Sounds by Mike Koenig
Chamber Decompressing (http://soundbible.com/1288-Chamber-Decompressing.html)
Laser Cannon (http://soundbible.com/1771-Laser-Cannon.html)
Ray Gun (http://soundbible.com/1770-Ray-Gun.html)
Space Ship Door Opening (http://soundbible.com/1284-Space-Ship-Door-Opening.html)

Other sounds:
Mandatory Evacuation Sound (http://soundbible.com/1911-Mandatory-Evacuation.html) by Brandon
Siren Noise (http://soundbible.com/1577-Siren-Noise.html) by KevanGC
Strange Alien (http://soundbible.com/2003-Strange-Alien.html) by Msl

Modified by Sophia
