Cresnet Island
Choose test 1 and turn 45 degrees to the left. Fly low above the village. When you past the village, watch the big cave along the coast. In it, there is another star.
Ever Frost Island
Choose test 1 and fly ahead and cross right towards the waterfalls. In the top of one of the falls, there is a secret entrance. When you follow this entrance you will bump into a star.
Holiday Island
Fly straight ahead until you reach the coast at the other side of the castle. Somewhere there is a rock with a bend in the sea. Underneath it, there is a star.
Little States
Go to New York with the statue of liberty. In the central there is a little park and here you will find another star.
Star Locations
On each island of Pilotwings a yellow star is hidden. When you touch this star you will appear as BIRDMAN.
To get to a star easily, get the ROCKET BELT in all levels. Here are the locations of the stars:
Wario Cameo
When you see the replica of Mount Rushmore on the Little States stage, shoot at the giant Mario face with the Gyrocopter missles or the cannonball shot. If you hit him, the face will change to that of Wario.
Warp from Seattle to Florida
In Seattle, there is an airport hangar with its door open. If you go inside it with any vehicle and come out, you will have warped to the Space Center in Florida. You can also warp from Florida back to Seattle.