OK. So you have to know from the very beginning that there are several games on the tape and know their tape positions, i.e. where they start from, in advance? Or were there no such tapes with multiple games in the past and this 10-piece collection is more or less a tape especially for emulators?
To load a tape, simply insert the tape, rewind it, then type LOAD and hit return, or hit the shift-run / stop key combination.
If a tape has more than one game on it, rewind it, type LOAD “7”, 1 and hit return. As the computer finds files, it will print the names. To load a specific title, type LOAD “filename”, 1 and hit return, then type RUN .
That's how to load Commodore 64 games from tape.