What is a Brain Trust? Why Join? August 08, 2018 14:58 Updated A Brain Trust is group of players who band together to play exclusive games, earn more rewards and perks, and to compete against other Brain Trusts to prove their Jeopardy! World Tour skills! Think of it as clubs for the best brains in the game! Related articles What do Leaders and Co-Leaders do? I Won a Game in a Tournament, But I Didn't Get Cash! What is the Brain Trust Shop? How do I get Gold Bars? What is Cash? Comments 0 comments Article is closed for comments.