Here are some cheats and tips for the game Maximo.
Gallery mode:
Collect the Sorceress kiss at the end of each level.
Seat each of the four kisses to a power-up position.
Once the game is completed, the art gallery will be unlocked.
Mastery mode:
Have a 100% mastery ranking at the end of the game for
all levels except those in the Hub.
To master a level, you must kill every enemy and find
every hidden chest.