Hi I want to stop my game (stopping entities AND functions) so I use freeze_mode = 2. But I still want to move the mouse, how can I realize that?

Using freeze_mode = 1; just freezes anything ENTITY or particle related why can't you use that, it sounds like what you want.

But it does not stop the game related function (Getting money per second, time counter continues,...)

I now use a pause variable to fix all this.

just set the my pointer of the functions you want to pause to nonzero (1 eg.)
Now you can freeze them using freeze_mode = 1, as freeze_mode freezes every function/action with a my pointer which is nonzero.

edit:
this was atleast possible with C-Script, not sure if it still is with Lite-C