Mega Drive: Bio-Hazard Battle ST-09 The gameplay is similar to

The gameplay is similar to that of Puzzle Bobble/Bust-a-Move

Onscreen indicators inform you what pitch you need to maintain at any given time

but can be fatal to humans in large concentrations

The combat comes in two forms

Game Boy Advance and Mac OS X released in 2002

Mega Drive: Bio-Hazard Battle ST-09 The gameplay is similar toThe civilization on the planet Avaron is by far more advanced than that of the Earth. People developed special biogenetical creatures giant flies, crabs, and other animals. Unfortunately, those monsters rebelled against the Avaronians and threatened to conquer the planet. It is up to you to save the planet Avaron from the invasion! "Bio Hazard Battle" is a horizontally scrolling space shooter. You can choose one of the four ships, each one having its