How much revenue did The Library of Babel make?

$11k–$30k after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did The Library of Babel sell?

Q: How many copies did The Library of Babel sell?

2k to 4k copies, based on its 87 Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 2k–4k; $11k–$30k after Steam's cut $20k–$47k before Steam's cut; from 87 reviews (Mostly 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 The Library of Babel and predicted how it would do from its 8 similar games. Every figure here, including The Library of Babel's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 12k–40k

best case 474k (Contrast)

Games like The Library of Babel

A typical game among these

≈ 12k–40k copies

≈ $32k–$272k after Steam's cut

from ~577 reviews

Only the top fifth of 2019's Steam releases earned $34k or more before Steam's cut, so plan for that or less.

2 of the 8 similar games are hits.

Best case: Contrast at ≈ 361k–587k copies, ≈ $992k–$2.7M after Steam's cut.

What their first month looked like

About half the games that made it here had over 148 reviews in their first month; the range was 130 to 250.

The genre you'd be entering

These games: The similar games share Noir (5 of 8) and Puzzle-Platformer (5 of 8).
The winners: Winners here lead with Female Protagonist + Noir, priced around $10.
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
7th Sector 2019	Est. copies ≈ 21k–33k SteamSpy 100k–200k	Est. revenue $62k–$167k after Steam's cut $113k–$257k before Steam's cut	$10.99	714 reviews Mostly Positive	3D PlatformerPuzzle-Platformer
Anoxemia 2015	Est. copies ≈ 21k–35k SteamSpy 100k–200k	Est. revenue $53k–$142k after Steam's cut $96k–$219k before Steam's cut	$8.99	439 reviews Mixed	PhysicsPuzzle-Platformer
LIBERATED 2020	Est. copies ≈ 22k–35k 1.5x vs typical SteamSpy 200k–500k	Est. revenue $119k–$320k after Steam's cut $216k–$492k before Steam's cut	$19.99	872 reviews Mostly Positive	ConspiracyComic Book
Genesis Noir 2021	Est. copies ≈ 57k–92k 4.0x vs typical SteamSpy 50k–100k	Est. revenue $234k–$629k after Steam's cut $425k–$967k before Steam's cut	$14.99	2k reviews Mostly Positive	NoirPoint & Click
Contrast 2013	Est. copies ≈ 361k–587k 9.9x vs typical SteamSpy 200k–500k	Est. revenue $992k–$2.7M after Steam's cut $1.8M–$4.1M before Steam's cut	$9.99	6k reviews Very Positive	IndieFemale Protagonist
Renoir 2016	Est. copies ≈ 6k–10k SteamSpy under 20k	Est. revenue $9k–$23k after Steam's cut $16k–$36k before Steam's cut	$4.99	151 reviews Mixed	AdventureIndie
Shift Quantum - A Cyber Noir Puzzle Platformer 2018	Est. copies ≈ 3k–4k SteamSpy under 20k	Est. revenue $14k–$37k after Steam's cut $25k–$57k before Steam's cut	$19.99	83 reviews Very Positive	IndieAction
Desvelado 2024	Est. copies ≈ 10k–16k SteamSpy under 20k	Est. revenue $18k–$50k after Steam's cut $34k–$76k before Steam's cut	$6.99	387 reviews Very Positive	Indie2D