Two Site Three Eat the dots and avoid the ghosts, eat a flashing power pill then chase and eat the ghosts. Also eat any bouncing fruit for extra points. That's about all there is too it really. Eating a '.' is worth 10 points, power pills 50 points. Ghosts score 200,400,800,1600 eaten in order.
Fruit are worth various points, fruit appears in sequence until all the fruit has appeared.
Then a random fruit may bounce out into the maze.