Intruder Signal Threat Energy Swell Dense

Downer, Machine Wind Down, Power Off, Energy Loss, Dive Bomber Dance, Three Versions

Slow Eerie Whoosh, Ghostly Sweep, Low Pitch Mechanical Monster

Sci-Fi Siren, Distant Reverberant Whine, Clean Layered Tones, Ascending and Descending Pitch, Sustained at Up

Alien Time Warp, Big Flanged Buzz and Roar

Blast Deflector, Hydraulic Release, Metallic Drop, Airy Whine, Thumping Impacts, Humming, Reverberant Hits, Three Versions

Deep Synth Drone, Pulsing Sub Rumble, Constant

Descending Gliss, Soft Bursts of Reverberant Chimes, Glowing Tones, Shimmering, Squeaking Whines, Many Versions

Eerie Tone, Bright Electronic Drones, Glittery, Suspenseful, Mysterious

Eerie Tone, Dark, Foreboding Drone

Eerie Tone, Bright Electronic Drone, Shimmery, Mysterious, Magical, Resonant