Description: Sci Fi Alien Heartbeat Drone Pulsing Throbbing Ultrasound Sonogram Science Fiction.

Description: Alien Planet Surface Ambience Planet, Alien, Surface, Sci-fi.

Description: Evil Gallow Ambience; Low Evil Bassy Ambience With Strange Deep Metallic Banging Sounds.

Description: Bird Ambience In Cave Heavy Bird Chirps and Squeaks.

Description: Synth Voices Both High And Low Tones Fluctuation.

Description: Space Communication Ambience Alien & Space Transmissions