M
Marie S.
Guest
Riddle Masters 12/05/24
Hey there, Riddle Masters!

Open me, and you can't see me without a mirror. Close me, and you can't see me at all. What am I?
As usual, the āspoilerā button will conceal both your answers and everyone elseās. Just click it to reveal the fun!
Goodluck, GrayViners!