How many copies did DESOLATIUM: Prologue sell?

3k to 5k copies, based on its 122 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 players who have it: ≈ 3k–5k; from 122 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 DESOLATIUM: Prologue and predicted how it would do from its 8 similar games. Every figure here, including DESOLATIUM: Prologue's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 3.1M–5.4M

best case 5.8M (Stray)

Games like DESOLATIUM: Prologue

A typical game among these

≈ 3.1M–5.4M copies

≈ $16.9M–$40.7M after Steam's cut

from ~88k 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: Stray at ≈ 4.4M–7.2M copies, ≈ $36.6M–$98.3M after Steam's cut.

What their first month looked like

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

The genre you'd be entering

These games: The similar games share Exploration (5 of 8) and Story Rich (4 of 8).
The winners: Winners here lead with Cats + Cyberpunk, priced around $30.
When they shipped: The similar games span 2015 to 2024, and 3 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 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–4.4M SteamSpy 1M–2M	Est. revenue $18.5M–$49.7M after Steam's cut $33.6M–$76.4M before Steam's cut	$24.99	108k reviews Overwhelmingly Positive	ExplorationSpace
SOMA 2015	Est. copies ≈ 2.6M–4.2M SteamSpy 2M–5M	Est. revenue $21.4M–$57.4M after Steam's cut $38.8M–$88.3M before Steam's cut	$29.99	53k reviews Overwhelmingly Positive	Horror Psychological Horror
INSIDE 2016	Est. copies ≈ 3.2M–5.2M SteamSpy 2M–5M	Est. revenue $21.8M–$58.7M after Steam's cut $39.7M–$90.3M before Steam's 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–$5.9M after Steam's cut $4.0M–$9.1M before Steam's cut	$4.99	64k reviews Very Positive	Co-opAdventure
Content Warning 2024	Est. copies ≈ 4.1M–6.6M 1.9x vs typical SteamSpy 5M–10M	Est. revenue $8.9M–$24.0M after Steam's cut $16.2M–$36.9M before Steam's cut	$7.99	164k reviews Very Positive	Online Co-OpHorror
Firewatch 2016	Est. copies ≈ 4.2M–6.8M SteamSpy 2M–5M	Est. revenue $22.9M–$61.5M after Steam's cut $41.6M–$94.6M before Steam's cut	$19.99	100k reviews Very Positive	AdventureAtmospheric
Core Keeper 2024	Est. copies ≈ 1.7M–2.7M SteamSpy 1M–2M	Est. revenue $9.3M–$24.9M after Steam's cut $16.9M–$38.4M before Steam's cut	$19.99	68k 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 $36.6M–$98.3M after Steam's cut $66.5M–$151.3M before Steam's cut	$29.99	179k reviews Overwhelmingly Positive	CatsAdventure