this is just like any other game of pong. use the mouse to move the polar bear. you might have to press the green flag more than once though.you can use mobile too.
thanks to georgierowe08 for all of the codes all i did was import them into this. she said it was ok to do so. also check out georgierowes other games at https://scratch.mit.edu/search/projects?q=georgierowe08 .