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How many copies did Osteoblasts sell?

Estimated copies sold
≈ 4k–7k
$9k–$25k after Steam's cut $17k–$39k before the cut
from 174 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 Osteoblasts out and predicted the genre from its 8 similar games. Every figure here, including Osteoblasts's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 1.3M–1.6M
best case 9.2M (Divinity: Original Sin 2 - Definitive Edition)
The Turn-Based Combat genre

All 8 of your similar games are hits. A big, proven genre for a game like yours.

A hit here: 1,000+ reviews, roughly $150k+ before Steam's cut (a standard indie benchmark).

A typical game
≈ 1.3M–1.6M copies
≈ $8.9M–$20.8M after Steam's cut
from ~33k reviews
Best case
≈ 7.0M–11.4M copies
Divinity: Original Sin 2 - Definitive Edition · ≈ $87.0M–$233.9M after Steam's cut
A breakout hit, far above a typical game.
The genre you'd be entering
Your set
Your set clusters on Turn-Based Combat (4 of 8) and Story Rich (3 of 8).
The winners
Winners here lead with Tactical RPG + Turn-Based Strategy, priced around $45. The breakout hits carry Tactical RPG + CRPG + Exploration; a typical game here doesn't.
The era
The games you compared span 2012 to 2023, a genre with a long track record.

Copies and revenue are rough lifetime estimates from the review count.

Similar games

Against the Storm
2023
Est. copies
≈ 884k–1.4M
SteamSpy 500k–1M
Est. revenue
$7.3M–$19.6M after Steam's cut $13.3M–$30.2M before the cut
$29.99
37k reviews
Very Positive
StrategyCity Builder
Divinity: Original Sin 2 - Definitive Edition
2017
Est. copies
≈ 7.0M–11.4M
6.3x vs typical
SteamSpy 5M–10M
Est. revenue
$87.0M–$233.9M after Steam's cut $158.2M–$359.9M before the cut
$44.99
204k reviews
Overwhelmingly Positive
Tactical RPGRPG
Warhammer 40,000: Rogue Trader
2023
Est. copies
≈ 1.1M–1.8M
SteamSpy 10M–20M
Est. revenue
$15.3M–$41.2M after Steam's cut $27.8M–$63.3M before the cut
$49.99
46k reviews
Very Positive
Character CustomizationCinematic
Fallout: A Post Nuclear Role Playing Game
2015
Est. copies
≈ 1.2M–1.9M
SteamSpy 2M–5M
Est. revenue
$3.2M–$8.5M after Steam's cut $5.8M–$13.1M before the cut
$9.99
25k reviews
Very Positive
RPGPost-apocalyptic
Mutant Year Zero: Road to Eden
2018
Est. copies
≈ 623k–1.0M
SteamSpy 500k–1M
Est. revenue
$6.0M–$16.1M after Steam's cut $10.9M–$24.8M before the cut
$34.99
21k reviews
Very Positive
StrategyRPG
Pathfinder: Wrath of the Righteous - Enhanced Edition
2021
Est. copies
≈ 1.1M–1.8M
SteamSpy 2M–5M
Est. revenue
$5.9M–$15.9M after Steam's cut $10.8M–$24.5M before the cut
$19.99
43k reviews
Very Positive
SingleplayerAction RPG
STAR WARS™ Knights of the Old Republic™ II - The Sith Lords™
2012
Est. copies
≈ 1.3M–2.2M
SteamSpy 1M–2M
Est. revenue
$3.7M–$9.9M after Steam's cut $6.7M–$15.3M before the cut
$9.99
26k reviews
Very Positive
Divinity: Original Sin - Enhanced Edition
2015
Est. copies
≈ 1.5M–2.5M
SteamSpy 1M–2M
Est. revenue
$16.7M–$44.8M after Steam's cut $30.3M–$68.9M before the cut
$39.99
33k reviews
Very Positive
RPGTurn-Based

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