Complex sentence: There is a total of 5 worlds and 25 levels, each world has a boss fight at the end in which Bomberman must expose the bosses weak points and bomb the boss until it has no health left.
Split into simpler sentences: There is a total of 5 worlds and 25 levels. Each world has a boss fight at the end in which Bomberman must expose the bosses weak points and bomb the boss until it has no health left.