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How many copies did Spark Vs The Marshmallows sell?

Estimated copies sold
≈ 99–161
$272–$732 after Steam's cut $495–$1k before Steam's cut
from 4 reviews (4 user reviews)
Only 4 reviews so far, so that range swings on one or two people. Read it as a hint, not a measurement.

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 Spark Vs The Marshmallows and predicted how it would do from its 8 similar games. Every figure here, including Spark Vs The Marshmallows's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 7.4M–18.0M
best case 39.5M (Black Myth: Wukong)
Games like Spark Vs The Marshmallows

A typical game among these

≈ 7.4M–18.0M copies

≈ $119.3M–$169.8M after Steam's cut

from ~220k 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: Black Myth: Wukong at ≈ 30.1M–48.9M copies, ≈ $496.2M–$1334.2M 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 72k reviews in their first month; the range was 16k to 836k.
The genre you'd be entering
These games
The similar games share Story Rich (6 of 8) and Co-op (3 of 8).
The winners
Winners here lead with Mythology + Action RPG, priced around $60. The breakout hits carry Mythology + Action RPG + RPG; a typical game here doesn't.
When they shipped
The similar games span 1998 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

It Takes Two
2021
Est. copies
≈ 6.7M–10.9M
SteamSpy 5M–10M
Est. revenue
$73.7M–$198.3M after Steam's cut $134.1M–$305.0M before Steam's cut
$39.99
270k reviews
Overwhelmingly Positive
Co-opMultiplayer
Black Myth: Wukong
2024
Est. copies
≈ 30.1M–48.9M
5.5x vs typical
SteamSpy 50M–100M
Est. revenue
$496.2M–$1334.2M after Steam's cut $902.2M–$2052.5M before Steam's cut
$59.99
1.2M reviews
Overwhelmingly Positive
MythologyAction RPG
Half-Life
1998
Est. copies
≈ 10.4M–16.9M
SteamSpy 10M–20M
Est. revenue
$28.5M–$76.7M after Steam's cut $51.9M–$118.0M before Steam's cut
$9.99
164k reviews
Overwhelmingly Positive
FPSClassic
Portal 2
2011
Est. copies
≈ 29.5M–48.0M
2.1x vs typical
SteamSpy 5M–10M
Est. revenue
$81.1M–$218.1M after Steam's cut $147.5M–$335.6M before Steam's cut
$9.99
467k reviews
Overwhelmingly Positive
STAR WARS Jedi: Fallen Order™
2019
Est. copies
≈ 5.1M–8.2M
SteamSpy 2M–5M
Est. revenue
$55.6M–$149.5M after Steam's cut $101.1M–$230.0M before Steam's cut
$39.99
176k reviews
Very Positive
Action-AdventureSouls-like
Far Cry® 5
2018
Est. copies
≈ 5.8M–9.4M
SteamSpy 2M–5M
Est. revenue
$95.1M–$255.6M after Steam's cut $172.9M–$393.3M before Steam's cut
$59.99
190k reviews
Very Positive
Open WorldAction-Adventure
Dying Light 2 Stay Human: Reloaded Edition
2022
Est. copies
≈ 5.5M–8.9M
SteamSpy 5M–10M
Est. revenue
$90.1M–$242.1M after Steam's cut $163.7M–$372.5M before Steam's cut
$59.99
220k reviews
Mostly Positive
Open WorldCo-op
Tomb Raider Game of the Year
2013
Est. copies
≈ 17.1M–27.8M
SteamSpy 5M–10M
Est. revenue
$94.0M–$252.8M after Steam's cut $171.0M–$388.9M before Steam's cut
$19.99
271k reviews
Overwhelmingly Positive
AdventureAction

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