If you ever collect a feather, you could fly with it. This cheat will show you step by step instructions on how to fly.

Requierments (mandatory):

1. Get a cape
2. Go to a wide, non-wet destination.

Suggestions (optional):

1. Choose Luigi. You won't have to suffer any weight pushing you.

Steps

Now that your in a wide destination, run! Run until your character spreads their arms out. Jump, don't do anything and on your D-pad, press the left arrow to rise higher. There you go.