Rolo To The Rescue
Cheat mode:
Hold A + B + Up/Left at the title screen
and reset the Genesis. Release the buttons and press B
when the title screen re-appears. Unlimited lives, invincibility,
level select, and other options will appear.
Level skip:
Pause game play and highlight the "Map" icon. Then,
press A + C.
Extra lives:
Locate the man with the keys to the cages on level 1. Jump
on his head and rescue the rabbit in the cage. Press Start
to play as the rabbit. Move left to the beginning of the level.
Jump up and collect the extra life. Press Start to display
the map. Select the level 1 and collect the extra life again.