- S: atomsphere.wav by THE_bizniss | License: Attribution
- S: Artificial Simulated Space Sound 08 by Jagadamba | License: Attribution
- S: Tripod, Horn Blast, Single, 01.wav by InspectorJ | License: Attribution
- S: haazlesaa02.aif by tim.kahn | License: Attribution
- S: space bloop.wav by Chriddof | License: Creative Commons 0
- S: w4.5 b2 3 submarine.wav by ERH | License: Attribution Noncommercial
- S: Sonar Dual Ping by paulnorthyorks | License: Attribution
- S: Electric-Woosh-Scifi by Wakerone | License: Creative Commons 0
- S: Ambient001 by mitchelk | License: Creative Commons 0
- S: alienicer.aif by LogicMoon | License: Attribution
- S: Space Flight Sound Effect by NicknameLarry | License: Creative Commons 0
- S: Bug bung.aif by 303creative | License: Attribution
- S: soft-blip-E Major.wav by newagesoup | License: Attribution
- S: Space Ship Sound by Linkis20 | License: Creative Commons 0
- S: Electric-Woosh-Scifi by Wakerone | License: Creative Commons 0
- S: Sci-Fi-X-02.wav by Michael-DB | License: Attribution
- S: Strange Texture by Hard3eat | License: Creative Commons 0
- S: Flipping through pages 2 by vladnegrila | License: Attribution