High Quality Free Tetris

Change log

Version 1.7.1
BGM selection, BGM volume adjustment function added
Fix a typo

Version 1.7.0
Add Mission Mode
Add Ai System Edit

Version 1.6.0
Add Yuuyuu mode

Version 1.5.0
Added GameSelect screen (Mission mode not implemented yet)
I broke up the record on the high score
(40 Line, 150 Line, etc.)
I made a new victory / defeat screen at battle
I made it to display the winning number at battle as a batch on the screen
Fixed a bug where enemy attacks in Coop mode only have holes 1 - 10

Version 1.4.1
Coap mode overlap bug fixed