Pac Attack

Pac Attack is a Windows game that I'm learning to do through Unity's 2D Catch Game Tutorial. Still a Work in Progress. Let me know what you think should be the goal of the game. Should Pac-Man get a certain number of white pellets to win the stage and go to next stage, where the pellets go faster and faster. Or should Pac-Man be avoiding those white pellets and only be trying to eat maybe Cherries that fall, that are healthy for him? Open to ideas.