How much revenue did Diabolical make?

$8k–$22k after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Diabolical sell?

Q: How many copies did Diabolical sell?

6k to 10k copies, based on its 120 Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 6k–10k; $8k–$22k after Steam's cut $15k–$33k before Steam's cut; from 120 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 Diabolical and predicted how it would do from its 8 similar games. Every figure here, including Diabolical's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 213k–948k

best case 1.5M (The Walking Dead: The Telltale Definitive Series)

Games like Diabolical

A typical game among these

≈ 213k–948k copies

≈ $972k–$3.2M after Steam's cut

from ~12k 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: The Walking Dead: The Telltale Definitive Series at ≈ 1.2M–1.9M copies, ≈ $16.2M–$43.5M 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 3k.

The genre you'd be entering

These games: The similar games share Choose Your Own Adventure (6 of 8) and Choices Matter (5 of 8).
The winners: Winners here lead with Choices Matter + Story Rich, priced around $50.
When they shipped: The similar games span 2015 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 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

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私のリアルは充実しすぎているフルボイス版 2022	Est. copies ≈ 136k–222k SteamSpy 200k–500k	Est. revenue $375k–$1.0M after Steam's cut $681k–$1.5M before Steam's cut	$9.99	5k reviews Overwhelmingly Positive	OtomeFemale Protagonist
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The Walking Dead: The Telltale Definitive Series 2020	Est. copies ≈ 1.2M–1.9M 4.0x 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
60 Seconds! 2015	Est. copies ≈ 571k–927k SteamSpy 500k–1M	Est. revenue $1.4M–$3.8M after Steam's cut $2.6M–$5.8M before Steam's cut	$8.99	12k reviews Very Positive	Turn-Based TacticsExploration
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
I Wani Hug that Gator! 2024	Est. copies ≈ 143k–232k SteamSpy 200k–500k	Est. revenue $589k–$1.6M after Steam's cut $1.1M–$2.4M before Steam's cut	$14.99	6k reviews Overwhelmingly Positive	Visual Novel Story Rich
Emily is Away 2015	Est. copies ≈ 1.6M–2.6M 2.7x vs typical SteamSpy 1M–2M	Est. revenue Free	Free	32k reviews Very Positive	Free to PlayStory Rich
Hooked on You: A Dead by Daylight Dating Sim™ 2022	Est. copies ≈ 169k–275k SteamSpy 200k–500k	Est. revenue $465k–$1.2M after Steam's cut $845k–$1.9M before Steam's cut	$9.99	7k reviews Very Positive	Psychological HorrorDating Sim