One thousand demons

 

1000 ships sunk

Invulnerable

 

All episode levels completed with 3 stars

Top marks

 

Level completed without using more than 5 towers

Favorite tower

 

All improvements purchased on a single tower

Warlock

 

One spell improved to maximum level

Strike me down!

 

Level failed 3 times in a row

Last chance

 

Level completed with last remaining life

Sea dog

 

Level completed in fast mode

Long John Silver

 

Only one enemy ship attacked the outpost gates during the level

Magic storm

 

200 spells cast