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How many copies did 100 hidden aliens sell?

Estimated copies sold
≈ 13k–22k
$4k–$10k after Steam's cut $7k–$15k before the cut
from 536 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 100 hidden aliens out and predicted the genre from its 8 similar games. Every figure here, including 100 hidden aliens's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 11k–74k
best case 146k (A Building Full of Cats)
Games like 100 hidden aliens

The middle of these games

≈ 11k–74k copies

≈ $9k–$99k after Steam's cut

from ~801 reviews

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

3 of your 8 similar games are hits.

Best case: A Building Full of Cats at ≈ 111k–181k copies, ≈ $91k–$246k after Steam's cut.

What it took to get here
About half the games that made it here had over 66 reviews in their first month; the spread ran 13 to 695.
Under about 100 in month one, almost nothing recovers.
The genre you'd be entering
Your set
Your set clusters on Hand-drawn (8 of 8) and Hidden Object (8 of 8).
The winners
Winners here lead with Cats + Hidden Object, priced around $3.
The era
Only 1 of your 8 similar games shipped in the last two years. That says more about your picks than about the market, so add newer similar games to read the timing.
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 of about 31, then widened into a range; revenue rides on that estimate times price. Source: GameDiscoverCo (2020) and VG Insights (2021).

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Est. copies
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SteamSpy under 20k
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Point & ClickHidden Object
100 hidden cats 2
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CatsHidden Object
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Free
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CasualAdventure
Labyrinth City: Pierre the Maze Detective
2021
Est. copies
≈ 56k–91k
2.8x vs typical
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Est. revenue
$185k–$498k after Steam's cut $337k–$767k before the cut
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AdventureHidden Object
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Est. copies
≈ 58k–95k
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CatsHidden Object
A Building Full of Cats
2022
Est. copies
≈ 111k–181k
5.6x vs typical
SteamSpy 50k–100k
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$91k–$246k after Steam's cut $166k–$378k before the cut
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CatsHidden Object
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$3k–$7k after Steam's cut $5k–$10k before the cut
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CasualHidden Object

Sizing up your own game? See what its genre can realistically do before you build it.