Unity rendering correctly in editor, but incorrectly in build.

Questions & Answers
1

I have an assignment and I have done it correctly. when I go in Unity editor, unity renders the game perfectly (see below), but in build it renders the skybox only. (see below).

Editor
Die Zombies, die!
Standalone Build
What the?!
Render Settings
Render Settings
[78739-output-log.txt|78739]

2

Please reply A. S. A. P.