Pokémon Legends: Arceus lets players hunt the tiny monsters in a new, open-world setting. Pokémon Legends: Arceus lets players hunt the tiny monsters in a new, open-world setting. From cartoons to trading cards to toys, Pokémon has been a succesful media franchise for 25 years, with tons of fans from all over the world. But fans of the Pokémon video games have been begging for a major shake-up to the series -- and now, with the announcement of the new Pokémon Legends: Arceus, they may get one. Earlier this month, Pokémon player ChocolateKieran -- who asked us to refer to him by his username for privacy and safety reasons -- was watching the company's 25th anniversary live stream with his followers on Twitch.