1. Put a target_speaker in your map.
2. Check the "looped_on" and "global" spawnflags.
3. Set the "noise" key to the value of the filepath/name of the file to play. It must be a .wav file with mono sound.
LCDLC Mapmaking Dept.
Maps finished: Hellhouse, Sorry, Worrior 1-20
Maps modded: CubeOrigin
Maps in release candidate: Blockforts, Cannons 1, Hotzone, Icecastle
Maps in beta: Arctica, Cannons 2, Cerulean-River, Igloo, Skygarden, Spacestation
Maps in alpha: Merlin, Totem