How much revenue did System Purge make?

$7k–$19k after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did System Purge sell?

Q: How many copies did System Purge sell?

5k to 8k copies, based on its 208 Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 5k–8k; $7k–$19k after Steam's cut $13k–$29k before Steam's cut; from 208 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 System Purge and predicted how it would do from its 8 similar games. Every figure here, including System Purge's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 4.5M–7.2M

best case 38.8M (Portal 2)

Games like System Purge

A typical game among these

≈ 4.5M–7.2M copies

≈ $43.3M–$103.5M after Steam's cut

from ~127k reviews

Only the top fifth of 2019's Steam releases earned $34k or more before Steam's cut, so plan for that or less.

7 of the 8 similar games are hits.

Best case: Portal 2 at ≈ 29.5M–48.0M copies, ≈ $81.1M–$218.1M after Steam's cut.

The genre you'd be entering

These games: The similar games share Female Protagonist (5 of 8) and Horror (5 of 8).
The winners: Winners here lead with Platformer + Puzzle, priced around $10.
When they shipped: The similar games span 2011 to 2023, and none of them 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
Little Nightmares 2017	Est. copies ≈ 4.0M–6.5M SteamSpy 5M–10M	Est. revenue $22.1M–$59.3M after Steam's cut $40.1M–$91.3M before Steam's cut	$19.99	117k reviews Very Positive	HorrorAtmospheric
Celeste 2018	Est. copies ≈ 4.5M–7.4M SteamSpy 2M–5M	Est. revenue $24.9M–$67.0M after Steam's cut $45.3M–$103.1M before Steam's cut	$19.99	149k reviews Overwhelmingly Positive	Precision PlatformerDifficult
Alien: Isolation 2014	Est. copies ≈ 3.8M–6.1M SteamSpy 2M–5M	Est. revenue $41.3M–$110.9M after Steam's cut $75.0M–$170.6M before Steam's cut	$39.99	67k reviews Very Positive	Horror Survival Horror
Portal 2 2011	Est. copies ≈ 29.5M–48.0M 3.7x vs typical SteamSpy 5M–10M	Est. revenue $81.1M–$218.1M after Steam's cut $147.5M–$335.6M before Steam's cut	$9.99	467k reviews Overwhelmingly Positive	Platformer Puzzle
Resident Evil 2 2019	Est. copies ≈ 6.5M–10.5M 1.8x vs typical SteamSpy 5M–10M	Est. revenue $70.9M–$190.7M after Steam's cut $129.0M–$293.4M before Steam's cut	$39.99	224k reviews Overwhelmingly Positive	ZombiesSurvival Horror
She Fell Off 2023	Est. copies ≈ 818–1k too small to compare SteamSpy under 20k	Est. revenue Free	Free	33 reviews Mostly Negative	3D PlatformerPrecision Platformer
GRIS 2018	Est. copies ≈ 2.9M–4.8M SteamSpy 2M–5M	Est. revenue $12.1M–$32.5M after Steam's cut $22.0M–$50.0M before Steam's cut	$14.99	96k reviews Overwhelmingly Positive	BeautifulAtmospheric
Resident Evil 3 2020	Est. copies ≈ 3.1M–5.1M SteamSpy 2M–5M	Est. revenue $34.6M–$93.1M after Steam's cut $62.9M–$143.2M before Steam's cut	$39.99	127k reviews Very Positive	ActionZombies