Complex sentence: Between each mission, there is a bonus stage seen from the character's perspective as he tosses shuriken at enemy of ninjas dropping down from a building; the player is awarded extra lives after successfully completing bonus stages.
Split into simpler sentences: Between each mission, there is a bonus stage seen from the character's perspective as he tosses shuriken at enemy of ninjas dropping down from a building. The player is awarded extra lives after successfully completing bonus stages.