How much revenue did OMORI make?

$12.1M–$32.6M after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did OMORI sell?

Q: How many copies did OMORI sell?

2.2M to 3.6M copies, based on its 89k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 2.2M–3.6M; $12.1M–$32.6M after Steam's cut $22.0M–$50.1M before Steam's cut; from 89k reviews (Overwhelmingly 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 OMORI and predicted how it would do from its 8 similar games. Every figure here, including OMORI's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 1.4M–4.2M

best case 22.0M (Undertale)

Games like OMORI

A typical game among these

≈ 1.4M–4.2M copies

≈ $9.4M–$29.9M after Steam's cut

from ~56k 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.

No genre covers most of these similar games. The closest is Horror (2 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: Undertale at ≈ 16.8M–27.2M copies, ≈ $46.0M–$123.8M after Steam's cut.

The genre you'd be entering

These games: The similar games share Horror (2 of 8) and Multiple Endings (2 of 8).
The winners: Winners here lead with Story Rich + Choices Matter, priced around $10.
When they shipped: The similar games span 2015 to 2022, 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 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
Undertale 2015	Est. copies ≈ 16.8M–27.2M 6.1x vs typical SteamSpy 5M–10M	Est. revenue $46.0M–$123.8M after Steam's cut $83.7M–$190.4M before Steam's cut	$9.99	343k reviews Overwhelmingly Positive	Great SoundtrackStory Rich
Freddy Fazbear's Pizzeria Simulator 2017	Est. copies ≈ 1.1M–1.9M SteamSpy 2M–5M	Est. revenue Free	Free	33k reviews Very Positive	Free to PlayHorror
UNO 2017	Est. copies ≈ 1.9M–3.0M SteamSpy 2M–5M	Est. revenue $5.1M–$13.8M after Steam's cut $9.3M–$21.2M before Steam's cut	$9.99	54k reviews Mostly Positive	Card GameMultiplayer
Milk inside a bag of milk inside a bag of milk 2020	Est. copies ≈ 853k–1.4M SteamSpy 500k–1M	Est. revenue $349k–$939k after Steam's cut $635k–$1.4M before Steam's cut	$1.49	34k reviews Overwhelmingly Positive	Visual Novel Psychological Horror
Call of Duty®: Black Ops III 2015	Est. copies ≈ 309k–501k SteamSpy under 20k	Est. revenue $5.1M–$13.7M after Steam's cut $9.3M–$21.1M before Steam's cut	$59.99	6k reviews Mostly Negative	MultiplayerFPS
Celeste 2018	Est. copies ≈ 4.5M–7.4M 2.6x 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
OneShot 2016	Est. copies ≈ 2.7M–4.4M SteamSpy 1M–2M	Est. revenue $7.5M–$20.1M after Steam's cut $13.6M–$30.9M before Steam's cut	$9.99	65k reviews Overwhelmingly Positive	Story RichPixel Graphics
NEEDY STREAMER OVERLOAD 2022	Est. copies ≈ 1.4M–2.4M SteamSpy 1M–2M	Est. revenue $6.4M–$17.1M after Steam's cut $11.6M–$26.3M before Steam's cut	$15.99	58k reviews Very Positive	Psychological HorrorAnime