How much revenue did Over 9000 Zombies! make?

$61k–$164k after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Over 9000 Zombies! sell?

Q: How many copies did Over 9000 Zombies! sell?

74k to 121k copies, based on its 2k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 74k–121k; $61k–$164k after Steam's cut $111k–$253k before Steam's cut; from 2k 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 Over 9000 Zombies! and predicted how it would do from its 8 similar games. Every figure here, including Over 9000 Zombies!'s, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 56k–274k

best case 507k (Yet Another Zombie Survivors)

Games like Over 9000 Zombies!

A typical game among these

≈ 56k–274k copies

≈ $393k–$1.9M after Steam's cut

from ~4k reviews

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

7 of the 8 similar games are hits.

Best case: Yet Another Zombie Survivors at ≈ 386k–628k copies, ≈ $1.6M–$4.3M 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 423 to 15k.

The genre you'd be entering

These games: The similar games share Action Roguelike (6 of 8) and Zombies (6 of 8).
The winners: Winners here lead with Action Roguelike + Bullet Hell, priced around $15.
When they shipped: The similar games span 2016 to 2026, and 2 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 52 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
Zombie Party 2016	Est. copies ≈ 29k–47k SteamSpy 100k–200k	Est. revenue $80k–$215k after Steam's cut $145k–$330k before Steam's cut	$9.99	699 reviews Very Positive	ActionAction Roguelike
Sker Ritual 2024	Est. copies ≈ 149k–242k 1.5x vs typical SteamSpy 200k–500k	Est. revenue $820k–$2.2M after Steam's cut $1.5M–$3.4M before Steam's cut	$19.99	6k reviews Very Positive	Story RichMultiplayer
Death Road to Canada 2016	Est. copies ≈ 438k–712k 2.6x vs typical SteamSpy 200k–500k	Est. revenue $1.8M–$4.9M after Steam's cut $3.3M–$7.5M before Steam's cut	$14.99	11k reviews Very Positive	Pixel GraphicsZombies
UNDYING - "KINGDOM" 2023	Est. copies ≈ 47k–76k SteamSpy 100k–200k	Est. revenue $258k–$692k after Steam's cut $468k–$1.1M before Steam's cut	$19.99	2k reviews Mostly Positive	Story RichMultiple Endings
Yet Another Zombie Survivors 2026	Est. copies ≈ 386k–628k 3.9x vs typical SteamSpy 500k–1M	Est. revenue $1.6M–$4.3M after Steam's cut $2.9M–$6.6M before Steam's cut	$14.99	16k reviews Very Positive	Early AccessAction Roguelike
Darksburg 2020	Est. copies ≈ 63k–102k SteamSpy 50k–100k	Est. revenue $258k–$693k after Steam's cut $469k–$1.1M before Steam's cut	$14.99	3k reviews Mixed	Rogue-like Co-op
Apocalypse Party 2023	Est. copies ≈ 135k–219k SteamSpy 200k–500k	Est. revenue $371k–$998k after Steam's cut $675k–$1.5M before Steam's cut	$9.99	5k reviews Mostly Positive	CasualSingleplayer
10 Miles To Safety 2020	Est. copies ≈ 25k–40k SteamSpy 100k–200k	Est. revenue $68k–$184k after Steam's cut $124k–$283k before Steam's cut	$9.99	1k reviews Mostly Positive	StrategyAction