THE PURPOSE OF THE GAME: To be the player who has converted the most "Oxygen" throughout his course. THE RULE OF THE GAME: Who will have enough oxygen to finish the game? "Depending on your behavior on the course, you will quickly see that your Oxygen supply is limited. You will be able to stay on some huts to try to make more ecological gestures that will give you Oxygen. You will be able to plant trees to put Oxygen in the wind farm or to walk there to take a breath of Oxygen. Be environmentally friendly, the first come will not necessarily be the winner. Everyone will discover that they can choose to adopt behaviors in favor of a less polluting means of transport.