Games __, Referees a Role-Playing Session

This page is the CodyCross answer for the clue below from Architectural Styles, Group 1178, Puzzle 1 (Petronas Towers).

Question is: Games __, Referees a Role-Playing Session

and the answer is: MASTER

Word Meaning:

MASTER — Someone who has control over something or someone.

Definitions from Wiktionary.

Games __, referees a role-playing session — CodyCross Answer | CodyCross Solutions