How much revenue did Monstrum make?

$912k–$2.5M after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Monstrum sell?

Q: How many copies did Monstrum sell?

184k to 300k copies, based on its 4k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 184k–300k; $912k–$2.5M after Steam's cut $1.7M–$3.8M before Steam's cut; from 4k 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 Monstrum and predicted how it would do from its 8 similar games. Every figure here, including Monstrum's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 81k–147k

best case 196k (Sker Ritual)

Games like Monstrum

A typical game among these

≈ 81k–147k copies

≈ $412k–$1.2M after Steam's cut

from ~3k 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.

Best case: Sker Ritual at ≈ 149k–242k copies, ≈ $820k–$2.2M after Steam's cut.

What their first month looked like

About half the games that made it here had over 918 reviews in their first month; the range was 19 to 3k.

The genre you'd be entering

These games: The similar games share Horror (5 of 8) and FPS (4 of 8).
The winners: Winners here lead with Story Rich + Survival, 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
Boris and the Dark Survival 2020	Est. copies ≈ 92k–150k SteamSpy 200k–500k	Est. revenue Free	Free	4k reviews Very Positive	ActionAdventure
Teleglitch: Die More Edition 2013	Est. copies ≈ 187k–303k SteamSpy 500k–1M	Est. revenue $667k–$1.8M after Steam's cut $1.2M–$2.8M before Steam's cut	$12.99	3k reviews Very Positive	Action RoguelikeRogue-like
Hunger Dungeon 2016	Est. copies ≈ 94k–153k SteamSpy 200k–500k	Est. revenue Free	Free	2k reviews Mostly Positive	Free to PlayPixel Graphics
Golden Light 2022	Est. copies ≈ 99k–161k SteamSpy under 20k	Est. revenue $546k–$1.5M after Steam's cut $992k–$2.3M before Steam's cut	$19.99	4k reviews Very Positive	3DAction
Sker Ritual 2024	Est. copies ≈ 149k–242k 2.2x vs typical SteamSpy 200k–500k	Est. revenue $820k–$2.2M after Steam's cut $1.5M–$3.4M before Steam's cut	$19.99	6k reviews Very Positive	Story RichMultiplayer
Genesis Alpha One Deluxe Edition 2020	Est. copies ≈ 63k–102k SteamSpy 200k–500k	Est. revenue $344k–$924k after Steam's cut $625k–$1.4M before Steam's cut	$19.99	3k reviews Mixed	Sci-fiAction Roguelike
It Steals 2020	Est. copies ≈ 60k–97k SteamSpy 200k–500k	Est. revenue $82k–$220k after Steam's cut $149k–$339k before Steam's cut	$4.99	2k reviews Overwhelmingly Positive	Survival Horror Horror
Space Beast Terror Fright 2022	Est. copies ≈ 44k–72k SteamSpy 100k–200k	Est. revenue $183k–$493k after Steam's cut $333k–$759k before Steam's cut	$14.99	2k reviews Very Positive	Action RoguelikeAction