Here is the implementations of code for LED Tetris game. #include "config.h" #include <stdio.h> void write_data(unsigned char,unsigned char); //Writing data to the MAX7219 chip to display different 8x8 LED patterns unsigned int led_element[8][8]; //Global variables 2D array for static tetris blocks unsigned int decimal_value=0; unsigned int row_cancel=0; //stores the current number of rows cancelled unsigned int button_pressed=0; unsigned int step_fallen=0 ; //unsigned int random_total; unsigned int block_type; unsigned char x_button=3 ; //Global variables x for the coordinates of the temp falling block //Declaring x corrdinate of temp falling block allows you to modify its coordinate everywhere, in any scope unsigned int rotation_index = 0; unsigned int rotation_button_pressed = 2; unsigned int score=0; unsigned int n; unsigned int first_digit; unsigned int second_digit; void bingo(); //If 8 LEDs i