The topic I've made before is probably much too old to bump, if I made one... can't remember.
Basically, it's an expanding mass of bricks that kill you on touch, covering wherever it can.
Possibly add options like making it so conventional damage could work, rather than just a specific spray, option for damage it deals on touch...
The classic one all the way back when Maps were a thing was fun to use, and the Super Creeper someone made has its own issues...
