“Pang , originally released in Japan as Pomping World and known in North America as Buster Bros., is a 1989 action game.
There are 50 stages at 17 location.
The stages start with differing numbers and sizes of balloons. The largest balloon divides for the first three times it is popped; after the fourth and smallest balloon is popped it vanishes. Each player starts with a single harpoon. When a balloon is popped, special weapons may drop down.”