1.5.0 Safe to install
Hello BT21 by Kakao Games: A Fun Symbol for BTS Fans

Hello BT21 offers an engaging social simulation experience featuring adorable characters created by BTS and Kakao Games.
Boom-! DYNAMITE the bubbles with BT21!
Come check out THE MOST LEGIT BLASTING MATCH-3 PUZZLE GAME!
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STORY
Season 2: BT21's Operation - Popomon Mega Clean Up! The BT21 members have been working hard to achieve Universtardom. However, their efforts are disrupted by a group of meddling dandelions, Popomons. Can the BT21 members clean up the Town and make their debut as Universtars?
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GAME FEATURES
Stages
- Different stages with various challenging obstacles like Milk, Boxes, Ice, and Slimes for added fun and excitement
- Super easy one-handed gameplay with the ability to fling bubbles at a touch
- Each adorable BT21 character has special skills to help you clear stages and progress through the game
Story Missions
- Clear stages and collect Story Keys
- Use collected Story Keys to clear Story Missions and clean up the Town
- Complete all Story Missions in each Chapter to receive awesome gifts
Town
- Interact with the friendly forest LEAF in Town to unlock special BT21 illustrations
- Create your own unique Town by clearing Story Missions
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HOW TO PLAY
- Match 3 bubbles of the same type to pop them
- Creating matches of 4 or more bubbles produces explosive bubbles for even more fun
- Successfully complete missions within the bubble limit to progress to the next stage
- Fill the Rainbow Ball gauge by using explosive bubbles and unleash its power to destroy all bubbles of a chosen type
- Strategize using Rainbow Balls for a thrilling gameplay experience
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WHAT IS BT21
BT21 is a beloved group of cute characters created by LINE FRIENDS. Each of the 8 characters - KOYA, RJ, SHOOKY, MANG, CHIMMY, TATA, COOKY, and VAN have their own distinct personalities. Together, they form the amazing BT21!
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RECOMMENDED FOR
- Fans of BT21
- Players who enjoy exciting puzzle games
- Those who like playing stimulating LINE games
- Puzzle game enthusiasts looking for engaging gameplay
- People who prefer free puzzle games that provide hours of entertainment
- Individuals seeking a fun and easy-to-play puzzle game during their spare time
- Gamers who appreciate customizable towns with houses and gardens
- Players who enjoy simple and easy-to-learn shooting puzzle games
Enjoy the Hello BT21 experience with your family and friends!
Overview
Hello BT21 is a Freeware software in the category Games & Entertainment developed by Kakao Games Corp..
The latest version of Hello BT21 is 1.5.0, released on 10/15/2023. It was initially added to our database on 10/15/2023.
Hello BT21 runs on the following operating systems: iOS.
Users of Hello BT21 gave it a rating of 5 out of 5 stars.
FAQ
What is Hello BT21?
Hello BT21 is a mobile game inspired by the BT21 characters created in collaboration with LINE FRIENDS and the popular K-pop boy band BTS.
How can I download Hello BT21?
You can download Hello BT21 from the Apple App Store for iOS devices or from Google Play Store for Android devices.
Is Hello BT21 free to play?
Yes, Hello BT21 is free to play, but it may offer in-app purchases for additional features or items.
What is the main objective of the game?
The main objective of Hello BT21 is to engage in various mini-games, collect characters, and complete challenges while enjoying interactive animations featuring the BT21 characters.
Which devices are compatible with Hello BT21?
Hello BT21 is compatible with both iOS and Android devices.
Can I play Hello BT21 offline?
Certain features of Hello BT21 require an internet connection to function properly, including multiplayer options and some mini-games.
Is there a way to contact customer support for Hello BT21?
Yes, you can contact customer support through the in-game settings or via the official website and social media channels of Kakao Games Corp.
Are there any events or updates in Hello BT21?
Yes, Kakao Games Corp. frequently holds in-game events and releases updates that introduce new content, challenges, and seasonal celebrations.
Do I need an account to play Hello BT21?
No, you do not need a specific account to play; however, creating an account may allow for saving your progress and accessing social features.
Where can I find more information about Hello BT21?
You can find more information on the official website, social media pages, or through community forums dedicated to Hello BT21.

Elena Angelini
I'm Elena, your go-to software reviewer at UpdateStar and tech enthusiast. Whether you're a user seeking the latest software titles or software news I've got you covered. When I'm not diving into the latest software, you can find me exploring nature trails, camping under the stars, or competing in online multiplayer games. My reviews are designed to be fun, engaging, and packed with all the details you need to make informed decisions.
Latest Reviews by Elena Angelini
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