Download Euphonia with the free Walkthrough tutorial to enter the stunningly unique experience of audio-based augmented reality.

Euphonia is an immersive, sound-based virtual world in your own backyard.

Put on your headphones. Draw a square on the map. Walk into the square and Euphonia comes to life around you. Using GPS and 3D Audio technologies, Euphonia tracks your location and orientation in real time, creating a rich environment of objects with which you can move and interact, all through sound.

Puzzle your way carefully through dynamically generated sound mazes. Save a vibrant, moving virtual sound particle before it explodes. Play solo or with a friend* in a real-time cooperative battle against the sonic forces of doom.

Euphonia: Have you heard?

*requires Game Center