
In this article, we will build a simple Number Guessing Game in C++. It’s a game in which the player has to guess a secret number in a range that is generated by the computer and upon a wrong guess by the player, the game will give hints to the player to guess the correct number. This will be a console game so even if you have little knowledge of C++, you will be able to follow up and build this game easily.
Features
- The player can choose the number of rounds he wants to play the game
- After finishing each round the current score is updated and once all the rounds are completed the high score is updated and shown on the screen.
- If the player guesses the correct number on the first try, he gets 10 points, If guessed on the second try then 5 points, if guessed on the third try then 3 points, and if guessed after the third try then only 1 point.
Code for Number Guessing Game in C++
We will use Code::Blocks IDE to develop this application. Open the Code::Blocks IDE and create a new project with the name guessthenumber, now in the main.cpp file paste the following code and run it.
#include<iostream> #include<cstdlib> using namespace std; int main() { system("color CF"); //This gives the terminal a color and the text on the screen system("title GuessTheNumber @copyassignment"); //This sets the text on the terminal int user_input,secret_num,c=0,wrong_attempts=0; int curr_score=0, max_score=0; int number_of_rounds; int choice; cout << "\t\t\t<==================================================================>" << endl; cout << "\t\t\t| Welcome to the number guessing Game |" << endl; cout << "\t\t\t<==================================================================>" << endl; cout << endl << endl << endl; cout << "\t\t\tchoose from below options" << endl; cout << "\t\t\t [1] Know Game Rules" << endl; cout << "\t\t\t [2] Play the game" << endl; cin >> choice; if(choice == 1){ system("cls"); cout << "\t\t\t<==================================================================>" << endl; cout << "\t\t\t| Welcome to the number guessing Game |" << endl; cout << "\t\t\t<==================================================================>" << endl << endl << endl; cout << "\tChoose the number of rounds you want to play from 1-10" << endl; cout << "\tIn each round, you have to guess the secret number correctly" << endl; cout << "\tIf you guess the secret number in first attempt, you get 10 points" << endl; cout << "\tIf you guess the secret number in second attempt, you get 5 points" << endl; cout << "\tIf you guess the secret number in third attempt, you get 3 points" << endl; cout << "\tIf you guess the secret number in after third attempt, you get only 1 point" << endl; } cout << endl << endl; char ch; do { cout << "\t Please enter number of rounds you want to play this game (1-5)" << endl; cin >> number_of_rounds; curr_score = 0; wrong_attempts = 0; // this loop run for the number of rounds the user wants to play for(int i=0; i<number_of_rounds; i++){ secret_num=rand()%10+1; // generate a random secret number in the range 1-10 // until the user doesn't find the right answer keep on asking and checking while(secret_num != user_input) { cout<<"\t Enter your guess between 1-10 "<<endl; cin >> user_input; cout<<endl; if(user_input < secret_num){ cout << "\t Your guess is low, guess higher!!!" << endl; wrong_attempts++; } else if(user_input > secret_num) { cout<<"\t Your guess is high, guess lower!!!"<<endl; wrong_attempts++; } } //when the user has guessed it right, check how quickly the number was found and give points accordingly cout<<"\t Congratulations your guess is correct"<<endl << endl; cout<<"\t You guessed wrong numbers " << wrong_attempts << " times" << endl << endl; //show how many times the number was guessed wrong //if there is next round still remaining then show message if(i!=number_of_rounds-1){ cout << "\t Let's start next round" << endl; } cout << endl << endl; if(wrong_attempts == 0){ curr_score = curr_score + 10; } else if(wrong_attempts == 1){ curr_score = curr_score + 5; } else if(wrong_attempts == 2){ curr_score = curr_score + 3; } else{ curr_score = curr_score + 1; } } //set the high score if it's greater than previous score if(curr_score > max_score){ max_score = curr_score; } system("cls"); cout << "\t\t\t You have completed all the rounds" << endl; cout << "\t\t\t Your current score is: " << curr_score << endl; cout << "\t\t\t Highest score: " << max_score << endl << endl << endl; cout<<"Do you want to play again y/n"; cin >> ch; cout<<endl; if(ch !='n' && ch !='y'){ cout << "\tWrong Input, Please enter y/n" << endl; } system("cls"); cout << "\t\t\t<==================================================================>" << endl; cout << "\t\t\t| Welcome to the number guessing Game |" << endl; cout << "\t\t\t<==================================================================>" << endl; }while(ch!='n'); }
Output of Number Guessing Game in C++
Image Output:

Video Output:
Conclusion
I hope this article on Number Guessing Games in C++ could help you learn something valuable. Building these types of small games can help you get good at logic building and learn a language faster. You should try to tweak the code here and there and see how the whole program is working.
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