diff --git a/69_Pizza/csharp/Pizza/CustomerMap.cs b/69_Pizza/csharp/Pizza/CustomerMap.cs
new file mode 100644
index 00000000..ee991de3
--- /dev/null
+++ b/69_Pizza/csharp/Pizza/CustomerMap.cs
@@ -0,0 +1,131 @@
+using System.Text;
+
+namespace Pizza
+{
+    internal class CustomerMap
+    {
+        private readonly int _mapSize;
+        private readonly string[,] _customerMap;
+
+        public CustomerMap(int mapSize)
+        {
+            _mapSize = mapSize;
+            _customerMap = GenerateCustomerMap();
+        }
+
+        /// <summary>
+        /// Gets customer on position X, Y.
+        /// </summary>
+        /// <param name="x">Represents X position.</param>
+        /// <param name="y">Represents Y position.</param>
+        /// <returns>If positions is valid then returns customer name otherwise returns empty string.</returns>
+        public string GetCustomerOnPosition(int x, int y)
+        {
+            if(IsPositionOutOfRange(x, y))
+            {
+                return string.Empty;
+            }
+                        
+            return _customerMap[y, x];
+        }
+
+        /// <summary>
+        /// Overridden ToString for getting text representation of customers map.
+        /// </summary>
+        /// <returns>Text representation of customers map.</returns>
+        public override string ToString()
+        {
+            int verticalSpace = 4;
+            int horizontalSpace = 5;
+
+            var mapToDisplay = new StringBuilder();
+
+            AppendXLine(mapToDisplay, horizontalSpace);
+
+            for (int i = _customerMap.GetLength(0) - 1; i >= 0; i--)
+            {
+                mapToDisplay.AppendLine("-", verticalSpace);
+                mapToDisplay.Append($"{i + 1}");
+                mapToDisplay.Append(' ', horizontalSpace);
+
+                for (var j = 0; j < _customerMap.GetLength(1); j++)
+                {
+                    mapToDisplay.Append($"{_customerMap[i, j]}");
+                    mapToDisplay.Append(' ', horizontalSpace);
+                }
+
+                mapToDisplay.Append($"{i + 1}");
+                mapToDisplay.Append(' ', horizontalSpace);
+                mapToDisplay.Append(Environment.NewLine);
+            }
+
+            mapToDisplay.AppendLine("-", verticalSpace);
+
+            AppendXLine(mapToDisplay, horizontalSpace);
+
+            return mapToDisplay.ToString();
+        }
+
+        /// <summary>
+        /// Checks if position is out of range or not.
+        /// </summary>
+        /// <param name="x">Represents X position.</param>
+        /// <param name="y">Represents Y position.</param>
+        /// <returns>True if position is out of range otherwise false.</returns>
+        private bool IsPositionOutOfRange(int x, int y)
+        {
+            return 
+                x < 0 || x > _mapSize - 1 || 
+                y < 0 || y > _mapSize - 1;
+        }
+
+        /// <summary>
+        /// Generates array which represents customers map.
+        /// </summary>
+        /// <returns>Returns customers map.</returns>
+        private string[,] GenerateCustomerMap()
+        {
+            string[,] customerMap = new string[_mapSize, _mapSize];
+            string[] customerNames = GetCustomerNames(_mapSize * _mapSize);
+            int currentCustomerNameIndex = 0;
+
+            for (int i = 0; i < customerMap.GetLength(0); i++)
+            {
+                for (int j = 0; j < customerMap.GetLength(1); j++)
+                {
+                    customerMap[i, j] = customerNames[currentCustomerNameIndex++].ToString();
+                }
+            }
+
+            return customerMap;
+        }
+
+        /// <summary>
+        /// Generates customer names. Names are represented by alphanumerics from 'A'. Name of last customer depends on passed parameter.
