Rampage: World Tour
Hold down Select and press Up, Down, Left, Right, Down, Up at the
options menu . The "Players 1 or 2" option will be unlocked, which
allows the two player mode to be played on two Game Boy Color
systems using a link cable.
Play as Tiny:
Select Ralph as a character, then intentionally die. Then, quickly
press Select, A, B(2), Up, Down, Forward, Back after transforming
into a person.
Glitch: Float in mid-air:
Hit a neon sign just as the building that your monster is standing
on begins to collapse. If the building falls down while your
monster is still being shocked, it will remain in mid-air.