From the Super Mario Wiki
Peepa's Fog Bog, or World Star-8, is the eighth level of World Star in Super Mario 3D World. It is unlocked after completing Gargantuan Grotto, and it's own completion unlocks Cosmic Cannon Cluster.
- Green Star 1: North of the first area. The player must defeat a circle of Peepas surrounding Captain Toad to get the Green Star.
- Green Star 2: After the raft ride section, it's inside a Mystery Box to the right. The player must throw a snowball at the Green Star to collect it, otherwise it will vanish if the player is near it.
- Green Star 3: Floating off the side of the dock in the third section. The player must use a snowball or be Boomerang Mario to collect it.
- After the third Green Star, to the right of the speed dash walkway.
Names in other languages
Kiri no naka no teren
||Fantasmirones en la niebla
||Peppas in the mist
||Munten in de mist
||Coins in the fog