Civilization brings destruction. At the same time of lifting our technology standard, our planet is getting sick. Human activities cause the global warming and this drastic change of climate affect the ECO system : food chain is disconnecting; creatures are extincting, all these caused animals losing their home and food.
The Yeti is among once of those beautiful species. They live in the snow mountains and look for food in the forest. But then the climate is so bad now, they don't even have enough food to sustain their living. One day, when the Yeti in search for new source of their food in the forest, the accidentally get themselves into a small wooden hut, and they smell something nice! A human family are enjoying a delicious turkey in their warm family gathering! With no choice, poor Yeti have to take the food from human beings in order to get rid of starving.
Human do not want to hurt the Yeti, but for their food, they have to fight. Your duty is to protect the turkey! You can use snowballs to push away all the Yeti. Bigger the snowball, stronger the power.