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How many copies did Insomnis sell?

Estimated copies sold
≈ 7k–11k
$28k–$75k after Steam's cut $51k–$116k before the cut
from 274 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 Insomnis out and predicted the genre from its 5 similar games. Every figure here, including Insomnis's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 1.6M–1.7M
best case 4.6M (Poppy Playtime)
Games like Insomnis

The middle of these games

≈ 1.6M–1.7M copies

≈ $5.3M–$26.2M after Steam's cut

from ~50k reviews

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

All 5 of your similar games are hits.

Best case: Poppy Playtime at ≈ 3.5M–5.7M copies. A breakout hit, far above a typical game.

What it took to get here
About half the games that made it here had over 6k reviews in their first month; the spread ran 418 to 18k.
The genre you'd be entering
Your set
Your set clusters on Horror (5 of 5) and Psychological Horror (3 of 5).
The winners
Winners here lead with Horror + Puzzle. The breakout hits carry Free to Play + First-Person + Dark; a typical game here doesn't.
The era
None of the games you compared shipped in the last two years; the newest is from 2023. 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 that falls with release age, from about 31 for the most recent game here to about 36 for the oldest, then widened into a range; revenue rides on that estimate times price. Source: GameDiscoverCo (2020) and VG Insights (2021).

Similar games

Poppy Playtime
2021
Est. copies
≈ 3.5M–5.7M
2.8x vs typical
SteamSpy 5M–10M
Est. revenue
Free
Free
142k reviews
Very Positive
HorrorFree to Play
Pacify
2019
Est. copies
≈ 1.2M–2.0M
SteamSpy 2M–5M
Est. revenue
$1.7M–$4.5M after Steam's cut $3.1M–$7.0M before the cut
$4.99
43k reviews
Very Positive
HorrorOnline Co-Op
Little Nightmares II
2021
Est. copies
≈ 1.4M–2.4M
SteamSpy 1M–2M
Est. revenue
$11.9M–$32.1M after Steam's cut $21.7M–$49.4M before the cut
$29.99
58k reviews
Very Positive
HorrorAdventure
Atomic Heart
2023
Est. copies
≈ 1.3M–2.1M
SteamSpy 1M–2M
Est. revenue
$21.0M–$56.3M after Steam's cut $38.1M–$86.7M before the cut
$59.99
51k reviews
Very Positive
Sexual ContentFPS
Backrooms: Escape Together
2022
Est. copies
≈ 1.2M–1.9M
SteamSpy 500k–1M
Est. revenue
$3.3M–$8.8M after Steam's cut $6.0M–$13.6M before the cut
$9.99
48k reviews
Very Positive
MultiplayerHorror

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