Yogstation 13 - Modules - Types

code/modules/awaymissions/cordon.dm

/area/misc/cordonArea used in conjuction with the cordon turf to create a fully functioning world border.
/turf/cordon/secretThis type of cordon will block ghosts from passing through it. Useful for stuff like Away Missions, where you feasibly want to block ghosts from entering to keep a certain map section a secret.