Echos in the dark

A man addicted to gambling, loses everything and decides to bet his eyes away. After loosing, he realizes that he has been playing with a demon, he tries to escape but is soon caught and knocked out. When he eventually wakes up he realizes his eyesight is gone and that he is not at the casino anymore. How to play? -Point and click to move around. -every 10 seconds a sound will go off, creating sound waves which will briefly show the area around you.