The conditions for unlocking the ice cream shop in this game are that the terrace, restaurant and facilities in the facility must be complete.
After these conditions are met, the merchants who randomly appear every day may trigger the plot of the ice cream shop. This merchant will give you products, gems, or ice cream recipes that sink in the fish pond. Players need to click on the product in the fish pond and choose to accept it. After that, the ice cream shop will open automatically.
The conditions for unlocking the ice cream shop in "Animal Restaurant" are to put squid or starfish on the rental stall, and the overall rating reaches more than 18,000 stars.