To make a artificial Eggy just go to a stage where the screen freezes when catching something or pressing a switch, go for one remote bomb and before you press the switch or catch something set a remote bomb, and move it one centimeter before you get the thing or press it.Then,explode the bomb and immediately get or press the thing to make a artificial eggy.
Beat Hard Mode with 120 Gold Cards in under 3 hours
Clown Mask, Karate wear, Clogs, and the Boxing gloves
Beat the game in three hours or less
Gold Visor, Gold suit, Gold Gloves, and the Gold boots
Beat the game in three hours with 120 gold cards
Fan, High heels, Shogun Kimono and the Samurai Head
Collect 120 gold cards
View Credits Anytime in Options
Complete game with 100 Gold Cards
Rainbow Palace World
Complete game with 100 Gold Cards
Sound Test
Complete the game in the Adventure Mode on Normal difficulty
Full Power Option
Complete the game with 120 Gold Cards
Unlock 4 Secret Stages
Get 120 Gold Cards
1/9/2006
All gold costume
Get the five secret hidden question marks.
12/8/2006
Getting the four extra battle stages
Instead of collecting 120 gold cards, on the main menu, you can press the "Start" button extremely rapidly until you hear a chime. The four extra battle stages are now unlocked until you reset or turn off the game.