Dream UniVRse demo uses these sounds from freesound:

• digi buzz.flac by Timbre (link)
• Game Sound Correct.wav by Bertrof (link)
• Analog Alarm Clock by bone666138 (link)
• Ticking Clock, A.wav by InspectorJ (link)
• Cash Register by kiddpark (link)
• Chopping Wood_01.wav by CGEffex (link)
• GunClick.mp3 by Yap_Audio_Production (link)
• Jingle_Win_00.wav by LittleRobotSoundFactory (link)
• Meat Slap 1.aif by MWLANDI (link)
• Loud TV Static.wav by 18hiltc (link)
• bubbling01.wav by MattJ99 (link)
• One Blast Whistle.wav by tommon (link)
• Crowd_Booing by unchaz (link)
• Barça goal 04-2006.mp3 by jordiroquer (link)