diff --git a/Codechef/Rock-Paper-Scissor-Game-c#/Program.cs b/Codechef/Rock-Paper-Scissor-Game-c#/Program.cs
new file mode 100644
index 0000000..235522b
--- /dev/null
+++ b/Codechef/Rock-Paper-Scissor-Game-c#/Program.cs
@@ -0,0 +1,142 @@
+namespace RockPaperScisor
+{
+    class game
+    {
+        public readonly string[] listOfGames = { "Rock", "Paper", "Scissor" };
+        //takes the int from inputInteger method and returns an array of 3 strings:1st is the random choice
+        //2nd is the entered choice , the 3rd is Win Lose or Tie string tag.
+        public string[] play(int a)
+        {
+            int rnd = new Random().Next(1, 4);
+            string[] result = { listOfGames[rnd - 1], listOfGames[a - 1], "" };
+            if (a == rnd)
+            {
+                result[2] = "Tie";
+            }
+            else
+            {
+                switch (rnd)
+                {
+                    case 1:
+                        if (a == 2)
+                        {
+                            result[2] = "Win";
+
+                        }
+                        else
+                        {
+                            result[2] = "Lose";
+                        }
+                        break;
+                    case 2:
+                        if (a == 1)
+                        {
+                            result[2] = "Lose";
+
+                        }
+                        else
+                        {
+                            result[2] = "Win";
+                        }
+                        break;
+                    case 3:
+                        if (a == 1)
+                        {
+                            result[2] = "Win";
+
+                        }
+                        else
+                        {
+                            result[2] = "Lose";
+                        }
+                        break;
+                }
+            }
+            return result;
+
+        }
+        //the input method,will only read 1 2 3 or q as input and return it as integer, as for q it returns 0.
+        public int InputInteger()
+        {
+            string x;
+            int y;
+            while (true)
+            {
+                x = Console.ReadKey().KeyChar.ToString();
+
+
+                if (int.TryParse(x, out y) & y > 0 & y < 4)
+                {
+                    break;
+                }
+                else if (x.ToUpper() == "Q")
+                {
+                    y = 0;
+                    break;
+                }
+                else
+                {
+                    Console.WriteLine($" what is this {x}? please enter a valide number, 1 for Rock, 2 for paper and 3 for scissor !!");
+                }
+            }
+            return y;
+        }
+        static void Main(string[] args)
+        {
+            Console.Write("\t\t### welcome to rock paper scisor game ###\n\nHow to play: Enter 1 for Rock, 2 for Paper and 3 for Scissor.\n\t\t***To quit the game and show the final score enter q***\n\nLet's play:");
+            int numberOfGames = 1, numberOfWonGames = 0, numberOfLostGames = 0, inputNumber;
+            string[] resultOfGame = { };
+            var begin = new game();
+            while (true)
+            {
+                inputNumber = begin.InputInteger();
+                if (inputNumber == 0 & numberOfGames == 1)
+                {
+                    Console.Write("\n\t\t****Farewell****");
+                    break;
+                }
+                else if (inputNumber == 0 & numberOfGames > 1)
+                {
+                    Console.WriteLine($"\n\t\t\t\t***** You:{numberOfWonGames} , Me:{numberOfLostGames} , Ties:{numberOfGames - 1 - numberOfWonGames - numberOfLostGames}*****");
+                    if (numberOfWonGames > numberOfLostGames)
+                    {
+                        Console.Write($"\n\t\t********You won with score of {numberOfWonGames - numberOfLostGames}********\nI can't wait to play against you again and get my revenge !!");
+                        Console.ReadLine();
+                        break;
+                    }
+                    else if (numberOfWonGames < numberOfLostGames)
+                    {
+                        Console.Write($"\n\t\t********You lost with score of {numberOfLostGames - numberOfWonGames}********\nI can't wait to play against you again and beat you to a pulp !!");
+                        Console.ReadLine();
+                        break;
+                    }
+                    else
+                    {
+                        Console.Write($"\n\t\t********This is a Tie********\nI can't wait to play against you again and for sure it will be my win !!");
+                        Console.ReadLine();
+                        break;
+                    }
+
+                }
+                resultOfGame = begin.play(inputNumber);
+                if (resultOfGame[2] == "Win")
+                {
+                    Console.WriteLine($"\nYou chose {resultOfGame[1]} and i got {resultOfGame[0]}\n\t\tUgh You won.But u won't Next time.This is the game number {numberOfGames}let's go again");
+                    numberOfGames++;
+                    numberOfWonGames++;
+                }
+                else if (resultOfGame[2] == "Tie")
+                {
+                    Console.WriteLine($"\nYou chose {resultOfGame[1]} and i got {resultOfGame[0]}\n\t\tIt is a Tie but i am ready to beat you in the next one.This is the game number {numberOfGames}.let's go again");
+                    numberOfGames++;
+                }
+                else if (resultOfGame[2] == "Lose")
+                {
+                    Console.WriteLine($"\nYou chose {resultOfGame[1]} and i got {resultOfGame[0]}\n\t\tHAHA you are no match for me and i am ready to beat you again.This is the game number {numberOfGames}.let's go again");
+                    numberOfGames++;
+                    numberOfLostGames++;
+                }
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Codechef/Rock-Paper-Scissor-Game-c#/README.txt b/Codechef/Rock-Paper-Scissor-Game-c#/README.txt
new file mode 100644
index 0000000..ac17e8c
--- /dev/null
+++ b/Codechef/Rock-Paper-Scissor-Game-c#/README.txt
@@ -0,0 +1,3 @@
+this is a small paper rock scissor game built for hacktoberfest with C#.
+you must have the microsoft dotnet sdk to build and run.
+have fun.
\ No newline at end of file
diff --git a/Codechef/Rock-Paper-Scissor-Game-c#/trailer.png b/Codechef/Rock-Paper-Scissor-Game-c#/trailer.png
new file mode 100644
index 0000000..3f8f511
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