Pokémon GO developer Niantic has unveiled a new selection of official screenshots, featuring Hoppip, Graveler, Kabuto and Omanyte with aesthetic backgrounds. You can check them all out in the gallery below. Pokémon GO’s first-ever Adventure Week went live on May 18. During the latest in-game event, Pokémon such as Omanyte, Onix and Sudowoodo will appear with greater frequency through May 25. Plus, your Buddy Pokémon will give you Candy after walking only one quarter the usual distance. Also during this time, all Poké Balls will be 50 percent off in the in-game shop.