Reach 2x Combo!
Complete Stage 3 in Arcade Mode
Shoot a swimming Goldfish two times
Reach 750 score in Arcade Mode
Complete Stage 2 in Arcade Mode
Reach 500 score in Arcade Mode
Reach 250 score in Arcade Mode
Complete Stage 1 in Arcade Mode
Reach 150 score in Arcade Mode
Kill a Chicken
Kill a Ghost