Question 1: Can a snake eat its own tail ?
Question 2: Can a null set be considered an element of itself ?
Question 3: Can a man lock himself in an unlocked room ?
They don't need to be answered.
(P.S: Best with headphones on and sound volume maximized.)
【W/A/S/D】to Move
【Mouse】to Look Around
【LMB】to Interact
【ESC】to Quit