Dinotopia Cheats for Gameboy Advance
This cheat can be enabled at the 'Title' screen by pressing Down, Down, Up, Up, Right, Left, B, Right, Left, A. Then to skip a stage pause gameplay and press 'Select'.
Unlock level select -
At the title screen press:
Up Up Down Down Left Right A Left Right B Start
Then select the Credits option and let them complete.
You will then see a screen
with ladders which are used to access various levels in the game.