
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.
Only Proton reports exist so far.
Last report Dec 16, 2025
27 reports · Low confidence: recent reports disagree on the outcome.
No native Linux build — Proton only
No anti-cheat reports yet
Most of this is historical ProtonDB data (newest from Dec 16, 2025) and needs a fresh report to confirm it still holds.
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