fantasy, as in something you can't see in the real world, after this you should realise that all other map types, should be as realistic as possible.. and yes FY usually stand for a crap map
de - bomb/defuse
cs - hostage rescue
fy - fight yard
aim - combat/skill
awp - sniper war
dm - deathmatch
ka - knife arena
he - grenade war
as - assasination
es - escape
"Hey Scott. It's Dougal. Can I have my hair from the 1980's back?"
i dont think there are any climber maps for source yet due to the way the new engine broke the way climber maps were based on. i hear the makers of the climber maps are creating their own mod so we can enjoy climber maps in source.