To provide a decoration device for game capable of effectively displaying to a player and other customers the magnitude of a negotiable value gained during a special playing condition.

The decoration device 62 for game is provided to correspond to a game machine and capable of selectively displaying plural pieces of game information and the magnitude of the negotiable value gained through a game played on the game machine, the game information being generated in relation to at least the game played on the corresponding game machine. The decoration device 62 for game comprises an assembly of unit display elements each providing a display based on the game information and the magnitude of the negotiable value gained, and is provided with a control part which performs control such that, on condition that the predetermined special playing condition occurs in the corresponding game machine 2, the unit display elements are made to preferentially display the magnitude of the negotiable value gained during the special playing condition, instead of displaying the contents being displayed at the occurrence of the special playing condition.