How much revenue did Monster Sanctuary make?

$1.7M–$4.7M after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Monster Sanctuary sell?

Q: How many copies did Monster Sanctuary sell?

315k to 512k copies, based on its 13k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 315k–512k; $1.7M–$4.7M after Steam's cut $3.1M–$7.2M before Steam's cut; from 13k 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 Monster Sanctuary and predicted how it would do from its 8 similar games. Every figure here, including Monster Sanctuary's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 2.2M–4.4M

best case 7.3M (Dead Cells)

Games like Monster Sanctuary

A typical game among these

≈ 2.2M–4.4M copies

≈ $15.6M–$40.4M after Steam's cut

from ~68k 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 2D Platformer (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: Dead Cells at ≈ 5.6M–9.1M copies, ≈ $38.4M–$103.2M after Steam's cut.

What their first month looked like

About half the games that made it here had over 11k reviews in their first month; the range was 79 to 15k.

The genre you'd be entering

These games: The similar games share 2D Platformer (3 of 8) and Platformer (3 of 8).
The winners: Winners here lead with Action Roguelike + Metroidvania, priced around $25.
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
Skul: The Hero Slayer 2021	Est. copies ≈ 1.4M–2.3M SteamSpy 1M–2M	Est. revenue $7.9M–$21.2M after Steam's cut $14.3M–$32.6M before Steam's cut	$19.99	58k reviews Very Positive	IndieAction
Celeste 2018	Est. copies ≈ 4.5M–7.4M 2.2x vs typical SteamSpy 2M–5M	Est. revenue $24.9M–$67.0M after Steam's cut $45.3M–$103.1M before Steam's cut	$19.99	149k reviews Overwhelmingly Positive	Precision PlatformerDifficult
Dead Cells 2018	Est. copies ≈ 5.6M–9.1M 2.7x vs typical 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
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
Katana ZERO 2019	Est. copies ≈ 2.2M–3.6M SteamSpy 2M–5M	Est. revenue $9.0M–$24.3M after Steam's cut $16.4M–$37.4M before Steam's cut	$14.99	76k reviews Overwhelmingly Positive	Pixel GraphicsAction
Rain World 2017	Est. copies ≈ 2.0M–3.2M SteamSpy 1M–2M	Est. revenue $13.6M–$36.7M after Steam's cut $24.8M–$56.4M before Steam's cut	$24.99	58k reviews Very Positive	DifficultAtmospheric
SANABI 2023	Est. copies ≈ 1.1M–1.8M SteamSpy 500k–1M	Est. revenue $4.6M–$12.4M after Steam's cut $8.4M–$19.1M before Steam's cut	$14.99	45k reviews Overwhelmingly Positive	Pixel GraphicsStory Rich
Dino Hazard: Chronos Blackout 2023	Est. copies ≈ 3k–5k too small to compare SteamSpy under 20k	Est. revenue $19k–$51k after Steam's cut $35k–$79k before Steam's cut	$24.99	112 reviews Very Positive	Story RichEmotional