No lightmap, it looks to flat if you ask me.
I like the weather effects, though.
It seems that the level comes from wetain:

Quote:


"2008-02-15 weinhold
NEW:
* added improved overlay material for all trees
CHG:
* changed start/help screen
* removed water splash speed from the rain effect
* changed splash creation technique


2008-02-14 weinhold
NEW:
* initial commit"






no science involved