Lizard

					
Big Head Mode:

To give your lizard a big head while in-game, hold up on the directional

pad then press A to jump, then let go of the directional pad. Now hold

down on the directional pad then press A to jump.
After repeating these two combinations three times, a chime will be heard

and your characters head size will change.
To revert to a regular-sized head, simply repeat these steps.
Diagnostics Zone:

To enter Diagnostics Zone, pause the game, then on the directional pad

press and release down, up, then left. Afterwards press and hold left

on the directional pad while pressing select.
If done correctly you will be warped to a Diagnostics Zone room, where

you can look at game statistics, change coin and flag statuses, as well

as change your lizard.