Ant Trooper Hill

Ant Trooper Hill, otherwise known as World 4-1, is the first course of World 4 in Super Mario 3D World. It is unlocked via completion of A Banquet with Hisstocrat, and its own completion unlocks Piranha Creeper Creek.

Green Stars

 * Green Star 1: Immediately after the cave, the player must use the cat form to climb a wall in order to obtain the first green star.
 * Green Star 2: After the checkpoint, there is a Warp Pipe nearby the spiked grounds that leads to a room with Ant Troopers and the green star.
 * Green Star 3: Near the end, the third green is in plain sight in the spiked area.

Stamp

 * Inside the cave, the stamp is located above a wall infested with Ant Troopers.

Enemies

 * Ant Troopers
 * Horned Ant Troopers
 * Big Ant Troopers