S.O.S. Batisuko-Fu! is a 1980s Space Invaders-esque video game in which you take control of what appears to be a miniature submarine and either drop depth charges onto, or launch rockets upward into, what can only be described as 'crabs.' The bottom of the playfield shows four pits which act as volcanoes which erupt if left unchecked or are 'bombed' by your sub.
It was created by T. Tabeda, and a ROM port exists which was encoded in 1992 by "Wani".
References
S.O.S. Batisuko-fu Wikipedia(Text) CC BY-SA