3 Lessons from our BOSE AR Audio-First game. While photorealistic graphics grab the lion share of attention, deeply immersive experiences must address all of the senses. This talk covers a post mortem of an audio-only Unscramble the Oracle (BOSE AR) game using fully spatialized interactive audio scapes that require no vision. Come learn about the challenges we faced creating this first of a kind interactive walkable audiobook. Learn how storytelling, navigation, character interaction change when the player can only can hear. Together we look at how we succeeded and stumbled in creating an audio world to explore with native head, body, and interactions How we leveraged characters, specialize sound, and audio UX. What audio attributes increased spatial positioning, what reduced it, and how create audio highlight states. Additionally, it offers lessons from designing to the other senses hearing and touch including several techniques to cross talk and fool the senses.