Updated Contents: [+] add rank filter to rank page, now different game scores could be showed seperately. [+] add key hint display, modified hud display, update key remapping logic. [+] add physical button with yes or no choice dialog for quiting game. [+] add random game mode. [~] made huge efforts to improve performance, now on my macbook pro m2 fps can go up to 250! [+] add fps lock to 60 when laptop is not on AC and battery is below 80%. If you have any suggestions or issues, please comment at here or email us via info@idea4.fun!