Source Filmmaker
The Source Filmmaker (SFM) is the movie-making tool built and used by us here at Valve to make movies inside the Source game engine. Because the SFM uses the same assets as the game, anything that exists in the game can be used in the movie, and vice versa.
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Estimated lifetime revenue
Free-to-play
Revenue comes from in-game items and microtransactions, which our price-based model doesn't estimate. The player count below is how many people own it, not what they spent.
Est. owners
approximately 1.3M
people who own it
Reviews
44.1K93%
Concurrent players
1.3K
read Sep 27, 2026, 15:00 UTC
Observed peak
1.4K
highest of our readings
Trends
Historical charts
Players1.3K
1.4K1K1.1K1.2K1.3K
Concurrent players on Steam: one reading a day, taken at about 15:00 UTC — a snapshot at a fixed clock time, neither a daily peak nor a daily average.
Showing the last 90 days (the review-based charts: the last 4 monthly points). Full history and CSV export come with a free account.
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