Blue Cave, as it states, it's mainly a long, dark cave that is mainly blue in color thanks to the water and the color of the rocks.
The main objective of Blue Cave is to reach the end of the level. Blue Cave is pretty straightforward to clear but the items that are needed to be collected to get the target score are near some tricky areas that require patience. After clearing Blue Cave, White Bomberman can access Hole Lake.
There are no Adok Bombs present in this level.