basically, i want to make a fun CS map that i can mess around with freinds on, and i want it to be simillar to the Opposing force map (forgotten its name :D) where there is a silo, and a bomb that is released that kills everyone outside.
now obviously i couldnt make a proper map like this, as the first person to set off the bomb would win the round for their team, but what i want to do is something like gas is released, that decreases health slowly, and players have to make it to a slio in time.
Basically i just want to know if there is any way i can make a button A)make all the doors close slowly and B) set off some kind of trap (any will do, i just want to mess around
![:)](http://192.241.182.11/images/smilies/smile.png)
thanks
![:D](http://192.241.182.11/images/smilies/grin.png)
so i was wondering how i could set a