Description: ambient sound effect. can be used for sci-fi. echo and tremolo.

Description: sci-fi swishing sound. lots of treble.

Description: sci-fi bomb going off.

Description: alien insects. lots of vibration. like night sounds.

Description: sci-fi wah-wah, with doppler. kind of like a swishy siren.

Description: could be alien insects.

Description: reverse sound effect, two up.

Description: sci-fi swooshing noise. like a pass-by.

Description: sort of robotic and fast.