Ant Trooper Hill

Ant Trooper Hill, or World 4-1, is the first level in World 4, and the twenty-third overall. It is a course with ants. It's pretty straightforward.

GS 1: Right before the bridge, climb up the right wall for the Green Star.

GS 2: after you encounter the big Ant Troopers, go down the pipe and climb up to the Green Star. Remember that when climbing as Cat Mario, you can hang in one place, unlike real cats, who can't even climb.

GS 3: The final Green Star will be in plain sight.

Stamp: The stamp, which is an Ant Trooper, is in plain sight.