+        /// </summary>
+        /// <param name="numberOfCustomers">How many customers need to be generated.</param>
+        /// <returns>List of customer names.</returns>
+        private static string[] GetCustomerNames(int numberOfCustomers)
+        {
+            // returns ["A","B","C","D","E","F","G","H","I","J","K","L","M","N","O","P"];
+            return Enumerable.Range(65, numberOfCustomers).Select(c => ((Char)c).ToString()).ToArray();
+        }
+
+        /// <summary>
+        /// Appends line with X coordinates.
+        /// </summary>
+        /// <param name="mapToDisplay">Current map where a new line will be appended.</param>
+        /// <param name="horizontalSpace">Number of horizontal delimiters which will be added between each coordination.</param>
+        private void AppendXLine(StringBuilder mapToDisplay, int horizontalSpace)
+        {
+            mapToDisplay.Append(' ');
+            mapToDisplay.Append('-', horizontalSpace);
+            for (var i = 0; i < _customerMap.GetLength(0); i++)
+            {
+                mapToDisplay.Append($"{i + 1}");
+                mapToDisplay.Append('-', horizontalSpace);
+            }
+            mapToDisplay.Append(Environment.NewLine);
+        }
+    }
+}
\ No newline at end of file
diff --git a/69_Pizza/csharp/Pizza/Pizza.csproj b/69_Pizza/csharp/Pizza/Pizza.csproj
new file mode 100644
index 00000000..74abf5c9
--- /dev/null
+++ b/69_Pizza/csharp/Pizza/Pizza.csproj
@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>
diff --git a/69_Pizza/csharp/Pizza/Pizza.sln b/69_Pizza/csharp/Pizza/Pizza.sln
new file mode 100644
index 00000000..91785a8c
--- /dev/null
+++ b/69_Pizza/csharp/Pizza/Pizza.sln
@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.0.31912.275
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Pizza", "Pizza.csproj", "{6AABE938-39C4-4661-AEA5-23CECA1DFEE1}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{6AABE938-39C4-4661-AEA5-23CECA1DFEE1}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{6AABE938-39C4-4661-AEA5-23CECA1DFEE1}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{6AABE938-39C4-4661-AEA5-23CECA1DFEE1}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{6AABE938-39C4-4661-AEA5-23CECA1DFEE1}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {8F7E9FAD-38C5-47A2-B5CA-2B6E5947B982}
+	EndGlobalSection
+EndGlobal
diff --git a/69_Pizza/csharp/Pizza/PizzaGame.cs b/69_Pizza/csharp/Pizza/PizzaGame.cs
new file mode 100644
index 00000000..22c78e05
--- /dev/null
+++ b/69_Pizza/csharp/Pizza/PizzaGame.cs
@@ -0,0 +1,296 @@
+namespace Pizza
+{
+    internal class PizzaGame
+    {
+        private const int CustomerMapSize = 4;
+        private readonly CustomerMap _customerMap = new CustomerMap(CustomerMapSize);
+
+        /// <summary>
+        /// Starts game. Main coordinator for pizza game.
+        /// It is responsible for showing information, getting data from user and starting to delivery pizza.
+        /// </summary>
+        public void Play()
+        {
+            ShowHeader();
+
+            string playerName = GetPlayerName();
+
+            ShowIntroduction(playerName);
+            ShowMap();
+
+            if (AskForMoreDirections())
+            {
+                ShowMoreDirections(playerName);
+
+                var playerUnderstands = AskIfPlayerUnderstand();
+                if (!playerUnderstands)
+                {
+                    return;
+                }
+            }
+
+            StartDelivery(playerName);
+            EndDelivery(playerName);
+        }
+
+        /// <summary>
+        /// Starts with pizza delivering to customers.
+        /// Every 5 deliveries it is asking user whether want to continue in delivering.
