[pizzahut]

Yes, players who have it bound already don't need it, but it doesn't do any harm for them either. On the other hand it's useful for players who don't have it bound.

es_ maps? Are you thinking Counter-Strike as_ maps? Escape maps are these for example:

arcticescape_r
area49
artifact
colonyx_r
egyptian_escape
jurassicpark
k_thegame
militia_beta
nightshift_r2
planet3c_r
run3_r
shipwrecked
smurfescape
the_damned

There are often dark (unlit) areas in these.