THIS IS NOT MY FPS IN-GAME! READ THE DESCRIPTION
What I did was recorded myself shooting explosive barrels using "record". After that I binded "host_framerate 30; startmovie barrels avi" to B. Played the demo (playdemo), and pressed B as soon as it loaded. I had to run in windowed mode for the codec selection window to pop up.
It took about an hour to record.
What this does is record each frame, and save as an avi file. If you did host_framerate 30, it'll play at 30 FPS. So any computer can do this.
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