How much revenue did S.T.A.L.K.E.R.: Clear Sky make?

$7.8M–$21.1M after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did S.T.A.L.K.E.R.: Clear Sky sell?

Q: How many copies did S.T.A.L.K.E.R.: Clear Sky sell?

1.4M to 2.3M copies, based on its 23k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 1.4M–2.3M; $7.8M–$21.1M after Steam's cut $14.3M–$32.4M before Steam's cut; from 23k reviews (Very 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 S.T.A.L.K.E.R.: Clear Sky and predicted how it would do from its 8 similar games. Every figure here, including S.T.A.L.K.E.R.: Clear Sky's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 4.5M–6.1M

best case 18.7M (DayZ)

Games like S.T.A.L.K.E.R.: Clear Sky

A typical game among these

≈ 4.5M–6.1M copies

≈ $66.0M–$87.2M after Steam's cut

from ~141k 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.

These similar games lean toward the genre's biggest winners; the typical figure comes from its ordinary successes.

Best case: DayZ at ≈ 14.3M–23.2M copies, ≈ $196.4M–$527.9M after Steam's cut. It is a breakout hit, far above a typical game.

What their first month looked like

About half the games that made it here had over 51k reviews in their first month; the range was 14k to 327k.

The genre you'd be entering

These games: The similar games share Post-apocalyptic (8 of 8) and Open World (7 of 8).
The winners: Winners here lead with Open World + Post-apocalyptic, priced around $32. The breakout hits carry Zombies; a typical game here doesn't.
When they shipped: The similar games span 2010 to 2024, and 2 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
Metro 2033 Redux 2014	Est. copies ≈ 8.0M–12.9M SteamSpy 5M–10M	Est. revenue $43.8M–$117.8M after Steam's cut $79.6M–$181.2M before Steam's cut	$19.99	142k reviews Very Positive	Post-apocalypticFPS
7 Days to Die 2024	Est. copies ≈ 9.9M–16.2M 2.8x vs typical SteamSpy 10M–20M	Est. revenue $123.1M–$331.0M after Steam's cut $223.8M–$509.2M before Steam's cut	$44.99	401k reviews Very Positive	SurvivalZombies
Metro Exodus 2020	Est. copies ≈ 3.4M–5.5M SteamSpy 2M–5M	Est. revenue $27.9M–$74.9M after Steam's cut $50.7M–$115.3M before Steam's cut	$29.99	136k reviews Very Positive	Post-apocalypticFPS
Fallout 4 2015	Est. copies ≈ 21.0M–34.1M 3.0x vs typical SteamSpy 10M–20M	Est. revenue $115.2M–$309.7M after Steam's cut $209.4M–$476.5M before Steam's cut	$19.99	429k reviews Very Positive	Open WorldPost-apocalyptic
S.T.A.L.K.E.R. 2: Heart of Chornobyl 2024	Est. copies ≈ 3.5M–5.7M SteamSpy 2M–5M	Est. revenue $57.8M–$155.4M after Steam's cut $105.1M–$239.2M before Steam's cut	$59.99	141k reviews Very Positive	Open WorldFPS
DayZ 2018	Est. copies ≈ 14.3M–23.2M 3.3x vs typical SteamSpy 10M–20M	Est. revenue $196.4M–$527.9M after Steam's cut $357.0M–$812.2M before Steam's cut	$49.99	470k reviews Mostly Positive	SurvivalOpen World
Fallout 76 2020	Est. copies ≈ 3.5M–5.7M SteamSpy 2M–5M	Est. revenue $38.4M–$103.3M after Steam's cut $69.8M–$158.9M before Steam's cut	$39.99	141k reviews Mostly Positive	Open WorldMultiplayer
Fallout: New Vegas 2010	Est. copies ≈ 16.6M–26.9M 1.9x vs typical SteamSpy 5M–10M	Est. revenue $45.5M–$122.3M after Steam's cut $82.7M–$188.2M before Steam's cut	$9.99	262k reviews Overwhelmingly Positive	Open WorldRPG