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>Starters finals are Grass/Fighting, Fire/Poison, Water/Psychic
>Komala, Mimikyu, Wishiwashi, Oricorio, Tapu Koko, and Magearna are the only announced Pokemon to not have evos/pre-evos (yes, I am sure)
>3 stage lines this gen are 3 starters, Pikipek, Grubbin, Bounsweet, Jangmo-o and Comfey.
>Dugtrio, Golem, Muk, Mr. Mime, and Jynx have Alolan forms.
>The Ultra Beasts are catchable in the post-game with a special capture device created by Professor Burnett for her boss.
>Some Alolan Forms keep the same evolution method, some are brand new. All have new stats, egg moves, movesets, TM compatibility, HAs, etc. They are effectively new Pokemon.
>Pokemon Amie has been revamped, has a different name. Allows you to groom Pokemon, play games with them, throw balls for some of them (starters, Eeveelutions, etc), play toys. Some will even walk around and go to sleep, roll over, etc.
>Both versions are actually quite different; some scenery, characters, locations, and events are exclusive. However, few Pokemon are completely exclusive, instead found during the day/night, making them 'soft' exclusives due to the time difference between the versions.