Cerebria The Inside WorldCerebria The Inside World is a wondrous and quirky world where players embody the Spirits of Bliss or Gloom, the two opposing sides of human nature. Competing to shape Cerebrias Identity, Spirits spread their influence on the main board by invoking Emotion cards with various intensities and abilities; placing Fortresses to strengthen their presence in the Realms; unlocking upgrades to their Actions; absorbing Willpower from the ever rotating Origin;