The main thing is to do a kickflip on flatground BUT if you want to push it further and do a kickflip down some stairs you might win some Steem.
It's your choise if you will try the bonus challenge. You won't get a letter ififeither you don't either it will affect the game.
The main thing is to do a flatground kickflip.
I'll be uploading my entry soon so you can check it out and see what I mean.