All Monsters
Go to the main menu and hold down A, B, Z,and C and then press +,+,-,- and if done correctly you should hear a roaring sound!
Steady Henodus
An easier way to get pass the henodus mini games is to move at full blast moving upwards and fowards, and when you run out of energy, stop and renew energy so you can move again.
Swim through the air
Take the Nothosaurus to the shallow waters near the beginning of the game. Note: A challenge portals is at this location. Notice the island with a tree. Use Nothosaurus' land walking ability to get on the island, then try to climb up the tree. If done correctly, Nothosaurus will appear in the air while swimming. You can now swim through the air. Note: If Nothosaurus touches water or land, movement will return to normal.
All Monsters...