i want to know how i can add score system like... like some score bar all char will have and if i make it 100% then some for chat or option unlock???

Hi, it's possible with Unity UI components and the values can be controlled within naniscripts by using custom variables and variable triggers.

Here are some useful resources:
https://www.youtube.com/watch?v=BLfNP4Sc_iA
https://naninovel.com/guide/custom-vari ... -variables
https://naninovel.com/guide/custom-vari ... e-triggers