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Random Number Memory Game in C

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In this article, will design a simple number memory game in the C programming language. It is a simple memory number game where a random number is displayed and is hidden after some time. The task is to guess that displayed number to continue the game.

How to Play This Game:

  • Press 1 on your keyboard to start the game.
  • A random positive number is displayed in the console which the player has to remember.
  • After few seconds the number displayed will disappear.
  • At the next line in the console, the player has to input the number shown previously.
  • If the input number is the same as the previous number then the player’s score increases by 1 and the game continue.
  • If the input number is incorrect, the game ends and the player’s score is displayed.

Below is the implementation of the above approach:


// C program to implements the above
// memory game
#include <conio.h>
#include <dos.h>
#include <stdio.h>
#include <stdlib.h>
// Function to generate the random
// number at each new level
int randomnum(long level)
    printf("Level %ld \n", level);
    long num;
    num = (rand() % 100 * level)
          + 1 + level * 5.2f;
    printf("Number : %ld \n", num);
    delay(2000 - (10 * level));
    // Return the number
    return num;
// Driver Code
void main()
    long num;
    long guessnum;
    long level = 1;
    long inputnum;
    // Start the game
    printf("Press 1 to start Game! ");
    scanf("%ld", &inputnum);
    // Game Starts
    if (inputnum == 1) {
        // Iterate until game ends
        do {
            // Generate a random number
            num = randomnum(level);
            // Get the guessed number
            scanf("%ld", &guessnum);
            // Condition for the Game
            // Over State
            if (guessnum != num) {
                printf("You Failed! ");
        } while (num == guessnum);



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Last Updated : 28 Apr, 2021
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