A free app for Android, by LINE Friends Corporation.

What do you get when you mix Match 3, Tetris, and BTS or BT21 characters? Puzzle Star BT21!

This is a free puzzle game with drawing and popping blocks!

There are over 4 million players around the world enjoying this game!

Enjoy a satisfying, refreshing puzzle that innovatively fuses the concepts of Tetris and Match 3 – in the company of RJ, Cooky, Tata, Mang, Shooky, Chimmy, and Koya. It is so easy and fun!

Once you start, you won’t want to stop it!

You can play as long as you want.

In this game, there are over 40 thrilling episodes and over 700 stages to go through!