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How many copies did Thomas Was Alone sell?

Estimated copies sold
≈ 593k–964k
$1.6M–$4.4M after Steam's cut $3.0M–$6.7M before the cut
from 9k reviews (Very Positive)

A labeled estimate from the public review count (adjusted for release year), not exact sales. Owner data cross-checked with SteamSpy.

Does this actually work?

We left Thomas Was Alone out and predicted the genre from its 8 similar games. Every figure here, including Thomas Was Alone's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 91k–844k
best case 5.4M (BattleBlock Theater®)
Games like Thomas Was Alone

The middle of these games

≈ 91k–844k copies

≈ $433k–$4.3M after Steam's cut

from ~4k reviews

Only the top fifth of 2019’s Steam releases earned about $34k gross, so plan for that or less.

7 of your 8 similar games are hits.

Best case: BattleBlock Theater® at ≈ 4.1M–6.6M copies, ≈ $16.8M–$45.2M after Steam's cut.

What it took to get here
About half the games that made it here had over 143 reviews in their first month; the spread ran 85 to 169.
The genre you'd be entering
Your set
Your set clusters on Platformer (6 of 8) and Puzzle-Platformer (5 of 8).
The winners
Winners here lead with Co-op + Platformer, priced around $15.
The era
The games you compared span 2013 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

Hue
2016
Est. copies
≈ 472k–767k
3.1x vs typical
SteamSpy 500k–1M
Est. revenue
$1.9M–$5.2M after Steam's cut $3.5M–$8.0M before the cut
$14.99
11k reviews
Very Positive
IndiePuzzle
BattleBlock Theater®
2014
Est. copies
≈ 4.1M–6.6M
20x vs typical
SteamSpy 2M–5M
Est. revenue
$16.8M–$45.2M after Steam's cut $30.6M–$69.6M before the cut
$14.99
73k reviews
Overwhelmingly Positive
Nihilumbra
2013
Est. copies
≈ 190k–308k
SteamSpy 100k–200k
Est. revenue
$417k–$1.1M after Steam's cut $758k–$1.7M before the cut
$7.99
3k reviews
Very Positive
IndieAdventure
ICEY
2016
Est. copies
≈ 1.2M–1.9M
7.5x vs typical
SteamSpy 1M–2M
Est. revenue
$3.5M–$9.4M after Steam's cut $6.4M–$14.5M before the cut
$10.99
28k reviews
Very Positive
ActionFemale Protagonist
A Juggler's Tale
2021
Est. copies
≈ 56k–92k
SteamSpy under 20k
Est. revenue
$279k–$751k after Steam's cut $508k–$1.2M before the cut
$17.99
2k reviews
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AtmosphericFantasy
Songs for a Hero - Definitive Edition
2016
Est. copies
≈ 184k–300k
SteamSpy 200k–500k
Est. revenue
$760k–$2.0M after Steam's cut $1.4M–$3.1M before the cut
$14.99
4k reviews
Overwhelmingly Positive
2D PlatformerAdventure
Creepy Tale
2020
Est. copies
≈ 74k–120k
SteamSpy 100k–200k
Est. revenue
$101k–$272k after Steam's cut $184k–$418k before the cut
$4.99
3k reviews
Very Positive
Puzzle-PlatformerDark
Lost Words: Beyond the Page
2021
Est. copies
≈ 21k–34k
SteamSpy 50k–100k
Est. revenue
$85k–$229k after Steam's cut $155k–$352k before the cut
$14.99
833 reviews
Very Positive
Side ScrollerPuzzle-Platformer

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