I assume you're using C2 because you want to make games. That is, YOU want to make them, not have other people make them for you. Asking so blatantly for an example .capx (which probably is out there somewhere if you really looked), and quickly dismissing a popular tutorial because "one part of it doesn't work"... Tell me, are you going to succeed with that attitude? Ask more of yourself. If you really need help, ask for help. Don't ask for people to work for you (unless you're willing to pay).
Anyway, I literally searched "high score construct 2" in google and I found this, top result: