Unlockables:
Unlock the following bonuses by performing the corresponding tasks:
BONUS – HOW TO UNLOCK
insane mode – clear the game on normal or hard
jukebox tracks 1-6 – get 10000 points
jukebox tracks 13-16 – get 25000 points
jukebox tracks 17-20 – get 50000 points
jukebox tracks 21-24 – get 75000 points
jukebox tracks 7-12 – get 15000 points
new costume – get 5 gold ranks
new costume – get 40 gold ranks
new costume – get 30 gold ranks
new costume – get 20 gold ranks
new costume – get 10 gold ranks
new page in the gallery – never lose a tower
new page in the gallery – stomp 25 bugs in a level
new page in the gallery – kill a boss in under 2 minutes
new page in the gallery – only use pea shooter (don’t upgrade or stomp)
new page in the gallery – kill all scorpions in a level
new page in the gallery – defeat a centipede before it burrows