How much revenue did Nine Sols make?

$9.4M–$25.2M after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Nine Sols sell?

Q: How many copies did Nine Sols sell?

1.1M to 1.8M copies, based on its 46k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 1.1M–1.8M; $9.4M–$25.2M after Steam's cut $17.0M–$38.8M before Steam's cut; from 46k 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 Sols and predicted how it would do from its 3 similar games. Every figure here, including Nine Sols's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 2.7M–14.2M

best case 25.6M (Hollow Knight)

Games like Nine Sols

A typical game among these

≈ 2.7M–14.2M copies

≈ $55.5M–$112.1M after Steam's cut

from ~87k 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 3 of the similar games are hits.

This comes from a small set of games, so take it as a sketch.

Best case: Hollow Knight at ≈ 19.5M–31.6M copies, ≈ $80.3M–$215.8M after Steam's cut.

The genre you'd be entering

These games: The similar games share Souls-like (3 of 3) and Metroidvania (2 of 3).
The winners: Winners here lead with Metroidvania + Souls-like, priced around $15.
When they shipped: The similar games span 2017 to 2023, and none of them 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 43 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
Blasphemous 2019	Est. copies ≈ 2.0M–3.2M SteamSpy 1M–2M	Est. revenue $18.8M–$50.7M after Steam's cut $34.3M–$78.0M before Steam's cut	$34.99	68k reviews Very Positive	MetroidvaniaPixel Graphics
STAR WARS Jedi: Survivor™ 2023	Est. copies ≈ 2.1M–3.5M SteamSpy 1M–2M	Est. revenue $41.3M–$111.2M after Steam's cut $75.2M–$171.0M before Steam's cut	$69.99	87k reviews Mostly Positive	ActionAdventure
Hollow Knight 2017	Est. copies ≈ 19.5M–31.6M 6.5x vs typical SteamSpy 5M–10M	Est. revenue $80.3M–$215.8M after Steam's cut $145.9M–$332.0M before Steam's cut	$14.99	566k reviews Overwhelmingly Positive	Metroidvania Souls-like