You can use a few power ups in Pac Xon that help you in the levels: - Yellow Candy - Ghosts are afraid of you and you can eat them - Cherries - You move faster - Orange - You move slower (this is more a power-down - Strawberry - Ghosts stop moving for a while Use these power-ups wisely and in your advantage!
You must fill the empty space and capture ghosts while building a wall. As soon as you fill 80% or more empty space you will go to the next level. Beware of the ghosts, if they catch you you will lose a life.