How many copies did PROZE: Prologue sell?

3k to 5k copies, based on its 105 Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did PROZE: Prologue make?

PROZE: Prologue is free to play, so there is no copy-sales revenue to estimate.

How big is PROZE: Prologue?

Estimated owners: ≈ 3k–5k; from 105 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 PROZE: Prologue out and predicted the genre from its 8 similar games. Every figure here, including PROZE: Prologue's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 988k–2.2M

best case 5.7M (Resident Evil 7 Biohazard)

Games like PROZE: Prologue

The middle of these games

≈ 988k–2.2M copies

≈ $3.3M–$14.7M after Steam's cut

from ~36k reviews

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

7 of your 8 similar games are hits.

Best case: Resident Evil 7 Biohazard at ≈ 4.4M–7.1M copies, ≈ $23.9M–$64.4M after Steam's cut.

What it took to get here

About half the games that made it here had over 3k reviews in their first month; the spread ran 392 to 15k.

The genre you'd be entering

Your set: Your set clusters on Horror (6 of 8) and Co-op (5 of 8).
The winners: Winners here lead with Horror + Survival Horror, priced around $20.
The era: The games you compared span 2017 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 43 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
DEVOUR 2021	Est. copies ≈ 2.2M–3.6M 2.4x vs typical SteamSpy 2M–5M	Est. revenue $6.0M–$16.1M after Steam's cut $10.9M–$24.8M before the cut	$9.99	88k reviews Very Positive	HorrorOnline Co-Op
BONEWORKS 2019	Est. copies ≈ 1.0M–1.7M SteamSpy 1M–2M	Est. revenue $8.7M–$23.3M after Steam's cut $15.7M–$35.8M before the cut	$29.99	36k reviews Very Positive	VRPhysics
The Room 4: Old Sins 2021	Est. copies ≈ 455k–740k SteamSpy 200k–500k	Est. revenue $1.1M–$3.0M after Steam's cut $2.0M–$4.7M before the cut	$8.99	18k reviews Overwhelmingly Positive	PuzzleMystery
Resident Evil 7 Biohazard 2017	Est. copies ≈ 4.4M–7.1M 3.5x vs typical SteamSpy 2M–5M	Est. revenue $23.9M–$64.4M after Steam's cut $43.5M–$99.0M before the cut	$19.99	127k reviews Overwhelmingly Positive	Horror Survival Horror
Pacify 2019	Est. copies ≈ 0 too small to compare SteamSpy 2M–5M	Est. revenue $0 after Steam's cut $0 before the cut	$4.99	0 reviews No user reviews	HorrorOnline Co-Op
Inside the Backrooms 2022	Est. copies ≈ 1.2M–1.9M SteamSpy 1M–2M	Est. revenue $2.2M–$6.0M after Steam's cut $4.1M–$9.2M before the cut	$6.99	47k reviews Mostly Positive	HorrorMultiplayer
We Were Here 2017	Est. copies ≈ 1.1M–1.9M SteamSpy 1M–2M	Est. revenue Free	Free	33k reviews Very Positive	Free to PlayCo-op
Ghost Watchers 2025	Est. copies ≈ 405k–658k SteamSpy 500k–1M	Est. revenue $1.7M–$4.5M after Steam's cut $3.0M–$6.9M before the cut	$14.99	16k reviews Very Positive	Horror Co-op