In Japan, the Monster Hunter series is immensely popular, and it has gained a cult following in the United States, with the port Monster Hunter Freedom and its sequels, Monster Hunter Freedom 2 / Monster Hunter Portable 2nd, Monster Hunter Freedom Unite / Monster Hunter Portable 2nd G, Monster Hunter Portable 3rd and an online game called Monster Hunter Frontier Online selling millions of copies, and Monster Hunter Tri becoming the highest-selling third-party Wii game in Japan. There is also an anime based on the spin-off game Monster Hunter Diary: Poka Poka Airou Village and a book called Monster Hunter EPISODE . Monster Hunter contains many creatures such as the Rathalos, Kushala Daora, Tigrex, Nargacuga, Lagiacrus, Zinogre, Brachydios and Gore Magala.