xXleonXx, when your stuck going in 1 direction it means one of your keys are stuck, if your stuck going left just press A a few times. If stuck going right press D a few times. You should know the rest.
WHAT!!! I finished and got every star i could see and i did all the optional ones to but i ended with 220/ 226 stars!!! i read things to try next time and it said to go backwards at start.... i tried it and there were 6 other stars behind me!!