Sources:
"Simplicity" by BBnGAR http://youtu.be/6xSG3QnhSls
"Space Tunnels Project" by 9D http://youtu.be/9PZeRA7Q3TI (http://www.nicovideo.jp/watch/sm22460098)
"Complexity" by Remyrue http://youtu.be/kLrUAIh8V4U
"Sponge Tunnels" by MindCracked http://youtu.be/fOFjEv8_E0s
"IRL Anime Cossplay vid ( ͡° ͜ʖ ͡°)" by Arcoviso http://youtu.be/aU391hD1OL4
"Republicity" by OHMYItsGODzilla http://youtu.be/-K_QDXNhGHU
"Partylicity" by Ray's Alt http://youtu.be/akIEeBehF4Q
"The perfect world of the KEY" by tchii79 http://youtu.be/5BSET0PwmuI
"Sigga Tunnels" by KiwiStalomeAlt http://youtu.be/f1XHp9gyk2Y

BGM: SnD - Space Tunnels 3Dcrk (aka Keyg - Simplicity) http://keygenjukebox.com/?i=SnD_-_Space_Tunnels_3Dcr