How much revenue did Filament make?

$88k–$238k after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Filament sell?

Q: How many copies did Filament sell?

19k to 31k copies, based on its 763 Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 19k–31k; $88k–$238k after Steam's cut $161k–$366k before Steam's cut; from 763 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 Filament and predicted how it would do from its 8 similar games. Every figure here, including Filament's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 3.2M–18.2M

best case 38.8M (Portal 2)

Games like Filament

A typical game among these

≈ 3.2M–18.2M copies

≈ $35.4M–$83.2M after Steam's cut

from ~81k 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: 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 Story Rich (7 of 8) and First-Person (6 of 8).
The winners: Winners here lead with Platformer + Puzzle, priced around $10.
When they shipped: The similar games span 2004 to 2020, 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
Portal 2007	Est. copies ≈ 12.6M–20.5M 2.5x vs typical SteamSpy 10M–20M	Est. revenue $34.6M–$93.1M after Steam's cut $63.0M–$143.3M before Steam's cut	$9.99	199k reviews Overwhelmingly Positive	PuzzlePuzzle-Platformer
Portal 2 2011	Est. copies ≈ 29.5M–48.0M 5.8x 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
The Talos Principle 2014	Est. copies ≈ 1.9M–3.0M SteamSpy 1M–2M	Est. revenue $15.3M–$41.1M after Steam's cut $27.8M–$63.2M before Steam's cut	$29.99	33k reviews Overwhelmingly Positive	PuzzlePhilosophical
Half-Life 2: Episode Two 2007	Est. copies ≈ 2.6M–4.2M SteamSpy 5M–10M	Est. revenue Free	Free	41k reviews Overwhelmingly Positive	FPSAction
Half-Life 2 2004	Est. copies ≈ 17.7M–28.8M 3.5x vs typical SteamSpy 10M–20M	Est. revenue $48.6M–$130.7M after Steam's cut $88.4M–$201.1M before Steam's cut	$9.99	280k reviews Overwhelmingly Positive	FPSAction
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
Half-Life 2: Episode One 2006	Est. copies ≈ 2.0M–3.2M SteamSpy 5M–10M	Est. revenue Free	Free	31k reviews Overwhelmingly Positive	FPSAction
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