Unlocking the final personal prize will give you Costington’s and also give you the playable character Mr. Costington.
He also comes with his own Mini quest The Cost of Doing Business and the Walk-Through is below!.
Pt 1. Make Mr. Costington Ruin Christmas.
Pt 2. Make Mr. Costington Intimade Employees.
Pt. 3 Make Mr. Costington Root out Trouble Makers
Pt.4 Make Mr. Costington Spend a Fortune Monitoring Employees
Pt. 5 Make Mr. Costington Ruin Christmas.
This is the end of the Christmas quest-lines at the moment but more content is expected to be added nearer to Christmas so we can only speculate at the moment what could be added!!!!!