Model become invisible when press P

Hello, i’m facing problem with my game… i’ve created enemy model but when i pressed P the enemy model become invisible.
any way to fix this issue?
curently im using Blender 2.75a

Before i press P :

After i press P:

here’s the file :
game.blend (5.48 MB)

You set the object to be non renderable

thank you sir… very helpful :slight_smile: