How much revenue did I, Zombie make?

$81k–$216k 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–$216k after Steam's cut $146k–$333k before the cut; from 3k 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 I, Zombie out and predicted the genre from its 8 similar games. Every figure here, including I, Zombie's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 44k–170k

best case 358k (Yuppie Psycho: Executive Edition)

Games like I, Zombie

The middle of these games

≈ 44k–170k copies

≈ $368k–$873k after Steam's cut

from ~2k reviews

Only the top fifth of 2019’s Steam releases earned about $34k gross, so plan for that or less.

5 of your 8 similar games are hits.

Best case: Yuppie Psycho: Executive Edition at ≈ 273k–443k copies, ≈ $1.3M–$3.4M after Steam's cut.

The genre you'd be entering

Your set: Your set clusters on Puzzle (5 of 8) and Stealth (5 of 8).
The winners: Winners here lead with Puzzle + Psychological Horror, priced around $17.
The era: The games you compared 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 the 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 the cut	$4.99	2k reviews Mostly Positive	StealthStrategy
Yuppie Psycho: Executive Edition 2019	Est. copies ≈ 273k–443k 3.9x vs typical SteamSpy 500k–1M	Est. revenue $1.3M–$3.4M after Steam's cut $2.3M–$5.3M before the cut	$16.99	9k reviews Very Positive	PuzzlePixel Graphics
The Count Lucanor 2016	Est. copies ≈ 124k–201k SteamSpy 100k–200k	Est. revenue $340k–$915k after Steam's cut $619k–$1.4M before the cut	$9.99	3k reviews Very Positive	GoreHorror
Serial Cleaner 2017	Est. copies ≈ 147k–239k 1.8x vs typical SteamSpy 1M–2M	Est. revenue $606k–$1.6M after Steam's cut $1.1M–$2.5M before the 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 the cut	$19.99	715 reviews Mostly Positive	StealthAction
Peaky Blinders: Mastermind 2020	Est. copies ≈ 25k–40k SteamSpy 50k–100k	Est. revenue Free	Free	992 reviews Mostly Positive	StrategyAdventure
Endoparasitic 2022	Est. copies ≈ 76k–124k SteamSpy 200k–500k	Est. revenue $209k–$563k after Steam's cut $381k–$866k before the cut	$9.99	3k reviews Very Positive	Survival Horror Horror