The name of the game is “Up and Down game.” When player A says something goes up or increases, player B must say something goes down or decreases as a consequence of what player A said. In the next turn, if player B says something goes down or decreases, player A must say something is going up and increases as a consequence of what player B says.
In exchanges of responses between the two, the logic must be correct and meaningful. For example, player A will say, “When the air pollution quality decreases, there will be more patients with pulmonary diseases.” Player B must repeat the last part by starting with, “When there are more patients with pulmonary diseases” and adding what happens as a consequence, such as, “less people will be going to work.” Player A will then take the next turn and find a consquence for "When less people will be going to work, ..."
You have the option of downloading your game history before starting a new game.