How much revenue did Birth make?

$318k–$854k after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Birth sell?

Q: How many copies did Birth sell?

105k to 171k copies, based on its 4k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 105k–171k; $318k–$854k after Steam's cut $578k–$1.3M before Steam's cut; from 4k 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 Birth and predicted how it would do from its 8 similar games. Every figure here, including Birth's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 939k–4.9M

best case 4.8M (Inscryption)

Games like Birth

A typical game among these

≈ 939k–4.9M copies

≈ $7.2M–$25.1M after Steam's cut

from ~29k 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: Inscryption at ≈ 3.7M–6.0M copies, ≈ $20.3M–$54.6M after Steam's cut.

What their first month looked like

About half the games that made it here had over 10k reviews in their first month; the range was 3k to 20k.

The genre you'd be entering

These games: The similar games share Puzzle (7 of 8) and Dark (3 of 8).
The winners: Winners here lead with Card Battler + Card Game, priced around $20.
When they shipped: The similar games span 2011 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
Papers, Please 2013	Est. copies ≈ 5.1M–8.3M 2.7x vs typical SteamSpy 2M–5M	Est. revenue $14.0M–$37.6M after Steam's cut $25.5M–$57.9M before Steam's cut	$9.99	81k reviews Overwhelmingly Positive	IndiePolitical
ANIMAL WELL 2024	Est. copies ≈ 612k–995k SteamSpy 200k–500k	Est. revenue $4.2M–$11.3M after Steam's cut $7.6M–$17.4M before Steam's cut	$24.99	25k reviews Overwhelmingly Positive	MetroidvaniaExploration
Fran Bow 2015	Est. copies ≈ 1.1M–1.8M SteamSpy 1M–2M	Est. revenue $4.6M–$12.5M after Steam's cut $8.4M–$19.2M before Steam's cut	$14.99	23k reviews Overwhelmingly Positive	Psychological Horror Story Rich
LIMBO 2011	Est. copies ≈ 3.9M–6.4M 2.1x vs typical SteamSpy 2M–5M	Est. revenue $13.5M–$36.3M after Steam's cut $24.5M–$55.8M before Steam's cut	$12.49	62k reviews Very Positive	Puzzle-PlatformerIndie
Baba Is You 2019	Est. copies ≈ 712k–1.2M SteamSpy 1M–2M	Est. revenue $2.9M–$7.9M after Steam's cut $5.3M–$12.1M before Steam's cut	$14.99	25k reviews Overwhelmingly Positive	PuzzleIndie
Inscryption 2021	Est. copies ≈ 3.7M–6.0M 5.1x vs typical SteamSpy 2M–5M	Est. revenue $20.3M–$54.6M after Steam's cut $36.9M–$84.0M before Steam's cut	$19.99	149k reviews Overwhelmingly Positive	Card BattlerCard Game
Superliminal 2020	Est. copies ≈ 848k–1.4M SteamSpy 1M–2M	Est. revenue $4.7M–$12.5M after Steam's cut $8.5M–$19.3M before Steam's cut	$19.99	34k reviews Very Positive	PuzzleFirst-Person
Gorogoa 2017	Est. copies ≈ 717k–1.2M SteamSpy 200k–500k	Est. revenue $3.0M–$7.9M after Steam's cut $5.4M–$12.2M before Steam's cut	$14.99	21k reviews Overwhelmingly Positive	PuzzleHand-drawn