Click see inside and change the questions and costumes to your needs. The first three have been done as an example, although it is strongly recommended that you change those as well. Make sure you read the inside comments! By the way, it's easy to change the maximum amount of questions, so if 20 doesn't fit your needs, then feel free to change it.
Thanks to stemcelfresh for the background! Please give it a remix! Here's an example by me: https://scratch.mit.edu/projects/606129843/ Here's another example by stemcelfresh: https://scratch.mit.edu/projects/492482756