In the Game Controller you’ll see the section for customizing the horror sound effects.
This section allows you to alter the ambient soundtrack of the scene, and adjust what what audio gets played throughout the level. The sfx_Random array allows you to set any number of clips to randomly play during the level to scare the player, or increase tension. The Random Clip Delay is a range of time to wait between playing each SFX clip.
We’ve broken down the individual pages in the Game Settings category for each part.
Browse this link for more game settings from the Game Controller.