Reach 100 Points.
Reach 200 Points.
Reach 300 Points.
Reach 400 Points.
Reach 500 Points.
Reach 600 Points.
Reach 700 Points.
Reach 800 Points.
Reach 900 Points.
Reach 100 Points without losing a Life.
Reach 250 Points without losing a Life.
Reach 500 Points without losing a Life.
Reach 1000 Points.
Reach 1000 Points without losing a Life.
Catch 2 or more Cats in the middle of the Maze.
Attack three Cats with one Dog Powerup.
Get 60 Cheeses without changing the Doors, get killed by a Cat or be a dog.
Be a Dog and have four Dog Powerups.
Have four Extra Lives.