How much revenue did I, Zombie make?

$81k–$217k after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did I, Zombie sell?

Q: How many copies did I, Zombie sell?

147k to 239k copies, based on its 3k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 147k–239k; $81k–$217k after Steam's cut $146k–$333k before Steam's cut; from 3k 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 I, Zombie and predicted how it would do from its 8 similar games. Every figure here, including I, Zombie's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 44k–171k

best case 361k (Yuppie Psycho: Executive Edition)

Games like I, Zombie

A typical game among these

≈ 44k–171k copies

≈ $368k–$877k after Steam's cut

from ~2k reviews

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

5 of the 8 similar games are hits.

Best case: Yuppie Psycho: Executive Edition at ≈ 275k–447k copies, ≈ $1.3M–$3.5M after Steam's cut.

The genre you'd be entering

These games: The similar games share Puzzle (5 of 8) and Stealth (5 of 8).
The winners: Winners here lead with Puzzle + Psychological Horror, priced around $17.
When they shipped: The similar games span 2015 to 2022, 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 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
2Dark 2017	Est. copies ≈ 30k–49k SteamSpy 200k–500k	Est. revenue $207k–$557k after Steam's cut $377k–$857k before Steam's cut	$24.99	876 reviews Mostly Positive	IndieHorror
Ninja Stealth 2016	Est. copies ≈ 78k–127k SteamSpy 200k–500k	Est. revenue $107k–$288k after Steam's cut $195k–$443k before Steam's cut	$4.99	2k reviews Mostly Positive	StealthStrategy
Yuppie Psycho: Executive Edition 2019	Est. copies ≈ 275k–447k 3.9x vs typical SteamSpy 500k–1M	Est. revenue $1.3M–$3.5M after Steam's cut $2.3M–$5.3M before Steam's cut	$16.99	10k reviews Very Positive	PuzzlePixel Graphics
The Count Lucanor 2016	Est. copies ≈ 125k–203k SteamSpy 100k–200k	Est. revenue $343k–$923k after Steam's cut $624k–$1.4M before Steam's cut	$9.99	3k reviews Very Positive	GoreHorror
Serial Cleaner 2017	Est. copies ≈ 147k–240k 1.8x vs typical SteamSpy 1M–2M	Est. revenue $608k–$1.6M after Steam's cut $1.1M–$2.5M before Steam's cut	$14.99	4k reviews Very Positive	StealthAction
Volume 2015	Est. copies ≈ 35k–57k SteamSpy 20k–50k	Est. revenue $192k–$516k after Steam's cut $349k–$793k before Steam's cut	$19.99	715 reviews Mostly Positive	StealthAction
Peaky Blinders: Mastermind 2020	Est. copies ≈ 25k–40k SteamSpy 50k–100k	Est. revenue Free	Free	994 reviews Mostly Positive	StrategyAdventure
Endoparasitic 2022	Est. copies ≈ 77k–125k SteamSpy 200k–500k	Est. revenue $211k–$567k after Steam's cut $383k–$872k before Steam's cut	$9.99	3k reviews Very Positive	Survival Horror Horror