Choose the game mode and choose your difficulty. Follow is a game mode where you practice tracking the ball. This is useful for shooter games with automatic weapons. Challenge is a game mode where you practice speed and precision, useful for shotguns. In challenge you have to click the ball before it teleports away to another location. If you click it, it will automatically move. Try to click it before it moves. For easy you have 2 seconds to click it. For medium, you have 1 second to click it. For hard, you have half a second to click it.