How much revenue did ZERO Sievert make?

$2.1M–$5.7M after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did ZERO Sievert sell?

Q: How many copies did ZERO Sievert sell?

387k to 628k copies, based on its 16k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 387k–628k; $2.1M–$5.7M after Steam's cut $3.9M–$8.8M before Steam's cut; from 16k 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 ZERO Sievert and predicted how it would do from its 8 similar games. Every figure here, including ZERO Sievert's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 8k–465k

best case 10.6M (Hunt: Showdown 1896)

Games like ZERO Sievert

A typical game among these

≈ 8k–465k copies

≈ $43k–$2.4M after Steam's cut

from ~1k reviews

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

4 of the 8 similar games are hits.

Best case: Hunt: Showdown 1896 at ≈ 8.0M–13.1M copies, ≈ $66.3M–$178.3M after Steam's cut.

What their first month looked like

About half the games that made it here had over 172 reviews in their first month; the range was 4 to 23k.

The genre you'd be entering

These games: The similar games share Extraction Shooter (6 of 8) and Post-apocalyptic (6 of 8).
The winners: Winners here lead with Open World + Extraction Shooter, priced around $30.
When they shipped: 4 of the 8 similar games shipped in the last two years, so this genre is actively shipping.

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 36 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
WastePunk 2025	Est. copies ≈ 446–725 SteamSpy under 20k	Est. revenue $612–$2k after Steam's cut $1k–$3k before Steam's cut	$4.99	18 reviews Positive	IndieAction
CONVRGENCE 2026	Est. copies ≈ 46k–75k 1.7x vs typical SteamSpy 100k–200k	Est. revenue $318k–$855k after Steam's cut $578k–$1.3M before Steam's cut	$24.99	2k reviews Very Positive	VRAtmospheric
Z.O.N.A Project X VR 2023	Est. copies ≈ 8k–13k SteamSpy under 20k	Est. revenue $43k–$115k after Steam's cut $78k–$178k before Steam's cut	$19.99	315 reviews Mostly Positive	ShooterOpen World
Into the Radius VR 2020	Est. copies ≈ 281k–456k 10x vs typical SteamSpy 500k–1M	Est. revenue $2.3M–$6.2M after Steam's cut $4.2M–$9.6M before Steam's cut	$29.99	11k reviews Very Positive	VRExtraction Shooter
Hunt: Showdown 1896 2019	Est. copies ≈ 8.0M–13.1M 256x vs typical SteamSpy 10M–20M	Est. revenue $66.3M–$178.3M after Steam's cut $120.6M–$274.4M before Steam's cut	$29.99	279k reviews Mostly Positive	Open WorldExtraction Shooter
Blood Running 2025	Est. copies ≈ 5k–8k SteamSpy under 20k	Est. revenue $24k–$64k after Steam's cut $43k–$99k before Steam's cut	$16.99	206 reviews Mixed	Extraction ShooterSurvival
No Escape from Madness 2025	Est. copies ≈ 7k–11k SteamSpy under 20k	Est. revenue $23k–$61k after Steam's cut $41k–$94k before Steam's cut	$11.99	277 reviews Mixed	Extraction ShooterBase-Building
The Day Before 2023	Est. copies ≈ 575k–934k 21x vs typical SteamSpy 2M–5M	Est. revenue Free	Free	23k reviews Overwhelmingly Negative	MultiplayerZombies