Glass floor was a worse (or more amazing depending on your view) version of this kind of map. As the name implies the entire floor was glass panels and suspended over a giant pit with a very ominous look. You could see and fire almost anywhere, including down on the glass as people ran towards you, shattering the panels and watching them drop to their death. But you had to move yourself because everyone else could se…
Edit: not that nades aren’t useful in vanilla cs, but they perform a different fucntuon