Navigate mysterious mazes using sound echoes in this atmospheric puzzle game. Move your glowing orb through twisting corridors while sending pulses to reveal hidden walls. Use arrow keys or on screen buttons to move and space to send an echo. Plan your path carefully as each move and pulse counts toward your score. Discover the exit in each increasingly complex level. Reveal just enough to find your way without wasting resources. Challenge yourself across twenty levels to master the art of echolocation.