Here's my first attempt at something in Playmaker that doesn't involve a treasure chest, so naturally I picked a spaceship.

You can watch the video to see that I tried audio in a slightly different way than Nuo did, though both results seem to end up about the same. The spaceship model was a free download, as was the audio and skybox, and I did the terrain and lighting in Unity, adding a blue point light to highlight the spaceship and direct the viewer as to where to go.