The various different Global OneShots are attached to different SoundSets and will appear once you install them.
In the Fantasy Player:
The swords and arrows are in “High Seas Battle”
The cheesy musical stings are in “Stony Beach”
The Wilhelm Scream is in “Tavern Brawl”
The Modern guns and explosins are in “Modern Weapons”
In the Sci-Fi Player:
The Flamethrower is in “Insectoid Hive”
The “Small Arms” & “Automatic” weapons fire are in “Giant Sandworm”
The Airlocks are in “Alien from Alien”
The Wilhelm Scream is in “Alien Cantina”