LINE Hello BT21

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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

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house-small pencill-small clock-small BTS
RM \| Jin \| Suga \| J-Hope \| Jimin \| V \| Jungkook

house-small pencill-small clock-small Discography
Korean
Studio albums	Dark & Wild \| Wings (You Never Walk Alone) \| Love Yourself: Tear \| Map of the Soul: 7
Mini albums	O!RUL8,2? \| Skool Luv Affair (Skool Luv Affair Special Addition) \| The Most Beautiful Moment in Life, Part 1 \| The Most Beautiful Moment in Life, Part 2 \| Love Yourself: Her \| Map of the Soul: Persona \| BE
Compilation albums	The Most Beautiful Moment in Life: Young Forever \| Love Yourself: Answer
Single album	2 Cool 4 Skool
Soundtrack album	BTS World: Original Soundtrack
Digital singles	Danger (Mo-Blue-Mix) (Feat. Thanh) \| Come Back Home \| FAKE LOVE (Rocking Vibe Mix) \| Dream Glow \| A Brand New Day \| All Night \| Make It Right (feat. Lauv) \| Make It Right (feat. Lauv) (EDM Remix) \| Make It Right (feat. Lauv) (Acoustic Remix)
Mixtapes	Agust D \| Hope World \| Mono \| D-2
Collaborations	Ashes \| Love U Hate U \| Bad Girl \| Because I'm a Foolish Woman \| Song To Make You Smile
Other releases	Unofficial songs
Japanese
Studio albums	Wake Up \| Youth \| Face Yourself \| Map of the Soul: 7 ~The Journey~
Compilation albums	2 Cool 4 Skool / O!RUL8,2? \| The Best of BTS -Korea Edition- \| The Best of BTS -Japan Edition- \| BTS, THE BEST
Singles	No More Dream \| Boy In Luv \| Danger \| For You \| I Need U \| Run \| Blood Sweat & Tears \| MIC Drop/DNA/Crystal Snow \| FAKE LOVE/Airplane Pt.2 \| Lights/Boy With Luv
Digital singles	Stay Gold \| Film out
Other releases	Unofficial songs
Chinese
Digital singles	Boy In Luv
English
Digital singles	MIC Drop (Steve Aoki Remix) (Feat. Desiigner) \| Waste It On Me \| Waste It On Me (Slushii Remix) \| Waste It On Me (Cheat Codes Remix) \| Waste It On Me (W&W Remix) \| Waste It On Me (Steve Aoki The Bold Tender Sneeze Remix) \| Dynamite \| Butter \| Permission to Dance \| Butter (feat. Megan Thee Stallion)
Collaborations	Who (feat. BTS)
Single album	Butter
Other releases	Unofficial songs

house-small pencill-small clock-small Videography
Films	Burn The Stage: The Movie \| BTS World Tour: Love Yourself in Seoul \| Bring The Soul: The Movie \| Break The Silence: The Movie
Television	Rookie King: Channel Bangtan \| BTS China Job \| BTS American Hustle Life \| BTS GO! \| Problematic Men \| BTS Comeback Show \| BTS Countdown \| BTS Variety Chronicles \| In the SOOP BTS ver. \| Let's BTS \| Flower Crew
Web series	BTS: Lucky Draw \| Run BTS! \| BTS Gayo \| BTS: Bon Voyage \| BT21 Universe \| BTS: Burn The Stage \| Bring The Soul: Docu-Series \| Learn Korean with BTS \| Break The Silence: Docu-Series \| In the SOOP BTS ver.
Drama series	Hwarang: The Poet Warrior Youth \| Hello? Mr.Bangtan
DVDs and Blu-rays	BTS Now \| BTS Season's Greetings \| BTS Memories \| BTS Summer Package \| BTS Winter Package
Others	Bangtan Log \| BTS Episode \| Bangtan Bomb \| BTS Live \| Eat Jin \| Hope On The Street \| Hwagae Market \| G.C.F \| BigHit Episode \| RM no Hangul Hangul \| BTS Vacation Log

house-small pencill-small clock-small Events
Concerts	BTS Live Trilogy Episode I: BTS Begins (2015) \| HAPPY BTS DAY PARTY (2016) \| BTS HOME PARTY (2017) \| BTS PROM PARTY -RE;VIEW & PRE;VIEW- (2018) \| Bang Bang Con The Live (2020) \| Map of the Soul ON:E (2020)
Tours	BTS Live Trilogy Episode II: The Red Bullet (2014) \| BTS's First Japan Tour-Wake Up: Open Your Eyes (2015) \| BTS Live The Most Beautiful Moment in Life On Stage (2015–2016) \| BTS Live Trilogy Episode III: The Wings Tour (2017) \| BTS World Tour: Love Yourself (2018–2019) \| BTS Map of the Soul Tour (2020)
Musters	BTS 1st Fan Meeting: Muster (2014) \| BTS 2nd Muster: ZIP CODE : 22920 (2016) \| BTS 3rd Muster: ARMY.ZIP + (2016) \| BTS 4th Muster: Happy Ever After (2018) \| BTS 5th Muster: Magic Shop (2019) \| BTS 2021 MUSTER SOWOOZOO (2021)
Fanmeetings	BTS Japan Official Fanmeeting Vol.1 (2014) \| BTS Japan Official Fanmeeting Vol.2 -Undercover Mission- (2015) \| BTS Japan Official Fanmeeting Vol.3 ~Reaching You~ (2016) \| BTS Japan Official Fanmeeting Vol.4 ~Happy Ever After~ (2018) \| BTS Japan Official Fanmeeting Vol.5: Magic Shop (2019)
Showcases
Exhibitions	Butterfly Dream: BTS Open Media Exhibition \| BTS Exhibition: 24/7=Serendipity (Five, Always) \| CONNECT, BTS
Others	Bang Bang Con

house-small pencill-small clock-small Others
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 Webtoons: We On: Be The Shield \| The Most Beautiful Moment in Life Pt.0: Save Me
Games	SuperStar BTS \| Puzzle Star BT21 \| BTS World \| LINE Hello BT21 \| BTS Universe Story \| Rhythm Hive
Brands	Hip Hop Monster \| BT21 \| TinyTAN

LINE Hello BT21

Gameplay

References

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