Option
From BotF2-Wiki
From Menue it's possible to come to Options Panel
Graphics Options
These options can be changed before Starting Game or while the game is running:
Music & Audio
At the moment only volume can be set here (or set it with PC speaker volume).
For music itself see here
Updater Options
This function isn't available at the moment and so it isn't shown at all. In previous versions it might be shown.