A demon bear came to Nick's village. The demon bear was very cruel and killed many villagers. Nick and the remaining villagers had to move out of the village. There is a very dense forest between the village and the city. If not in time Going through the forest, it will be very dangerous at night. Your task is to help Nick get over obstacles such as traps, rocks and tree stumps. It is worth noting that you must be very fast, because the devil bear may arrive at any time.