+        /// </summary>
+        /// <param name="playerName">Player name which was filled by user.</param>
+        private void StartDelivery(string playerName)
+        {
+            var numberOfDeliveredPizzas = 0;
+            while (true)
+            {
+                numberOfDeliveredPizzas++;
+                string deliverPizzaToCustomer = GetRandomCustomer();
+
+                WriteEmptyLine();
+                Console.WriteLine($"HELLO {playerName}'S PIZZA.  THIS IS {deliverPizzaToCustomer}.");
+                Console.WriteLine("\tPLEASE SEND A PIZZA.");
+
+                DeliverPizzaByPlayer(playerName, deliverPizzaToCustomer);
+
+                if (numberOfDeliveredPizzas % 5 == 0)
+                {
+                    bool playerWantToDeliveryMorePizzas = AskQuestionWithYesNoResponse("DO YOU WANT TO DELIVER MORE PIZZAS?");
+                    if (!playerWantToDeliveryMorePizzas)
+                    {
+                        WriteEmptyLine();
+                        break;
+                    }
+                }
+            }
+        }
+
+        /// <summary>
+        /// Gets random customer for which pizza should be delivered.
+        /// </summary>
+        /// <returns>Customer name.</returns>
+        private string GetRandomCustomer()
+        {
+            int randomPositionOnX = Random.Shared.Next(0, CustomerMapSize);
+            int randomPositionOnY = Random.Shared.Next(0, CustomerMapSize);
+
+            return _customerMap.GetCustomerOnPosition(randomPositionOnX, randomPositionOnY);
+        }
+
+        /// <summary>
+        /// Delivers pizza to customer by player. It verifies whether player was delivering pizza to correct customer.
+        /// </summary>
+        /// <param name="playerName">Player name which was filled by user.</param>
+        /// <param name="deliverPizzaToCustomer">Customer name which order pizza.</param>
+        private void DeliverPizzaByPlayer(string playerName, string deliverPizzaToCustomer)
+        {
+            while (true)
+            {
+                string userInput = GetPlayerInput($"\tDRIVER TO {playerName}:  WHERE DOES {deliverPizzaToCustomer} LIVE?");
+                var deliveredToCustomer = GetCustomerFromPlayerInput(userInput);
+                if (string.IsNullOrEmpty(deliveredToCustomer))
+                {
+                    deliveredToCustomer = "UNKNOWN CUSTOMER";
+                }
+
+                if (deliveredToCustomer.Equals(deliverPizzaToCustomer))
+                {
+                    Console.WriteLine($"HELLO {playerName}.  THIS IS {deliverPizzaToCustomer}, THANKS FOR THE PIZZA.");
+                    break;
+                }
+
+                Console.WriteLine($"THIS IS {deliveredToCustomer}.  I DID NOT ORDER A PIZZA.");
+                Console.WriteLine($"I LIVE AT {userInput}");
+            }
+        }
+
+        /// <summary>
+        /// Gets customer name by user input with customer coordinations.
+        /// </summary>
+        /// <param name="userInput">Input from users - it should represent customer coordination separated by ','.</param>
+        /// <returns>If coordinations are correct and customer exists then returns true otherwise false.</returns>
+        private string GetCustomerFromPlayerInput(string userInput)
+        {
+            var pizzaIsDeliveredToPosition = userInput?
+                .Split(',')
+                .Select(i => int.TryParse(i, out var customerPosition) ? (customerPosition - 1) : -1)
+                .Where(i => i != -1)
+                .ToArray() ?? Array.Empty<int>();
+            if (pizzaIsDeliveredToPosition.Length != 2)
+            {
+                return string.Empty;
+            }
+
+            return _customerMap.GetCustomerOnPosition(pizzaIsDeliveredToPosition[0], pizzaIsDeliveredToPosition[1]);
+        }
+
+        /// <summary>
+        /// Shows game header in console.
+        /// </summary>
+        private void ShowHeader()
+        {
+            Console.WriteLine("PIZZA".PadLeft(22));
+            Console.WriteLine("CREATIVE COMPUTING  MORRISTOWN, NEW JERSEY");
+            WriteEmptyLine(3);
+            Console.WriteLine("PIZZA DELIVERY GAME");
+            WriteEmptyLine();
+        }
+
+        /// <summary>
+        /// Asks user for name which will be used in game.
