Special Commands[edit]
At the title screen, do the following inputs to achieve a corresponding effect:
Zone Select[edit]
Press 
on first controller 33 times, then 
on second controller 22 times, then use first controller and while holding and 
, press 
. After that, use while in game to warp to next zone.
Note that this zone select has an independant counter, such that each time selecting will only move to the next zone of last warp. For example, if one selects Zone 6, moves to Zone 8 normally and uses zone select again, the result will be Zone 7 instead of Zone 9.
Invincible[edit]
Press on first controller 33 times, then while holding ( and 
on first controller) and (, and 
on second controller), press on first controller.
Unlimited Lives[edit]
Press on second controller 11 times, then on first controller 22 times, then on first controller.