Olimarrrrr

Press W,A,S,D to move the camera. Press↑,↓ to adjust camera height.

Click pikmins to select them. You can only select one pikmin at a time.

There are 2 types of obstacles:

Type1: only pikmins with same color with them can pass

Type2: pikmins with same color can destroy them

The cross stops pikmins falling from the edge.

I used raycast for the falling mechanic. When a pikmin moves to the edge, the raycast with detect a plane below. The Navmesh would be disabled and rigidbody would be activated. Once it falls on the plane below, Navmesh will be reactivated.