+        /// </summary>
+        /// <returns>Player name.</returns>
+        private string GetPlayerName()
+        {
+            return GetPlayerInput("WHAT IS YOUR FIRST NAME:");
+        }
+
+        /// <summary>
+        /// Shows game introduction in console
+        /// </summary>
+        /// <param name="playerName">Player name which was filled by user.</param>
+        private void ShowIntroduction(string playerName)
+        {
+            Console.WriteLine($"HI, {playerName}.  IN THIS GAME YOU ARE TO TAKE ORDERS");
+            Console.WriteLine("FOR PIZZAS.  THEN YOU ARE TO TELL A DELIVERY BOY");
+            Console.WriteLine("WHERE TO DELIVER THE ORDERED PIZZAS.");
+            WriteEmptyLine(2);
+        }
+
+        /// <summary>
+        /// Shows customers map in console. In this method is used overridden method 'ToString' for getting text representation of customers map.
+        /// </summary>
+        private void ShowMap()
+        {
+            Console.WriteLine("MAP OF THE CITY OF HYATTSVILLE");
+            WriteEmptyLine();
+
+            Console.WriteLine(_customerMap.ToString());
+
+            Console.WriteLine("THE OUTPUT IS A MAP OF THE HOMES WHERE");
+            Console.WriteLine("YOU ARE TO SEND PIZZAS.");
+            WriteEmptyLine();
+            Console.WriteLine("YOUR JOB IS TO GIVE A TRUCK DRIVER");
+            Console.WriteLine("THE LOCATION OR COORDINATES OF THE");
+            Console.WriteLine("HOME ORDERING THE PIZZA.");
+            WriteEmptyLine();
+        }
+
+        /// <summary>
+        /// Asks user if needs more directions.
+        /// </summary>
+        /// <returns>True if user need more directions otherwise false.</returns>
+        private bool AskForMoreDirections()
+        {
+            var playerNeedsMoreDirections = AskQuestionWithYesNoResponse("DO YOU NEED MORE DIRECTIONS?");
+            WriteEmptyLine();
+
+            return playerNeedsMoreDirections;
+        }
+
+        /// <summary>
+        /// Shows more directions.
+        /// </summary>
+        /// <param name="playerName">Player name which was filled by user.</param>
+        private void ShowMoreDirections(string playerName)
+        {
+            Console.WriteLine("SOMEBODY WILL ASK FOR A PIZZA TO BE");
+            Console.WriteLine("DELIVERED.  THEN A DELIVERY BOY WILL");
+            Console.WriteLine("ASK YOU FOR THE LOCATION.");
+            Console.WriteLine("\tEXAMPLE:");
+            Console.WriteLine("THIS IS J.  PLEASE SEND A PIZZA.");
+            Console.WriteLine($"DRIVER TO {playerName}.  WHERE DOES J LIVE?");
+            Console.WriteLine("YOUR ANSWER WOULD BE 2,3");
+        }
+
+        /// <summary>
+        /// Asks user if understands to instructions.
+        /// </summary>
+        /// <returns>True if user understand otherwise false.</returns>
+        private bool AskIfPlayerUnderstand()
+        {
+            var playerUnderstands = AskQuestionWithYesNoResponse("UNDERSTAND?");
+            if (!playerUnderstands)
+            {
+                Console.WriteLine("THIS JOB IS DEFINITELY TOO DIFFICULT FOR YOU. THANKS ANYWAY");
+                return false;
+            }
+
+            WriteEmptyLine();
+            Console.WriteLine("GOOD.  YOU ARE NOW READY TO START TAKING ORDERS.");
+            WriteEmptyLine();
+            Console.WriteLine("GOOD LUCK!!");
+            WriteEmptyLine();
+
+            return true;
+        }
+
+        /// <summary>
+        /// Shows message about ending delivery in console.
