I liked this trap for example one false move in the music and you're done for. The music sheet I would probably change it to the Angel Beats intro "My Soul your Beats".

Hmmm, how about voice password? The door will only open to voices of SSS members! XD

The new guild could be where we have people making weapons all the time and doing research to make more and more powerful weapons.

More traps xp Home Alone traps remind me a lot of Shiina's trap death with the toy puppy. There child like and funny

^ Haha, yeah... I can think of an interesting one, though it won't have any pictures to accompany. I was thinking that a wire could trigger a large rock to chase them down to the end of a tunnel, where the end of the tunnel has a panel with spikes on it, so they can't really go anywhere. Of course, for Guild members, there would be a secret passageway that only someone who knows could find.