World 5 (New Super Mario Bros.)

World 5 of New Super Mario Bros. is a typically snowy level. It has one Tower, meaning one Bowser Jr. fight. It also has one ghost house.

The boss here is Petey Piranha, yes, he came all the way north from Isle Delfino! Defeating him allows acsess to World 6.

Enemies Introduced

 * Broozer
 * Snow Spike
 * Snailicorn
 * Spike Top
 * Buzzy Beetle