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How many copies did Krakatoa sell?

Estimated copies sold
≈ 2k
$419–$1k after Steam's cut $761–$2k before the cut
from 62 reviews (Mixed)

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

Copies, estimated from reviews

typical (middle half) 220k–1.9M
best case 8.9M (Resident Evil 4)
Games like Krakatoa

The middle of these games

≈ 220k–1.9M copies

≈ $2.5M–$45.1M after Steam's cut

from ~25k reviews

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

All 8 of your similar games are hits.

Best case: Resident Evil 4 at ≈ 6.8M–11.1M copies, ≈ $74.9M–$201.3M after Steam's cut.

What it took to get here
About half the games that made it here had over 15k reviews in their first month; the spread ran 427 to 68k.
The genre you'd be entering
Your set
Your set clusters on Horror (7 of 8) and Survival Horror (6 of 8).
The winners
Winners here lead with Horror + Survival Horror, priced around $40.
The era
The games you compared span 2019 to 2025, and 1 of your 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 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

Resident Evil 4
2023
Est. copies
≈ 6.8M–11.1M
11x vs typical
SteamSpy 5M–10M
Est. revenue
$74.9M–$201.3M after Steam's cut $136.1M–$309.7M before the cut
$39.99
275k reviews
Overwhelmingly Positive
HorrorAction
Bramble: The Mountain King
2023
Est. copies
≈ 194k–315k
SteamSpy 200k–500k
Est. revenue
$1.6M–$4.3M after Steam's cut $2.9M–$6.6M before the cut
$29.99
8k reviews
Very Positive
HorrorAdventure
Ghost Watchers
2025
Est. copies
≈ 404k–656k
SteamSpy 500k–1M
Est. revenue
$1.7M–$4.5M after Steam's cut $3.0M–$6.9M before the cut
$14.99
16k reviews
Very Positive
SIGNALIS
2022
Est. copies
≈ 847k–1.4M
SteamSpy 1M–2M
Est. revenue
$4.7M–$12.5M after Steam's cut $8.5M–$19.3M before the cut
$19.99
34k reviews
Overwhelmingly Positive
The Last of Us™ Part I
2023
Est. copies
≈ 2.7M–4.4M
4.3x vs typical
SteamSpy 1M–2M
Est. revenue
$44.3M–$119.2M after Steam's cut $80.6M–$183.3M before the cut
$59.99
108k reviews
Very Positive
Story RichPost-apocalyptic
The Callisto Protocol™
2022
Est. copies
≈ 1.1M–1.8M
1.7x vs typical
SteamSpy 1M–2M
Est. revenue
$17.8M–$48.0M after Steam's cut $32.4M–$73.8M before the cut
$59.99
44k reviews
Mixed
HorrorSci-fi
SONG OF HORROR COMPLETE EDITION
2019
Est. copies
≈ 89k–144k
SteamSpy 200k–500k
Est. revenue
$732k–$2.0M after Steam's cut $1.3M–$3.0M before the cut
$29.99
3k reviews
Mostly Positive
El Paso, Elsewhere
2023
Est. copies
≈ 36k–59k
SteamSpy 20k–50k
Est. revenue
$200k–$538k after Steam's cut $364k–$828k before the cut
$19.99
1k reviews
Very Positive
Bullet TimeThird-Person Shooter

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