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 owners: ≈ 5k–8k; from 188 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 The Book of Distance out and predicted the genre from its 8 similar games. Every figure here, including The Book of Distance's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 568k–1.7M

best case 3.4M (Half-Life: Alyx)

Games like The Book of Distance

The middle of these games

≈ 568k–1.7M copies

≈ $2.0M–$17.1M after Steam's cut

from ~23k 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: Half-Life: Alyx at ≈ 2.6M–4.2M copies, ≈ $43.0M–$115.5M after Steam's cut.

What it took to get here

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

The genre you'd be entering

Your set: Your set clusters on Story Rich (8 of 8) and Interactive Fiction (7 of 8).
The winners: Winners here lead with VR + FPS, priced around $60.
The era: The games you compared span 2015 to 2024, and 3 of your 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–4.2M 4.6x vs typical SteamSpy 2M–5M	Est. revenue $43.0M–$115.5M after Steam's cut $78.1M–$177.7M before the cut	$59.99	105k 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 2.0x vs typical SteamSpy 500k–1M	Est. revenue $16.0M–$42.9M after Steam's cut $29.0M–$66.0M before the cut	$49.99	47k reviews Overwhelmingly Positive	Choices MatterStory Rich
Before Your Eyes 2021	Est. copies ≈ 590k–959k SteamSpy 200k–500k	Est. revenue $1.6M–$4.4M after Steam's cut $2.9M–$6.7M before the cut	$9.99	24k reviews Overwhelmingly Positive	EmotionalNarrative
The NOexistenceN of you AND me 2024	Est. copies ≈ 544k–885k SteamSpy 100k–200k	Est. revenue $298k–$801k after Steam's cut $542k–$1.2M before the cut	$1.99	22k reviews Very Positive	Visual Novel Psychological Horror
Until Then 2024	Est. copies ≈ 472k–768k SteamSpy 100k–200k	Est. revenue $2.6M–$7.0M after Steam's cut $4.7M–$10.7M before the cut	$19.99	19k reviews Overwhelmingly Positive	Visual NovelPixel Graphics
No Case Should Remain Unsolved 2024	Est. copies ≈ 263k–427k SteamSpy 200k–500k	Est. revenue $505k–$1.4M after Steam's cut $918k–$2.1M before the cut	$6.99	11k reviews Overwhelmingly Positive	Interactive FictionPuzzle
The Life and Suffering of Sir Brante 2021	Est. copies ≈ 315k–512k SteamSpy 200k–500k	Est. revenue $1.7M–$4.7M after Steam's cut $3.1M–$7.2M before the cut	$19.99	13k reviews Very Positive	Choices MatterStory Rich