAtmospheric
The Walking Dead
2012
Est. copies
≈ 5.1M–8.3M
SteamSpy 2M–5M
Est. revenue
$21.0M–$56.5M after Steam's cut $38.2M–$86.9M before Steam's cut
$14.99
81k reviews
Overwhelmingly Positive
ZombiesStory Rich
The Coffin of Andy and Leyley
2023
Est. copies
≈ 982k–1.6M
SteamSpy 500k–1M
Est. revenue
$3.2M–$8.7M after Steam's cut $5.9M–$13.4M before Steam's cut
$11.99
40k reviews
Overwhelmingly Positive
PsychologicalDark Comedy
The Walking Dead: Season Two
2013
Est. copies
≈ 2.2M–3.5M
SteamSpy 1M–2M
Est. revenue
$8.9M–$23.8M after Steam's cut $16.1M–$36.7M before Steam's cut
$14.99
34k reviews
Overwhelmingly Positive
ZombiesAdventure
MiSide
2024
Est. copies
≈ 3.5M–5.8M
2.6x vs typical
SteamSpy 1M–2M
Est. revenue
$14.6M–$39.2M after Steam's cut $26.5M–$60.4M before Steam's cut
$14.99
143k reviews
Overwhelmingly Positive
The Last of Us™ Part II Remastered
2025
Est. copies
≈ 1.4M–2.3M
SteamSpy 500k–1M
Est. revenue
$19.2M–$51.5M after Steam's cut $34.9M–$79.3M before Steam's cut
$49.99
56k reviews
Very Positive
Story RichPost-apocalyptic
The Last of Us™ Part I
2023
Est. copies
≈ 2.7M–4.4M
2.0x vs typical
SteamSpy 1M–2M
Est. revenue
$45.1M–$121.3M after Steam's cut $82.0M–$186.6M before Steam's cut
$59.99
110k reviews
Very Positive
Story RichPost-apocalyptic

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