first: what i can create a sky? i dont know 
second: what i can create a dynamite objective? i create all from tutorials but its only Breakable Object


3. what i can create a slippery terrain??
HELP!
3 problem with radiant
radiant
(radiant)
#1
_DeaD_SLOTH
([DeaD]-SLOTH-)
#2
-
make a box around your map and shift+alt+ctrl all the inside sides and texture them with sd_batterysky
-
use the common/slick texture
jkfloris
(jkfloris)
#5
read http://www.splashdamage.com/forums/viewtopic.php?t=2417
I warn you, you need scripting
so first I recommend that you play with gtkradiant and that you
can make a room with a door etc.

