Go to the World Map and hold the SELECT button, and then press: Up, Right, Down,
Left. Next, click on the BIG SECRET and go to "Capture Invizimals". You'll need special
images to attract the four secret Invizimals.
When you beat all the levels go to mumbai and fight nomad first your going to figh a zaphyra then you fight nomad again and this time its going to be a regular tiger shark then fight nomad one more time and its going to be a mutant tiger shark sometimes its not going to be in this order so just repeat the process until you fight the mutant and win it.