CO2: Second Chance, the new edition of the famous board game by Vital Lacerda, is a game is for 2-4 players, lasts 90 minutes and its suggested age is 14+. CO2: Second Chance revises and enriches the original competitive game CO2 published in the 2012 and includes a brand-new cooperative game, in which the players have to collaborate to save the world, losing victory points each turn that they don't achieve their goals.