Find the exit with your ears. Each ghost give you a clue to find it.

It's a kind of Pacman, because i think all arcade games are loops.

Each ghost impact the sound differently, but the distance with the exit impact all of them :

Red modify pitch.

Pink is some trigonometric formulae.

Green add perlin noise.

Blue is build-in distortion unity filter.

The distance between you and the exit modify the volume, if you take a pill all ghosts will stop and so their effects, leave you to can hear the music as it is with the modified volume.

So in brief, if all the ghosts are on the exit with you, you'll hear the music at full volume.

But that's never gonna happen ;).

Oh btw you lose a point each time you change direction.

Map is customizable, go into StreamingAssets and modify "map.txt" file :

0 = terrain

1 = wall

2 = empty

3 = ghosts(no more than four)

4 = start player

5 = pick up

https://youtu.be/Vhzs2z0PKkQ