You score as normal.
For Otto’s scoring, first convert Otto’s coins into points:
• If you are playing on Easy, for every 5 Coins Otto has, he gets 1 point.
• Otherwise, for every [N10, H5] Coins Otto has, add 1 to the number of Villagers Otto has Tucked of the least common Species.
Otto scores Villagers as normal.
Otto scores Gear as normal; he is considered to have Enchanted [E2, N2, H3] Buildings, so will score [E2, N2, H3] points for each Tucked Gear.
Otto scores points for each Tucked Building equal to its cost; he is considered to have played them and Invested coins into them equal to their cost.