How many copies did DESOLATIUM: Prologue sell?

3k to 5k copies, based on its 121 Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did DESOLATIUM: Prologue make?

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

How big is DESOLATIUM: Prologue?

Estimated owners: ≈ 3k–5k; from 121 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 DESOLATIUM: Prologue out and predicted the genre from its 8 similar games. Every figure here, including DESOLATIUM: Prologue's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 3.1M–5.3M

best case 5.8M (Stray)

Games like DESOLATIUM: Prologue

The middle of these games

≈ 3.1M–5.3M copies

≈ $16.6M–$40.5M after Steam's cut

from ~88k 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: Stray at ≈ 4.4M–7.2M copies, ≈ $36.4M–$98.0M after Steam's cut.

What it took to get here

About half the games that made it here had over 39k reviews in their first month; the spread ran 5k to 69k.

The genre you'd be entering

Your set: Your set clusters on Exploration (5 of 8) and Story Rich (4 of 8).
The winners: Winners here lead with Cats + Cyberpunk, priced around $30.
The era: The games you compared span 2015 to 2024, and 3 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 61 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
Outer Wilds 2020	Est. copies ≈ 2.7M–4.3M SteamSpy 1M–2M	Est. revenue $18.3M–$49.2M after Steam's cut $33.3M–$75.7M before the cut	$24.99	107k reviews Overwhelmingly Positive	ExplorationSpace
SOMA 2015	Est. copies ≈ 2.6M–4.2M SteamSpy 2M–5M	Est. revenue $21.2M–$57.0M after Steam's cut $38.5M–$87.7M before the cut	$29.99	53k reviews Overwhelmingly Positive	Horror Psychological Horror
INSIDE 2016	Est. copies ≈ 3.2M–5.1M SteamSpy 2M–5M	Est. revenue $21.7M–$58.3M after Steam's cut $39.4M–$89.7M before the cut	$24.99	76k reviews Overwhelmingly Positive	2.5DPuzzle-Platformer
Chained Together 2024	Est. copies ≈ 1.6M–2.6M SteamSpy 2M–5M	Est. revenue $2.2M–$5.8M after Steam's cut $4.0M–$9.0M before the cut	$4.99	64k reviews Very Positive	Co-opAdventure
Content Warning 2024	Est. copies ≈ 4.0M–6.6M 1.9x vs typical SteamSpy 5M–10M	Est. revenue $8.9M–$23.9M after Steam's cut $16.2M–$36.8M before the cut	$7.99	163k reviews Very Positive	Online Co-OpHorror
Firewatch 2016	Est. copies ≈ 4.1M–6.7M SteamSpy 2M–5M	Est. revenue $22.7M–$61.1M after Steam's cut $41.3M–$94.0M before the cut	$19.99	99k reviews Very Positive	AdventureAtmospheric
Core Keeper 2024	Est. copies ≈ 1.6M–2.7M SteamSpy 1M–2M	Est. revenue $9.0M–$24.3M after Steam's cut $16.4M–$37.4M before the cut	$19.99	66k reviews Very Positive	Pixel GraphicsOpen World Survival Craft
Stray 2022	Est. copies ≈ 4.4M–7.2M 2.0x vs typical SteamSpy 5M–10M	Est. revenue $36.4M–$98.0M after Steam's cut $66.2M–$150.7M before the cut	$29.99	178k reviews Overwhelmingly Positive	CatsAdventure