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LINE Hello BT21 (Japanese: LINE ハローBT21), stylized as LINE HELLO BT21, shorten as Hello BT21 (Japanese: ハローBT21), or abbreviated to HBT21 is a puzzle game developed by LINE Friends Corporation. This game was launched on Apple Store and Google Play on July 1, 2019.
Gameplay
References
Bibliography | Mini books: The Most Beautiful Moment in Life: The Notes Books: BTS Wings Concept Book | The Most Beautiful Moment in Life: The Notes 1 | We Can Laugh When We're Together | The Most Beautiful Moment in Life: The Notes 2 | Learn! Korean with BTS Book Package | BTS Map of the Soul ON:E Concept Photobook | |
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Games | SuperStar BTS | Puzzle Star BT21 | BTS World | LINE Hello BT21 | BTS Universe Story | Rhythm Hive | BTS Island: In the SEOM | |
Brands | Hip Hop Monster | BT21 | TinyTAN |