I am involved in a student production of clue and we are in need of a life size board that we can walk around on.
I would recommend taping it out on the floor. You can add some color if you like with upright signs or by making some patterns on the floor with squares of colored carpet or cutting out shapes from carpet remnants. If you are able to paint the floor, this floor sample of a clue theater production might inspire you.
Simple Life Size Clue Game Taped on a Floor
For a fun addition to the entry hall, this Clue Standee would be fun for guests to pose beside...