“Step into my office,” says Joanna Fang. OK, but to the untrained eye it's a kleptomaniac's hoard: rolls of Astroturf, mud and moss, wooden planks, violin bows, smashed keyboards, plastic boxes ...

An immersive gaming world can live or die by its use of sound to draw the player in and create a deeper relationship between action and reaction. Exciting setpieces, world design, character presence, ...