How much revenue did Museum No.9 make?

$18k–$49k after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Museum No.9 sell?

Q: How many copies did Museum No.9 sell?

7k to 11k copies, based on its 269 Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 7k–11k; $18k–$49k after Steam's cut $33k–$76k before Steam's cut; from 269 reviews (Mostly 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 Museum No.9 and predicted how it would do from its 8 similar games. Every figure here, including Museum No.9's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 7k–10k

best case 43k (沉默的蟋蟀)

Games like Museum No.9

A typical game among these

≈ 7k–10k copies

≈ $13k–$41k after Steam's cut

from ~238 reviews

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

2 of the 8 similar games are hits.

These similar games lean toward the genre's biggest winners; the typical figure comes from its ordinary successes.

Best case: 沉默的蟋蟀 at ≈ 33k–53k copies, ≈ $134k–$360k after Steam's cut. It is a breakout hit, far above a typical game.

What their first month looked like

About half the games that made it here had over 238 reviews in their first month; the range was 45 to 609.

The genre you'd be entering

These games: The similar games share Simulation (6 of 8) and Life Sim (4 of 8).
The winners: Winners here lead with Creature Collector + Rogue-lite, priced around $6.
When they shipped: The similar games span 2015 to 2025, and 2 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 61 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
Citizen of Rome - Dynasty Ascendant 2019	Est. copies ≈ 7k–11k SteamSpy 50k–100k	Est. revenue $19k–$51k after Steam's cut $35k–$79k before Steam's cut	$9.99	241 reviews Very Positive	RomeLife Sim
沉默的蟋蟀 2023	Est. copies ≈ 33k–53k 5.5x vs typical SteamSpy 50k–100k	Est. revenue $134k–$360k after Steam's cut $244k–$554k before Steam's cut	$14.99	1k reviews Very Positive	Creature CollectorRogue-lite
Dungeon Dreams 2 2024	Est. copies ≈ 6k–9k SteamSpy under 20k	Est. revenue $32k–$86k after Steam's cut $58k–$132k before Steam's cut	$19.99	234 reviews Very Positive	RPGParty-Based RPG
Domestic Dog 2015	Est. copies ≈ 24k–39k 2.1x vs typical SteamSpy under 20k	Est. revenue $33k–$88k after Steam's cut $60k–$136k before Steam's cut	$4.99	491 reviews Very Positive	DogSimulation
They Don't Sleep 2022	Est. copies ≈ 5k–9k SteamSpy under 20k	Est. revenue $4k–$12k after Steam's cut $8k–$18k before Steam's cut	$2.99	218 reviews Very Positive	Action RoguelikePixel Graphics
Mini Thief 2018	Est. copies ≈ 39k–64k 5.4x vs typical SteamSpy 100k–200k	Est. revenue $54k–$145k after Steam's cut $98k–$222k before Steam's cut	$4.99	1k reviews Mixed	IndieCasual
我的人生 2025	Est. copies ≈ 13k–21k 2.2x vs typical SteamSpy 20k–50k	Est. revenue $25k–$67k after Steam's cut $45k–$103k before Steam's cut	$6.99	524 reviews Mixed	Roguelike DeckbuilderCard Game
場外人生 2019	Est. copies ≈ 10k–16k SteamSpy under 20k	Est. revenue $8k–$21k after Steam's cut $14k–$33k before Steam's cut	$2.99	332 reviews Very Positive	CasualSimulation