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 owners: ≈ 146k–238k; from 5k reviews (Mostly 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 Dead Maze out and predicted the genre from its 8 similar games. Every figure here, including Dead Maze's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 1.5M–4.3M

best case 39.6M (Project Zomboid)

Games like Dead Maze

The middle of these games

≈ 1.5M–4.3M copies

≈ $14.6M–$71.5M after Steam's cut

from ~52k reviews

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

All 8 of your similar games are hits.

Best case: Project Zomboid at ≈ 30.2M–49.0M copies, ≈ $207.3M–$557.3M after Steam's cut.

The genre you'd be entering

Your set: Your set clusters on Open World (8 of 8) and Survival (8 of 8).
The winners: Winners here lead with Survival + Zombies, priced around $25.
The era: The games you compared span 2013 to 2025, and 1 of your 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 ≈ 3.1M–5.1M 2.4x vs typical SteamSpy 5M–10M	Est. revenue $38.8M–$104.2M after Steam's cut $70.5M–$160.3M before the cut	$44.99	126k reviews Mostly Positive	SurvivalOpen World Survival Craft
Dead Island Definitive Edition 2016	Est. copies ≈ 1.2M–1.9M SteamSpy 1M–2M	Est. revenue $6.4M–$17.3M after Steam's cut $11.7M–$26.7M before the cut	$19.99	28k reviews Very Positive	ZombiesOpen World
Project Zomboid 2013	Est. copies ≈ 30.2M–49.0M 9.2x vs typical SteamSpy 10M–20M	Est. revenue $207.3M–$557.3M after Steam's cut $376.9M–$857.4M before the cut	$24.99	477k 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–$38.3M after Steam's cut $25.9M–$58.9M before the 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–$32.8M before the cut	$29.99	32k reviews Mixed	Open World Survival CraftSurvival