Collect the said amount of crystals to unlock the given ability/access.
Puzzles 1-20: 20 crystals
Puzzles 21-40: 40 crystals
Tiny Spyro: 43 crystals
Disco Palette: 45 crystals
Permanent Zoom Mode: 48 crystals
Maximum Powers: 51 crystals
Inifinite Breath: 54 crystals
Invincibility: 57 crystals
Cynder Character Skin: 60 crystals
Arcade Mode: Finish the game
Ice always freezes, so if you ever get surrounded by beetles cynders army, etc. use ice shile and drag your stylus to throw the frozen enimies into other enimies... hope this helps
also in the volcano, the fire type enimies the freeze time is less than normal...
When you use your breath finisher (y,y,y,b,a) and your in electric breath you will conjure up a movable electric storm to kill enemies painfully