How much revenue did Mary Skelter: Nightmares make?

$124k–$333k after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Mary Skelter: Nightmares sell?

Q: How many copies did Mary Skelter: Nightmares sell?

18k to 29k copies, based on its 592 Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 18k–29k; $124k–$333k after Steam's cut $225k–$512k before the cut; from 592 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 Mary Skelter: Nightmares out and predicted the genre from its 8 similar games. Every figure here, including Mary Skelter: Nightmares's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 162k–265k

best case 445k (Ni no Kuni™ II: Revenant Kingdom)

Games like Mary Skelter: Nightmares

The middle of these games

≈ 162k–265k copies

≈ $1.3M–$1.7M after Steam's cut

from ~3k reviews

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

All 8 of your similar games are hits.

Your picks lean toward this genre's biggest survivors; the typical figure reads from its ordinary successes.

Best case: Ni no Kuni™ II: Revenant Kingdom at ≈ 339k–551k copies, ≈ $5.6M–$15.0M after Steam's cut. A breakout hit, far above a typical game.

The genre you'd be entering

Your set: Your set clusters on Anime (8 of 8) and JRPG (7 of 8).
The winners: Winners here lead with Anime, priced around $40. The breakout hits carry Singleplayer; a typical game here doesn't.
The era: The games you compared span 2010 to 2018, 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 38 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
Ni no Kuni™ II: Revenant Kingdom 2018	Est. copies ≈ 339k–551k 4.0x vs typical SteamSpy 500k–1M	Est. revenue $5.6M–$15.0M after Steam's cut $10.2M–$23.1M before the cut	$59.99	11k reviews Very Positive	RPGJRPG
Ys Origin 2012	Est. copies ≈ 230k–374k SteamSpy 200k–500k	Est. revenue $1.3M–$3.4M after Steam's cut $2.3M–$5.2M before the cut	$19.99	4k reviews Very Positive	RPGJRPG
Recettear: An Item Shop's Tale 2010	Est. copies ≈ 475k–771k 2.7x vs typical SteamSpy 500k–1M	Est. revenue $2.6M–$7.0M after Steam's cut $4.7M–$10.8M before the cut	$19.99	8k reviews Overwhelmingly Positive	CapitalismAnime
Ys I & II Chronicles+ 2013	Est. copies ≈ 193k–314k SteamSpy 200k–500k	Est. revenue $795k–$2.1M after Steam's cut $1.4M–$3.3M before the cut	$14.99	3k reviews Very Positive	JRPGAction
Aura Kingdom 2014	Est. copies ≈ 476k–773k 3.0x vs typical SteamSpy 2M–5M	Est. revenue Free	Free	8k reviews Mostly Positive	AnimeFree to Play
The Legend of Heroes: Trails in the Sky the 3rd 2017	Est. copies ≈ 88k–144k SteamSpy 100k–200k	Est. revenue $729k–$2.0M after Steam's cut $1.3M–$3.0M before the cut	$29.99	3k reviews Very Positive	RPGJRPG
Ys: The Oath in Felghana 2012	Est. copies ≈ 135k–219k SteamSpy 100k–200k	Est. revenue $555k–$1.5M after Steam's cut $1.0M–$2.3M before the cut	$14.99	2k reviews Very Positive	ActionGreat Soundtrack
The Legend of Heroes: Trails of Cold Steel 2017	Est. copies ≈ 203k–330k 2.1x vs typical SteamSpy 200k–500k	Est. revenue $2.2M–$6.0M after Steam's cut $4.1M–$9.2M before the cut	$39.99	6k reviews Very Positive	JRPGAnime