How many copies did Dead Maze sell?

146k to 238k copies, based on its 5k Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did Dead Maze make?

Dead Maze is free to play, so there is no copy-sales revenue to estimate.

How big is Dead Maze?

Estimated players who have it: ≈ 146k–238k; from 5k 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 Dead Maze and predicted how it would do from its 8 similar games. Every figure here, including Dead Maze's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 1.5M–4.3M

best case 40.1M (Project Zomboid)

Games like Dead Maze

A typical game among these

≈ 1.5M–4.3M copies

≈ $14.6M–$72.0M after Steam's cut

from ~52k 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: Project Zomboid at ≈ 30.5M–49.6M copies, ≈ $209.9M–$564.4M after Steam's cut.

The genre you'd be entering

These games: The similar games share Open World (8 of 8) and Survival (8 of 8).
The winners: Winners here lead with Survival + Zombies, priced around $25.
When they shipped: The similar games span 2013 to 2025, 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 79 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
SCUM 2025	Est. copies ≈ 3.2M–5.1M 2.4x vs typical SteamSpy 5M–10M	Est. revenue $39.0M–$104.9M after Steam's cut $70.9M–$161.4M before Steam's cut	$44.99	127k reviews Mostly Positive	SurvivalOpen World Survival Craft
Dead Island Definitive Edition 2016	Est. copies ≈ 1.2M–1.9M SteamSpy 1M–2M	Est. revenue $6.5M–$17.5M after Steam's cut $11.8M–$26.9M before Steam's cut	$19.99	28k reviews Very Positive	ZombiesOpen World
Project Zomboid 2013	Est. copies ≈ 30.5M–49.6M 9.3x vs typical SteamSpy 10M–20M	Est. revenue $209.9M–$564.4M after Steam's cut $381.6M–$868.2M before Steam's cut	$24.99	483k reviews Very Positive	SurvivalZombies
Just Survive 2015	Est. copies ≈ 3.7M–6.1M SteamSpy 1M–2M	Est. revenue Free	Free	77k reviews Mixed	ZombiesSurvival
State of Decay 2: Juggernaut Edition 2020	Est. copies ≈ 1.7M–2.8M SteamSpy 2M–5M	Est. revenue $14.3M–$38.6M after Steam's cut $26.1M–$59.3M before Steam's cut	$29.99	70k reviews Very Positive	SurvivalOpen World
State of Decay 2013	Est. copies ≈ 1.1M–1.8M SteamSpy 500k–1M	Est. revenue Free	Free	17k reviews Very Positive	ZombiesSurvival
Infestation: The New Z 2016	Est. copies ≈ 1.4M–2.3M SteamSpy 5M–10M	Est. revenue Free	Free	34k reviews Mixed	ZombiesFree to Play
Miscreated 2018	Est. copies ≈ 960k–1.6M SteamSpy 200k–500k	Est. revenue $7.9M–$21.3M after Steam's cut $14.4M–$32.7M before Steam's cut	$29.99	32k reviews Mixed	Open World Survival CraftSurvival