How many copies did The Book of Distance sell?

5k to 8k copies, based on its 188 Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did The Book of Distance make?

The Book of Distance is free to play, so there is no copy-sales revenue to estimate.

How big is The Book of Distance?

Estimated players who have it: ≈ 5k–8k; from 188 reviews (Very 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 Book of Distance and predicted how it would do from its 8 similar games. Every figure here, including The Book of Distance's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 583k–1.7M

best case 3.4M (Half-Life: Alyx)

Games like The Book of Distance

A typical game among these

≈ 583k–1.7M copies

≈ $2.0M–$17.4M after Steam's cut

from ~23k 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: Half-Life: Alyx at ≈ 2.6M–4.3M copies, ≈ $43.2M–$116.1M after Steam's cut.

What their first month looked like

About half the games that made it here had over 1k reviews in their first month; the range was 332 to 27k.

The genre you'd be entering

These games: The similar games share Story Rich (8 of 8) and Interactive Fiction (7 of 8).
The winners: Winners here lead with VR + FPS, priced around $60.
When they shipped: The similar games span 2015 to 2024, and 3 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 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
Half-Life: Alyx 2020	Est. copies ≈ 2.6M–4.3M 4.6x vs typical SteamSpy 2M–5M	Est. revenue $43.2M–$116.1M after Steam's cut $78.5M–$178.5M before Steam's cut	$59.99	106k reviews Overwhelmingly Positive	VRFPS
Emily is Away 2015	Est. copies ≈ 1.6M–2.6M SteamSpy 1M–2M	Est. revenue Free	Free	32k reviews Very Positive	Free to PlayStory Rich
The Walking Dead: The Telltale Definitive Series 2020	Est. copies ≈ 1.2M–1.9M 2.1x vs typical SteamSpy 500k–1M	Est. revenue $16.2M–$43.5M after Steam's cut $29.4M–$66.9M before Steam's cut	$49.99	47k reviews Overwhelmingly Positive	Choices MatterStory Rich
Before Your Eyes 2021	Est. copies ≈ 595k–968k SteamSpy 200k–500k	Est. revenue $1.6M–$4.4M after Steam's cut $3.0M–$6.8M before Steam's cut	$9.99	24k reviews Overwhelmingly Positive	EmotionalNarrative
The NOexistenceN of you AND me 2024	Est. copies ≈ 553k–898k SteamSpy 100k–200k	Est. revenue $303k–$813k after Steam's cut $550k–$1.3M before Steam's cut	$1.99	22k reviews Very Positive	Visual Novel Psychological Horror
Until Then 2024	Est. copies ≈ 484k–786k SteamSpy 100k–200k	Est. revenue $2.7M–$7.1M after Steam's cut $4.8M–$11.0M before Steam's cut	$19.99	19k reviews Overwhelmingly Positive	Visual NovelPixel Graphics
No Case Should Remain Unsolved 2024	Est. copies ≈ 266k–433k SteamSpy 200k–500k	Est. revenue $512k–$1.4M after Steam's cut $930k–$2.1M before Steam's cut	$6.99	11k reviews Overwhelmingly Positive	Interactive FictionPuzzle
The Life and Suffering of Sir Brante 2021	Est. copies ≈ 326k–529k SteamSpy 200k–500k	Est. revenue $1.8M–$4.8M after Steam's cut $3.3M–$7.4M before Steam's cut	$19.99	13k reviews Very Positive	Choices MatterStory Rich