Bubble Bobble Part 2 [Model NES-BQ-USA]

Bubble Bobble Part 2 © 1993 Taito America Corp.

North American release. Game developed in Japan. See the original Famicom version for more information: Bubble Bobble 2 [Model TFC-BB-5900].

Description from the US back cover:

A new breed of heroes!
Cubby and Rubby, descendants of the famous Bubby, must battle the Skull Brothers and their army of fiends to rescue a friend in danger. Fortunately, our dinosaur heroes can blow bubbles that will destroy their foes. They will rain fire, floods and tornado.