"An allotted supply of vital resources are expended during play until the player can no longer supply food, water, or air for his increasing population. He suffers Disaster and retires from the game. The last survivor is the winner." A game of natural resources, pollution, and population control for 5th or 6th grades. Materials: Game peg board, people peg board, color coded pegs representing air, food and water resources, option and research cards, dice.