Work in progress...Not sure what my classmates wanted the overall goal of this game was supposed to be. Click the green flag to start. ________________________________________________________ The rain forest biome consists of a forest of tall trees in a region of year-round warmth. An average of 50 to 260 inches (125 to 660 cm.) of rain falls yearly. Rain forests now cover less than 6% of Earth's land surface. Scientists estimate that more than half of all the world's plant and animal species live in tropical rain forests. Tropical rain forests produce 40% of Earth's oxygen.