Best: Pokemon Sun And Moon

In its place, Game Freak introduced the Island Challenge, a series of trials presided over by Captains and Kahunas. Instead of a straightforward battle, players had to endure tests of endurance, detective work, and item retrieval, culminating in battles against Totem Pokémon.

Released in 2016 for the Nintendo 3DS, Pokémon Sun and Moon Pokemon Sun and Moon

Unlike X and Y , which had a shallow post-game, Sun and Moon offer a solid chunk of content after the credits: In its place, Game Freak introduced the Island