Hula Balua offers several exciting bonus features. These include the Sticky Redrops feature, where matching symbols become sticky and additional redrops can be awarded. The Multipliers/Big Symbols feature allows matching symbols to merge into big symbols, generating multipliers. The Elmo Wild Drops feature introduces random wild symbols placed by Elmo during each redrop. The game also includes a Bonus Game triggered by bonus symbols, offering free drops with the potential for big symbols and additional free drops.