Piranha Pipe Galaxy

Piranha Pipe Galaxy is the first Galaxy you ever play. It is full with puzzles and pipes. And it has a boss that is known as Parasite Piranha, who is fought on the first star.

Stars/Green Stars
Star 1, Parasite Pests!: After flying to a pipe, Mario enters it as it begins the adventure. He is taken to a sewer-like pipe with Fire Piranha Plant