Scooby runner helps Daphne

The story is about Scooby the fearful dog who has to raise some courage and bravery to rescue the beautiful Daphne, because his owner and Daphne's lover, Shagy, is in big trouble in his turn. So Scooby is concerned to solve everything and to turn it out to the normal stat.
So are you sure that you can make this coward defeat all the beasts, pass all the obstacles, and win the stages ?
That isn't the only things Scooby has to do: he has also to collect coins, to success levels with good rating, and to earn super powers.
Do you think Scooby is able to afford all this challenges ?