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How many copies did Captain Bones : A Pirate's Journey sell?

Estimated copies sold
≈ 10k–16k
$39k–$106k after Steam's cut $72k–$163k before Steam's cut
from 386 reviews (Very Positive)

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 Captain Bones : A Pirate's Journey and predicted how it would do from its 8 similar games. Every figure here, including Captain Bones : A Pirate's Journey's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 17k–1.3M
best case 12.2M (Sea of Thieves: 2026 Edition)
Games like Captain Bones : A Pirate's Journey

A typical game among these

≈ 17k–1.3M copies

≈ $24k–$21.9M after Steam's cut

from ~13k reviews

Only the top fifth of 2019's Steam releases earned $34k or more before Steam's cut, so plan for that or less.

5 of the 8 similar games are hits.

Best case: Sea of Thieves: 2026 Edition at ≈ 9.3M–15.1M copies, ≈ $101.9M–$273.9M after Steam's cut.

What their first month looked like
About half the games that made it here had over 8k reviews in their first month; the range was 20 to 19k.
The genre you'd be entering
These games
The similar games share Pirates (6 of 8) and Co-op (3 of 8).
The winners
Winners here lead with Open World + Pirates, priced around $40.
When they shipped
None of the similar games shipped in the last two years; the newest is from 2023. That says more about which games were found than about the market.
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

Sea of Thieves: 2026 Edition
2020
Est. copies
≈ 9.3M–15.1M
29x vs typical
SteamSpy 5M–10M
Est. revenue
$101.9M–$273.9M after Steam's cut $185.2M–$421.4M before Steam's cut
$39.99
374k reviews
Very Positive
MultiplayerOpen World
Girls' civilization 2
2021
Est. copies
≈ 744–1k
SteamSpy under 20k
Est. revenue
$3k–$7k after Steam's cut $5k–$11k before Steam's cut
$12.99
30 reviews
Mixed
Assassin’s Creed® IV Black Flag™
unreleased
Est. copies
≈ 1.9M–3.2M
6.1x vs typical
SteamSpy 5M–10M
Est. revenue
$21.4M–$57.7M after Steam's cut $39.0M–$88.7M before Steam's cut
$39.99
79k reviews
Very Positive
PiratesOpen World
Naval Action
2019
Est. copies
≈ 428k–695k
SteamSpy 200k–500k
Est. revenue
$2.4M–$6.3M after Steam's cut $4.3M–$9.7M before Steam's cut
$19.99
15k reviews
Mixed
SailingNaval Combat
Maritime Calling
2022
Est. copies
≈ 992–2k
SteamSpy under 20k
Est. revenue
$2k–$6k after Steam's cut $4k–$9k before Steam's cut
$7.99
40 reviews
Mixed
Action RoguelikeExploration
Blackwake
2020
Est. copies
≈ 646k–1.0M
2.0x vs typical
SteamSpy 500k–1M
Est. revenue
Free
Free
26k reviews
Very Positive
PiratesMultiplayer
Blazing Sails
2023
Est. copies
≈ 267k–433k
SteamSpy 200k–500k
Est. revenue
$1.1M–$3.0M after Steam's cut $2.0M–$4.5M before Steam's cut
$14.99
11k reviews
Very Positive
Co-opNaval Combat
Uncharted Ocean
2019
Est. copies
≈ 17k–28k
SteamSpy 50k–100k
Est. revenue
$24k–$64k after Steam's cut $43k–$98k before Steam's cut
$4.99
598 reviews
Mostly Positive
Exploration2D Platformer

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