Normally £34.99 down to £27.99 until 21st July.
Yes it can be had for £31 physically from 365Games but know a lot of people like to buy digital now. First time it's been on sale on eShop.
There is a demo on the eShop for anyone who hasn't seen it.
Blurb from Nintendo site:
Two puzzle game juggernauts collide as Tetris®, one of the largest-selling and recognised brands in gaming history, and Puyo Puyo™ from SEGA have combined to create a fun-to-play, fast-paced, competitive party game like no other! The game has tons of different styles of gameplay – from the single-player Adventure and Challenge modes to the ferocious competition of the up-to-four-player Arcade modes. There’s plenty of Tetris/Puyo variety, and an in-game Shop where players can unlock new characters, new skins for Puyos and Tetriminos, new backgrounds and more. You can even try your puzzle skills on a global scale by playing any of the multiplayer modes with up to four players online, in Puzzle League or Free Play modes.
Scores 81/100 on Metacritichttp://www.metacritic.com/game/switch/puyo-puyo-tetris