How much revenue did Biolum make?

$3k–$9k after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Biolum sell?

Q: How many copies did Biolum sell?

3k to 5k copies, based on its 124 Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 3k–5k; $3k–$9k after Steam's cut $6k–$14k before Steam's cut; from 124 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 Biolum and predicted how it would do from its 8 similar games. Every figure here, including Biolum's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 135k–1.6M

best case 4.5M (Warhammer 40,000: Darktide)

Games like Biolum

A typical game among these

≈ 135k–1.6M copies

≈ $833k–$11.4M after Steam's cut

from ~6k 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: Warhammer 40,000: Darktide at ≈ 3.5M–5.6M copies, ≈ $38.0M–$102.2M after Steam's cut.

What their first month looked like

About half the games that made it here had over 2k reviews in their first month; the range was 721 to 49k.

The genre you'd be entering

These games: The similar games share Story Rich (5 of 8) and Cinematic (2 of 8).
The winners: Winners here lead with Horror + Team-Based, priced around $40.
When they shipped: The similar games span 2012 to 2023, 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 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
A Story About My Uncle 2014	Est. copies ≈ 1.6M–2.7M 5.1x vs typical SteamSpy 5M–10M	Est. revenue $6.8M–$18.2M after Steam's cut $12.3M–$27.9M before Steam's cut	$14.99	29k reviews Very Positive	AdventureFirst-Person
No Time 2019	Est. copies ≈ 64k–105k SteamSpy 20k–50k	Est. revenue $230k–$618k after Steam's cut $418k–$951k before Steam's cut	$12.99	2k reviews Overwhelmingly Positive	Time TravelTime Manipulation
Warhammer 40,000: Darktide 2022	Est. copies ≈ 3.5M–5.6M 24x vs typical SteamSpy 2M–5M	Est. revenue $38.0M–$102.2M after Steam's cut $69.1M–$157.2M before Steam's cut	$39.99	139k reviews Mostly Positive	HorrorTeam-Based
Beyond: Two Souls 2020	Est. copies ≈ 1.1M–1.8M 7.7x vs typical SteamSpy 1M–2M	Est. revenue $6.0M–$16.0M after Steam's cut $10.9M–$24.7M before Steam's cut	$19.99	44k reviews Very Positive	AdventureChoices Matter
The Silent Age 2015	Est. copies ≈ 351k–571k SteamSpy 200k–500k	Est. revenue $965k–$2.6M after Steam's cut $1.8M–$4.0M before Steam's cut	$9.99	7k reviews Very Positive	Point & ClickSide Scroller
The Dream Machine: Chapter 1 & 2 2012	Est. copies ≈ 142k–231k SteamSpy 200k–500k	Est. revenue $156k–$420k after Steam's cut $284k–$646k before Steam's cut	$3.99	2k reviews Very Positive	Point & ClickHand-drawn
Event[0] 2016	Est. copies ≈ 96k–155k SteamSpy 200k–500k	Est. revenue $526k–$1.4M after Steam's cut $956k–$2.2M before Steam's cut	$19.99	2k reviews Very Positive	AdventureSci-fi
Fort Solis 2023	Est. copies ≈ 105k–171k SteamSpy 200k–500k	Est. revenue $723k–$1.9M after Steam's cut $1.3M–$3.0M before Steam's cut	$24.99	4k reviews Mixed	Walking SimulatorCinematic