How much revenue did 9th Sentinel Sisters make?

$15k–$41k after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did 9th Sentinel Sisters sell?

Q: How many copies did 9th Sentinel Sisters sell?

7k to 11k copies, based on its 283 Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 7k–11k; $15k–$41k after Steam's cut $28k–$64k before Steam's cut; from 283 reviews (Mixed)

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 9th Sentinel Sisters and predicted how it would do from its 8 similar games. Every figure here, including 9th Sentinel Sisters's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 3.8M–5.8M

best case 29.7M (Don't Starve Together)

Games like 9th Sentinel Sisters

A typical game among these

≈ 3.8M–5.8M copies

≈ $21.5M–$48.4M after Steam's cut

from ~141k 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 8 of the similar games are hits.

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

Best case: Don't Starve Together at ≈ 22.6M–36.8M copies, ≈ $93.2M–$250.7M 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 53k reviews in their first month; the range was 42k to 129k.

The genre you'd be entering

These games: The similar games share Action Roguelike (5 of 8) and Rogue-like (5 of 8).
The winners: Winners here lead with Third-Person Shooter + Action Roguelike, priced around $20. The breakout hits carry Action; a typical game here doesn't.
When they shipped: The similar games span 2016 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 52 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
Gunfire Reborn 2021	Est. copies ≈ 2.6M–4.2M SteamSpy 2M–5M	Est. revenue $14.2M–$38.1M after Steam's cut $25.7M–$58.5M before Steam's cut	$19.99	104k reviews Very Positive	Rogue-lite FPS
Dead Cells 2018	Est. copies ≈ 5.6M–9.1M SteamSpy 5M–10M	Est. revenue $38.4M–$103.2M after Steam's cut $69.8M–$158.8M before Steam's cut	$24.99	184k reviews Overwhelmingly Positive	AdventureAction Roguelike
Brotato 2023	Est. copies ≈ 3.0M–4.8M SteamSpy 2M–5M	Est. revenue $4.1M–$10.9M after Steam's cut $7.4M–$16.8M before Steam's cut	$4.99	119k reviews Overwhelmingly Positive	Rogue-likeSingleplayer
DAVE THE DIVER 2023	Est. copies ≈ 4.0M–6.6M SteamSpy 5M–10M	Est. revenue $22.2M–$59.8M after Steam's cut $40.4M–$91.9M before Steam's cut	$19.99	163k reviews Overwhelmingly Positive	Pixel GraphicsCasual
Risk of Rain 2 2020	Est. copies ≈ 8.8M–14.2M 2.5x vs typical SteamSpy 5M–10M	Est. revenue $60.2M–$161.9M after Steam's cut $109.5M–$249.0M before Steam's cut	$24.99	353k reviews Very Positive	Third-Person ShooterAction Roguelike
Don't Starve Together 2016	Est. copies ≈ 22.6M–36.8M 3.9x vs typical SteamSpy 10M–20M	Est. revenue $93.2M–$250.7M after Steam's cut $169.5M–$385.7M before Steam's cut	$14.99	544k reviews Very Positive	SurvivalOpen World Survival Craft
Vampire Survivors 2022	Est. copies ≈ 6.6M–10.7M 1.9x vs typical SteamSpy 5M–10M	Est. revenue $9.1M–$24.4M after Steam's cut $16.5M–$37.5M before Steam's cut	$4.99	267k reviews Overwhelmingly Positive	Action RoguelikeBullet Hell
Hades 2020	Est. copies ≈ 7.7M–12.5M 2.2x vs typical SteamSpy 5M–10M	Est. revenue $52.9M–$142.2M after Steam's cut $96.1M–$218.7M before Steam's cut	$24.99	310k reviews Overwhelmingly Positive	Action RoguelikeRogue-lite