How much revenue did Nine-Ball Roulette make?

$66k–$177k after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Nine-Ball Roulette sell?

Q: How many copies did Nine-Ball Roulette sell?

60k to 98k copies, based on its 2k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 60k–98k; $66k–$177k after Steam's cut $120k–$273k before Steam's cut; from 2k 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 Nine-Ball Roulette and predicted how it would do from its 8 similar games. Every figure here, including Nine-Ball Roulette's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 9.5M–12.9M

best case 27.4M (Phasmophobia)

Games like Nine-Ball Roulette

A typical game among these

≈ 9.5M–12.9M copies

≈ $109.4M–$177.6M after Steam's cut

from ~279k reviews

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

7 of the 8 similar games are hits.

No genre covers most of these similar games. The closest is Horror (3 of 8), so its genre is hard to place.

Of the 416 indie games that passed 1,000 reviews in 2022, 11.8% were novel genre mixes and 88.2% stuck to an established genre. Published indie market research.

Best case: Phasmophobia at ≈ 20.9M–33.9M copies, ≈ $114.8M–$308.5M after Steam's cut.

What their first month looked like

About half the games that made it here had over 40k reviews in their first month; the range was 157 to 40k.

The genre you'd be entering

These games: The similar games share Horror (3 of 8) and Psychological Horror (3 of 8).
The winners: Winners here lead with Horror + Psychological Horror, priced around $20.
When they shipped: The similar games span 2013 to 2024, 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 79 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
Outlast 2013	Est. copies ≈ 8.8M–14.4M SteamSpy 2M–5M	Est. revenue $36.4M–$98.0M after Steam's cut $66.3M–$150.7M before Steam's cut	$14.99	140k reviews Overwhelmingly Positive	HorrorFirst-Person
Sekiro™: Shadows Die Twice - GOTY Edition 2019	Est. copies ≈ 10.3M–16.7M SteamSpy 10M–20M	Est. revenue $169.4M–$455.5M after Steam's cut $308.0M–$700.8M before Steam's cut	$59.99	357k reviews Overwhelmingly Positive	Souls-likeDifficult
Phasmophobia 2020	Est. copies ≈ 20.9M–33.9M 3.0x vs typical SteamSpy 10M–20M	Est. revenue $114.8M–$308.5M after Steam's cut $208.6M–$474.7M before Steam's cut	$19.99	842k reviews Very Positive	HorrorOnline Co-Op
Resident Evil 2 2019	Est. copies ≈ 6.5M–10.5M SteamSpy 5M–10M	Est. revenue $70.9M–$190.7M after Steam's cut $129.0M–$293.4M before Steam's cut	$39.99	224k reviews Overwhelmingly Positive	ZombiesSurvival Horror
Hunt: Showdown 1896 2019	Est. copies ≈ 8.0M–13.1M SteamSpy 10M–20M	Est. revenue $66.3M–$178.3M after Steam's cut $120.6M–$274.4M before Steam's cut	$29.99	279k reviews Mostly Positive	Open WorldExtraction Shooter
Liminalcore 2024	Est. copies ≈ 19k–31k too small to compare SteamSpy under 20k	Est. revenue $41k–$111k after Steam's cut $75k–$172k before Steam's cut	$7.99	761 reviews Very Positive	Walking Simulator Psychological Horror
DARK SOULS™: REMASTERED 2018	Est. copies ≈ 4.8M–7.7M SteamSpy 2M–5M	Est. revenue $52.3M–$140.6M after Steam's cut $95.1M–$216.3M before Steam's cut	$39.99	156k reviews Very Positive	Souls-likeDark Fantasy
Deep Rock Galactic 2020	Est. copies ≈ 9.4M–15.3M SteamSpy 5M–10M	Est. revenue $77.8M–$209.2M after Steam's cut $141.5M–$321.9M before Steam's cut	$29.99	380k reviews Overwhelmingly Positive	DwarfCo-op