Steam app 1840 · updated 10 Sep 2026, 17:10 UTC
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.
| Language | Full audio |
|---|---|
| English |
A blank audio cell means full audio was not marked in the returned language list.
Source Filmmaker · June 2026 to September 2026
Every hourly sample, 718 of them, with the daily peak drawn over the top. The saw-tooth is one day: a peak in the evening, a trough before dawn. 2 sample(s) came back as zero between two live hours and were dropped, so the faint line is broken where they were.
The highest number of people in the game at once, each month. Four, because four is as far back as the source keeps anything finer than one figure a month.
18 days, each one the highest figure that day. The source keeps no hourly detail this far back.
31 days, each one the highest figure that day. The source keeps no hourly detail this far back.
31 days as the curve, each the highest figure that day. Behind it, 472 hourly samples from 12 Aug, which is as far back as the source keeps every hour. 2 zero sample(s) dropped.
11 days as the curve, each the highest figure that day. Behind it, 246 hourly samples. Each dip is a night.
