ocr: HINTS The square bubbles behave in a difterenf way fo the round bubbles. Learn fo spof the difference. Don't fap the confrol keys, prexs them slightly early, and hold them down. Mr Pactord will only acf on the confrols when he is fouching the ground. Learn to think ahead and be already holding the required confrol down when he lands. Try to collecf the X's for extra points and codes.