Rescue the following amount of Spritelings to get different castles in the ending.

Ending	How to unlock
1- Hut	Rescue 1 Spriteling.
2- Wood Castle	Rescue 2-10 Spritelings.
3- Stone Castle	Rescue 11-20 Spritelings.
4- Shinny Castle	Rescue 21-30 Spritelings.
5- Gold Castle	Rescue 31-39 Spritelings.
6- Best Gold Castle	Rescue 40 Spritelings.