Noun
any game designed to exercise the intellect
deliberate actions of calculated psychological manipulation intended to intimidate or confuse (usually for competitive advantage)
Source: WordNetI'm only warming up. I had a fantastic season, I proved age is just a number, Everything is in your head. Whatever you want to do you will do it. It's a master mind game. If I want to make it I'll make it. If I want to do it I'll do it. Zlatan Ibrahimović
So much of performing is a mind game. Joshua Bell
The reason that so few people are financially independent today is that they place many negative roadblocks in their heads. Becoming wealthy is, in fact, a mind game. Thomas J. Stanley
football players try to play mind games with the opposition Source: Internet
the jeweler's mind game is to convince lovers that the size of a gemstone reflects the depth of their feelings Source: Internet