~rule~
You can erase the block by connecting three number blocks of "red" "blue" "green" "yellow" and completing the answer.
If you erase all the blocks in the screen it is stage clear.
Since the combination for making the correct answer is displayed on the screen, you can play with confidence in those who are troublesome to calculate.
The number of stages is more than 100 volumes.
When the movement of the game slows down, it is recommended to set it from Settings to Effect Off.
~ Acknowledgments ~
From these sites, I used free materials of image and sound
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SHW
http://shw.in/
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©効果音ラボ
©Sound Effect Lab
https://soundeffect-lab.info/
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甘茶の音楽工房（Music Atelier Amacha）
http://amachamusic.chagasi.com/
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PEXELS
https://www.pexels.com/
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