Collect the flag at the end stage 1
Collect the flag at the end of stage 2
Collect the flag at the end of stage 3
Collect the flag at the end of stage 4
Collect the flag at the end of stage 5
Make it to the cake
Finish stage 1 without getting hit or restarting from the midpoint flag
Finish stage 2 without getting hit or restarting from the midpoint flag
Finish stage 3 without getting hit or restarting from the midpoint flag
Finish stage 4 without getting hit or restarting from the midpoint flag
Finish stage 5 without getting hit or restarting from the midpoint flag
Finish stage 6 including the boss without getting hit or restarting from the midpoint flag
Get 10 or more bounces on the credits
Get 20 or more bounces on the credits
Get 99 blobs of ammo
Get 50 or more lives on the credits screen
Finish stages 1-1 to 1-6 without any deaths (Save the castle for last)