Board Thread:Off Topic/@comment-25715188-20160701085500/@comment-25715188-20160701162908

Bubblefan123 places the cassette tape in the boombox and turns on the boombox. The music on the mixtape is so loud, that there are visible shockwaves! They boom through the room, revealing hidden symbols in a line above the door.

Oiniteoderfla12 tries to look behind the panel with a quaver on it, but he realises that it is actually a wheel which cannot be moved (because the puzzle has been solved already).

Main Room

Transverse Wave Puzzle (Sorry, I forgot to give this to you! (Well, you only need it now))

^^^ BOTH COMING SOON

@Bubblefan123 - 'Thank you for pointing those out. I have fixed them. :)'

@MaLuckyDay - Welcome back!

@Oiniteoderfla12 - Thanks!