Kirby: Nightmare in Dreamland

Get Extra Lives
To get extra lives, go to previous doors and look for sub-games in other levels:
1st place gives you 3 lives.
2nd place gives 2 lives.
3rd place gives 1 life.
4th place gives you nothing.
(Thanks to kirbyshadow@hotmail.com)

Unlock Boss Mode
Beat the game once.
(Thanks to kirbyshadow@hotmail.com)

Unlock Extra Mode
Beat Adventure Mode with a 100% rank.
(Thanks to kirbyshadow@hotmail.com)

Unlock Meta-Knight Mode
Beat the Extra Mode with a 100% rank.
(Thanks to kirbyshadow@hotmail.com)