How many copies did Source Filmmaker sell?

An estimated 2.3M to 3.7M copies, based on its 43k Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did Source Filmmaker make?

Source Filmmaker is free to play, so there is no copy-sales revenue to estimate.

How big is Source Filmmaker?

Estimated owners: ≈ 2.3M–3.7M; from 43k reviews (Very 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 Source Filmmaker out and predicted the genre from its 8 similar games. Every figure here, including Source Filmmaker's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 212k–755k

best case 5.4M (Blender)

The Software lane

A solid, mid-sized genre: most sell around 446k copies.

A typical game

≈ 446k copies

≈ $5.7M after Steam's cut

from ~8k reviews

Best case

≈ 5.4M copies

Blender

from 89k reviews

Copies and revenue are rough lifetime estimates from the review count; typical figures are medians per column, so they can come from different games.

The lane you'd be entering

Winners here lead with Animation & Modeling + Software, priced around $10.
The games you compared span 2006 to 2021, a lane with a long track record.
A typical game here lands in Diamond ($1M+ before Steam's cut, est.). Tiers: Chris Zukowski's benchmark tiers.

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Blender 2015	Est. copies ≈ 4.1M–6.7M 11x vs typical SteamSpy 5M–10M	Est. revenue Free	Free	89k reviews Overwhelmingly Positive	Animation & ModelingSoftware +6
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FlatOut 2 2006	Est. copies ≈ 1.1M–1.8M 2.6x vs typical SteamSpy 500k–1M	Est. revenue $3.1M–$8.4M net $5.7M–$12.9M gross	$9.99	22k reviews Overwhelmingly Positive	RacingCombat Racing +6