Block enemy fire:
Stand still and press Square to use Zeeo's shield to block incoming enemy fire.
Select Profiles from the Main Menu screen, and select "Create Profile" then enter any one of the following cheats.
|B0BAF3T||Health refills when depleted|
|JD1MSTR||Unlocks all levels and health refills when it becomes depleted|
|HANS0L0||Unlocks all levels.|
Thanks to Revolution Reader archarchon and Justin!