Brain Test 2 is a logic-puzzle game in the brain teaser and test category. The player completes tasks by coming up with solutions to problems in scenes across five storylines (Fitness with Cindy, Prison Escape, Agent Smith, The McBrain Family and Monster Hunter Joe). All stories contain at least 20 levels designed to test the player's common sense and problem-solving skills.
The player assists the characters. In Fitness with Cindy, for example, they become Cindy's personal trainer. They must use diet and fitness solutions to help her lose weight. In Prison Escape, the player helps an innocent man, Andy, and two of his friends escape a prison.
The scenes are extremely difficult to understand at times. The game doesn't always explain the tasks in a straightforward fashion. In some scenes, the player must select and reposition multiple objects. In Monster Hunter Joe, for example, the game tells the player to wake Joe to help him start his day. That said, it never mentions that the player must also dress the character after they wake him to complete the level.
Brain Test 2 provides the player with a limited number of hints that they pay for initially with free points displayed near the top-right corner. They must watch advertisement videos to earn more hints. They can also skip a difficult level by watching a video.
