How much revenue did Monster Sanctuary make?

$2.6M–$6.9M 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?

313k to 509k copies, based on its 13k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 313k–509k; $2.6M–$6.9M after Steam's cut $4.7M–$10.7M before the cut; from 13k reviews (Very Positive)

A labeled estimate from the public review count (adjusted for release year), not exact sales. Owner data cross-checked with SteamSpy.

Does this actually work?

We left Monster Sanctuary out and predicted the genre from its 8 similar games. Every figure here, including Monster Sanctuary's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 2.2M–4.4M

best case 7.3M (Dead Cells)

Games like Monster Sanctuary

The middle of these games

≈ 2.2M–4.4M copies

≈ $15.6M–$34.9M after Steam's cut

from ~67k reviews

Only the top fifth of 2019’s Steam releases earned about $34k gross, so plan for that or less.

7 of your 8 similar games are hits.

No genre covers most of your similar games. The closest is 2D Platformer (3 of 8), so the genre you lead with is still undecided.

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–9.0M copies, ≈ $38.2M–$102.8M after Steam's cut.

What it took to get here

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

The genre you'd be entering

Your set: Your set clusters on 2D Platformer (3 of 8) and Platformer (3 of 8).
The winners: Winners here lead with Action Roguelike + Metroidvania, priced around $25.
The era: The games you compared 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 $7.8M–$21.1M after Steam's cut $14.3M–$32.5M before the cut	$19.99	58k reviews Very Positive	IndieAction
Celeste 2018	Est. copies ≈ 4.4M–7.2M 2.2x vs typical SteamSpy 2M–5M	Est. revenue $24.5M–$65.8M after Steam's cut $44.5M–$101.2M before the cut	$19.99	146k reviews Overwhelmingly Positive	Precision PlatformerDifficult
Dead Cells 2018	Est. copies ≈ 5.6M–9.0M 2.7x vs typical SteamSpy 5M–10M	Est. revenue $38.2M–$102.8M after Steam's cut $69.5M–$158.2M before the cut	$24.99	183k reviews Overwhelmingly Positive	AdventureAction Roguelike
Blasphemous 2019	Est. copies ≈ 1.9M–3.1M SteamSpy 1M–2M	Est. revenue $13.2M–$35.6M after Steam's cut $24.1M–$54.7M before the cut	$24.99	67k reviews Very Positive	MetroidvaniaPixel Graphics
Katana ZERO 2019	Est. copies ≈ 2.2M–3.6M SteamSpy 2M–5M	Est. revenue $9.0M–$24.2M after Steam's cut $16.4M–$37.3M before the cut	$14.99	76k reviews Overwhelmingly Positive	Pixel GraphicsAction
Rain World 2017	Est. copies ≈ 1.9M–3.2M SteamSpy 1M–2M	Est. revenue $13.4M–$36.0M after Steam's cut $24.3M–$55.4M before the cut	$24.99	57k reviews Very Positive	DifficultAtmospheric
SANABI 2023	Est. copies ≈ 1.1M–1.8M SteamSpy 500k–1M	Est. revenue $4.6M–$12.3M after Steam's cut $8.3M–$19.0M before the cut	$14.99	45k reviews Overwhelmingly Positive	Pixel GraphicsStory Rich
Dino Hazard: Chronos Blackout 2023	Est. copies ≈ 3k–4k too small to compare SteamSpy under 20k	Est. revenue $19k–$51k after Steam's cut $34k–$78k before the cut	$24.99	111 reviews Very Positive	Story RichEmotional