A tetris game fully built.
Game Rules：
100 points for 1 line, 300 points for 2 lines, 700 points for 3 lines, 1500 points for 4 lines;
The drop speed of the box increases with the number of rows eliminated (one level for every 20 lines);
Game Rules：
100 points for 1 line, 300 points for 2 lines, 700 points for 3 lines, 1500 points for 4 lines;
The drop speed of the box increases with the number of rows eliminated (one level for every 20 lines);
Open up
