The Tower mysteriously appeared in your world around a few years ago. Many people entered inside, and many died. Many also succeeded in escaping the tower, with their new abilities. Those people are called "Climbers". In the Tower lies untold mysteries and valuable items and special abilities. Only the strongest survive and thrive after leaving the Tower, albeit only a handful live to tell the tale…

Without warning, your vision blurs as you suddenly awaken in the middle of a vast grassy field with several large hills. The area seems to stretch on for infinity… What now?