In The Mind Gym, you play as a self-improvement coach tasked with designing unique mental challenges for your clients. As you progress through the game, you'll need to consider each client's personality, strengths, and weaknesses to create challenges that push them to their mental limit. The challenges will include puzzles, riddles, and memory games that become more difficult as you unlock higher levels. The game also features a coaching mode where you can provide feedback to your clients based on their performance.