Certain props missing on ingame test

Startacker!

WANT ME TO BE REAL? MAKE ME.
aa
Jun 15, 2013
647
1,197
What entity are the rocks?
 

Startacker!

WANT ME TO BE REAL? MAKE ME.
aa
Jun 15, 2013
647
1,197
Don't use that entity. It's primarily meant for manually placing Detail Props, which for the most part, you won't need to do. Use prop_static instead