How much revenue did Krakatoa make?

$419–$1k after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Krakatoa sell?

Q: How many copies did Krakatoa sell?

2k copies, based on its 62 Steam reviews. This is a labeled estimate from the review count, not exact sales.

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

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

Copies, estimated from reviews

typical (middle half) 224k–2.0M

best case 9.1M (Resident Evil 4)

Games like Krakatoa

A typical game among these

≈ 224k–2.0M copies

≈ $2.6M–$45.6M after Steam's cut

from ~26k 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: Resident Evil 4 at ≈ 7.0M–11.3M copies, ≈ $76.4M–$205.5M after Steam's cut.

What their first month looked like

About half the games that made it here had over 15k reviews in their first month; the range was 427 to 68k.

The genre you'd be entering

These games: The similar games share Horror (7 of 8) and Survival Horror (6 of 8).
The winners: Winners here lead with Horror + Survival Horror, priced around $40.
When they shipped: The similar games span 2019 to 2025, 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 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

Game	Est. copies	Est. revenue	Price	Reviews	Tags
Resident Evil 4 2023	Est. copies ≈ 7.0M–11.3M 11x vs typical SteamSpy 5M–10M	Est. revenue $76.4M–$205.5M after Steam's cut $139.0M–$316.2M before Steam's cut	$39.99	280k reviews Overwhelmingly Positive	HorrorAction
Bramble: The Mountain King 2023	Est. copies ≈ 197k–321k SteamSpy 200k–500k	Est. revenue $1.6M–$4.4M after Steam's cut $3.0M–$6.7M before Steam's cut	$29.99	8k reviews Very Positive	HorrorAdventure
Ghost Watchers 2025	Est. copies ≈ 405k–658k SteamSpy 500k–1M	Est. revenue $1.7M–$4.5M after Steam's cut $3.0M–$6.9M before Steam's cut	$14.99	16k reviews Very Positive	Horror Co-op
SIGNALIS 2022	Est. copies ≈ 862k–1.4M SteamSpy 1M–2M	Est. revenue $4.7M–$12.7M after Steam's cut $8.6M–$19.6M before Steam's cut	$19.99	35k reviews Overwhelmingly Positive	Survival Horror Psychological Horror
The Last of Us™ Part I 2023	Est. copies ≈ 2.7M–4.4M 4.3x vs typical SteamSpy 1M–2M	Est. revenue $45.1M–$121.3M after Steam's cut $82.0M–$186.6M before Steam's cut	$59.99	110k 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 $17.9M–$48.1M after Steam's cut $32.5M–$74.0M before Steam's cut	$59.99	44k reviews Mixed	HorrorSci-fi
SONG OF HORROR COMPLETE EDITION 2019	Est. copies ≈ 89k–145k SteamSpy 200k–500k	Est. revenue $734k–$2.0M after Steam's cut $1.3M–$3.0M before Steam's cut	$29.99	3k reviews Mostly Positive	Survival HorrorDark
El Paso, Elsewhere 2023	Est. copies ≈ 37k–60k SteamSpy 20k–50k	Est. revenue $203k–$545k after Steam's cut $368k–$838k before Steam's cut	$19.99	1k reviews Very Positive	Bullet TimeThird-Person Shooter