Unlock Monkey
Win seven straight in the Win Contest, then defeat Monkey.

Unlock Dragoon
Win with an undefeated record in Vs COM mode using the normal difficulty setting.

Unlock Gnome 1
Win with an undefeated record in Vs COM mode using the hard difficulty setting.

Unlock Furby
Beat Monkey, then get an undefeated record in the Play Win Contest.

Unlock Gnome 2
Beat Furby, then get an undefeated record in the Play Win Contest.

Hidden Secret Bonus Levels
At the title screen, press the following combination of buttons: B, Left, Right, B. Then, select arcade mode and choose the Another World option.

Go to: Bust-A-Move '99 Info Page | nGaming Home Page.