abstract+ action+ adventure+ alien+ aliens+ amb+ ambiance+ ambience+ ambient+ anxious+ artificial+ atmosphere+ background+ bass+ big+ bleak+ cinematic+ creature+ creepy+ dark+ deep+ delusion+ drama+ dramatic+ drone+ echo+ eerie+ effect+ electric+ electronic+ environment+ experimental+ fade-in+ fantasy+ fear+ feedback+ film+ filter+ freaky+ frightening+ frightful+ future+ fx+ game-design+ game-sound+ ghost+ ghosts+ gothic+ growl+ haunted+ horror+ loop+ machine+ metal+ monster+ movie+ noise+ ominous+ outer+ pad+ phantom+ processed+ role-playing-game+ rpg+ rutgermuller+ scary+ sci-fi- science-fiction+ scifi+ screech+ sfx+ shriek+ sinister+ sound+ sound-design+ soundesign+ soundscape+ space+ spaceship+ spooky+ squeak+ strange+ suspence+ suspense+ synth+ synthesizer+ tension+ terrifying+ terror+ texture+ thrill+ thriller+ time-stretch+ time-warp+ transition+ ufo+ video-game+ voices+ weird+ wind+