+        /// </summary>
+        /// <param name="playerName">Player name which was filled by user.</param>
+        private void EndDelivery(string playerName)
+        {
+            Console.WriteLine($"O.K. {playerName}, SEE YOU LATER!");
+            WriteEmptyLine();
+        }
+
+        /// <summary>
+        /// Gets input from user.
+        /// </summary>
+        /// <param name="question">Question which is displayed in console.</param>
+        /// <returns>User input.</returns>
+        private string GetPlayerInput(string question)
+        {
+            Console.Write($"{question} ");
+
+            while (true)
+            {
+                var userInput = Console.ReadLine();
+                if (!string.IsNullOrWhiteSpace(userInput))
+                {
+                    return userInput;
+                }
+            }
+        }
+
+        /// <summary>
+        /// Asks user with required resposne 'YES', 'Y, 'NO', 'N'.
+        /// </summary>
+        /// <param name="question">Question which is displayed in console.</param>
+        /// <returns>True if user write 'YES', 'Y'. False if user write 'NO', 'N'.</returns>
+        private static bool AskQuestionWithYesNoResponse(string question)
+        {
+            var possitiveResponse = new string[] { "Y", "YES" };
+            var negativeResponse = new string[] { "N", "NO" };
+            var validUserInputs = possitiveResponse.Concat(negativeResponse);
+
+            Console.Write($"{question} ");
+
+            string? userInput;
+            while (true)
+            {
+                userInput = Console.ReadLine();
+                if (!string.IsNullOrWhiteSpace(userInput) && validUserInputs.Contains(userInput.ToUpper()))
+                {
+                    break;
+                }
+
+                Console.Write($"'YES' OR 'NO' PLEASE, NOW THEN, {question} ");
+            }
+
+            return possitiveResponse.Contains(userInput.ToUpper());
+        }
+
+        /// <summary>
+        /// Writes empty line in console.
+        /// </summary>
+        /// <param name="numberOfEmptyLines">Number of empty lines which will be written in console. Parameter is optional and default value is 1.</param>
+        private void WriteEmptyLine(int numberOfEmptyLines = 1)
+        {
+            for (int i = 0; i < numberOfEmptyLines; i++)
+            {
+                Console.WriteLine();
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/69_Pizza/csharp/Pizza/Program.cs b/69_Pizza/csharp/Pizza/Program.cs
new file mode 100644
index 00000000..6c21fad0
--- /dev/null
+++ b/69_Pizza/csharp/Pizza/Program.cs
@@ -0,0 +1,11 @@
+namespace Pizza
+{
+    internal class Program
+    {
+        static void Main(string[] args)
+        {
+            var pizzaGame = new PizzaGame();
+            pizzaGame.Play();
+        }
+    }
+}
\ No newline at end of file
diff --git a/69_Pizza/csharp/Pizza/StringBuilderExtensions.cs b/69_Pizza/csharp/Pizza/StringBuilderExtensions.cs
new file mode 100644
index 00000000..f7cb828d
--- /dev/null
+++ b/69_Pizza/csharp/Pizza/StringBuilderExtensions.cs
@@ -0,0 +1,21 @@
+using System.Text;
+
+namespace Pizza
+{
+    internal static class StringBuilderExtensions
+    {
+        /// <summary>
+        /// Extensions for adding new lines of specific value.
+        /// </summary>
+        /// <param name="stringBuilder">Extended class.</param>
+        /// <param name="value">Value which will be repeated.</param>
+        /// <param name="numberOfLines">Number of lines that will be appended.</param>
+        public static void AppendLine(this StringBuilder stringBuilder, string value, int numberOfLines)
+        {
+            for (int i = 0; i < numberOfLines; i++)
+            {
+                stringBuilder.AppendLine(value);
+            }
+        }
+    }
+}
\ No newline at end of file