How much revenue did My Big Sister make?

$34k–$92k after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did My Big Sister sell?

Q: How many copies did My Big Sister sell?

21k to 34k copies, based on its 683 Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 21k–34k; $34k–$92k after Steam's cut $62k–$141k before the cut; from 683 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 My Big Sister out and predicted the genre from its 8 similar games. Every figure here, including My Big Sister's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 1.3M–1.9M

best case 4.6M (MiSide)

Games like My Big Sister

The middle of these games

≈ 1.3M–1.9M copies

≈ $7.4M–$23.2M after Steam's cut

from ~31k 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.

Best case: MiSide at ≈ 3.5M–5.7M copies, ≈ $14.5M–$39.0M after Steam's cut.

What it took to get here

About half the games that made it here had over 24k reviews in their first month; the spread ran 693 to 64k.

The genre you'd be entering

Your set: Your set clusters on Horror (8 of 8) and Psychological Horror (8 of 8).
The winners: Winners here lead with Psychological Horror + Story Rich, priced around $15.
The era: 4 of your 8 similar games shipped in the last two years, so this niche is actively shipping.

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 61 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
The Evil Within 2 2017	Est. copies ≈ 1.1M–1.7M SteamSpy 1M–2M	Est. revenue $11.7M–$31.5M after Steam's cut $21.3M–$48.4M before the cut	$39.99	31k reviews Very Positive	Horror Survival Horror
Fran Bow 2015	Est. copies ≈ 1.1M–1.8M SteamSpy 1M–2M	Est. revenue $4.6M–$12.4M after Steam's cut $8.4M–$19.1M before the cut	$14.99	23k reviews Overwhelmingly Positive	Psychological Horror Story Rich
MiSide 2024	Est. copies ≈ 3.5M–5.7M 4.6x vs typical SteamSpy 1M–2M	Est. revenue $14.5M–$39.0M after Steam's cut $26.3M–$59.9M before the cut	$14.99	142k reviews Overwhelmingly Positive	Psychological HorrorCute
Tiny Bunny 2025	Est. copies ≈ 756k–1.2M SteamSpy 500k–1M	Est. revenue $2.3M–$6.1M after Steam's cut $4.2M–$9.5M before the cut	$10.99	31k reviews Very Positive	Visual Novel Horror
Little Nightmares II 2021	Est. copies ≈ 1.4M–2.4M 1.9x vs typical SteamSpy 1M–2M	Est. revenue $11.9M–$32.1M after Steam's cut $21.7M–$49.4M before the cut	$29.99	58k reviews Very Positive	HorrorAdventure
KinitoPET 2024	Est. copies ≈ 365k–593k SteamSpy 200k–500k	Est. revenue $601k–$1.6M after Steam's cut $1.1M–$2.5M before the cut	$5.99	15k reviews Very Positive	Psychological Horror Horror
SILENT HILL 2 2024	Est. copies ≈ 1.6M–2.6M 2.1x vs typical SteamSpy 500k–1M	Est. revenue $30.6M–$82.4M after Steam's cut $55.7M–$126.7M before the cut	$69.99	64k reviews Very Positive	Psychological Horror Horror
Layers of Fear (2016) 2016	Est. copies ≈ 1.2M–1.9M SteamSpy 2M–5M	Est. revenue $6.3M–$17.0M after Steam's cut $11.5M–$26.2M before the cut	$19.99	28k reviews Very Positive	Horror Psychological Horror