diff --git a/MathGame/MathGame.sln b/MathGame/MathGame.sln
new file mode 100644
index 00000000..02628b79
--- /dev/null
+++ b/MathGame/MathGame.sln
@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.14.37111.16 d17.14
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MathGame", "MathGame\MathGame.csproj", "{1117B72E-7283-4EFF-BFD4-7D38D33D2AFF}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{1117B72E-7283-4EFF-BFD4-7D38D33D2AFF}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{1117B72E-7283-4EFF-BFD4-7D38D33D2AFF}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{1117B72E-7283-4EFF-BFD4-7D38D33D2AFF}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{1117B72E-7283-4EFF-BFD4-7D38D33D2AFF}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {736DC4EB-5F65-49AE-930E-B140DF9CF4AD}
+	EndGlobalSection
+EndGlobal
diff --git a/MathGame/MathGame/MathGame.csproj b/MathGame/MathGame/MathGame.csproj
new file mode 100644
index 00000000..2150e379
--- /dev/null
+++ b/MathGame/MathGame/MathGame.csproj
@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>
diff --git a/MathGame/MathGame/Program.cs b/MathGame/MathGame/Program.cs
new file mode 100644
index 00000000..9e5676d4
--- /dev/null
+++ b/MathGame/MathGame/Program.cs
@@ -0,0 +1,476 @@
+// Math Game Project
+
+using System.Diagnostics;
+
+string? userInput;
+
+int questionsAsked = 0;
+int maxQuestionAsked = 5;
+int correctAnswers = 0;
+
+Stopwatch stopwatch = new();
+
+List<string> gamesPlayed = [];
+
+bool isChronometer = false;
+bool isRandom = false;
+int difficulty = 10;
+int userResult = 0;
+int numberOne = 0;
+int numberTwo = 0;
+int result = 0;
+
+
+do
+{
+    Console.Clear();
+
+    Console.WriteLine("Welcome to Math Game!\n");
+
+    Console.WriteLine("- 1 - Addition operation.");
+    Console.WriteLine("- 2 - Subtraction operation.");
+    Console.WriteLine("- 3 - Division operation.");
+    Console.WriteLine("- 4 - Multiplication operation.");
+    Console.WriteLine("- 5 - Random Game.");
+    Console.WriteLine("- 6 - Change the difficulty.");
+    Console.WriteLine("- 7 - Review results.");
+
+    DisplayDifficulty();
+
+    Console.WriteLine("Please type a number to choose an option from the menu: (exit)");
+
+    userInput = Console.ReadLine().Trim();
+
+    switch (userInput)
+    {
+        case "1":
+            SumOperation();
+            break;
+
+        case "2":
+            SubOperation();
+            break;
+
+        case "3":
+            DivOperation();
+            break;
+
+        case "4":
+            MultOperation();
+            break;
+
+        case "5":
+            PlayRandomGame();
+            break;
+
+        case "6":
+            ModifyDifficulty();
+            break;
+
+        case "7":
+
+            Console.WriteLine("\nReview your games!\n");
+
+            if (gamesPlayed.Count == 0)
+            {
+                Console.WriteLine("You haven't finished any games yet!");
+                Console.WriteLine("\nPress the Enter key to continue.");
+                Console.ReadLine();
+                break;
+            }
+
+            foreach (var game in gamesPlayed)
+            {
+                Console.WriteLine($"{game}");
+            }
+
+            Console.WriteLine("\nPress the Enter key to continue.");
+            Console.ReadLine();
+            break;
+
+        default:
+            break;
+    }
+}
+while (userInput != "exit");
+
+
+int GetRandomNumber(int number)
+{
+    Random randomNumber = new();
+    return randomNumber.Next(1, number);
+}
+
+
+void IsGameOver()
+{
+    if (questionsAsked != maxQuestionAsked)
+    {
+        return;
+    }
+
+    TimeSpan timeSpan = stopwatch.Elapsed;
+
+    string elapsedTime = String.Format("{0:00}:{1:00}:{2:00}.{3:00}", timeSpan.Hours, timeSpan.TotalMinutes, timeSpan.Seconds, timeSpan.Milliseconds / 10);
+
+    gamesPlayed.Add($"You got {correctAnswers}/{maxQuestionAsked} correct answers! - Time: {elapsedTime}");
+
+    Console.WriteLine("\nGame over!\n");
+    Console.WriteLine($"Here are your results: {correctAnswers}/{maxQuestionAsked}");
+    Console.WriteLine($"You complete the game under: {elapsedTime}");
+    Console.WriteLine("\nPress the Enter key to play a new game.");
+
+    correctAnswers = 0;
+    questionsAsked = 0;
+
+    stopwatch.Reset();
+    isChronometer = false;
+
+    Console.ReadLine();
+
+    return;
+}
+
+
+void CheckQuestion(int userAnswer, int operationResult)
+{
+    if (userAnswer == operationResult)
+    {
+        Console.WriteLine("\nCorrect!");
+        questionsAsked++;
+        correctAnswers++;
+    }
+    else
+    {
+        Console.WriteLine("\nWrong answer!");
+        questionsAsked++;
+    }
+
+    Console.WriteLine("\nPress the Enter key to continue.");
+    Console.ReadLine();
+}
+
+
+int DisplayOperation(char charOperation, int valueOne, int valueTwo)
+{
+    int parsedInput = 0;
+
+    do
+    {
+        Console.Clear();
+        Console.WriteLine("\nWhat is the result of the following operation?");
+        Console.WriteLine($"\n{valueOne} {charOperation} {valueTwo} = ? \n");
+        userInput = Console.ReadLine().Trim();
+    }
+    while (int.TryParse(userInput, out parsedInput) == false);
+
+    return parsedInput;
+}
+
+
+void SumOperation()
+{
+    if (isRandom)
+    {
+        numberOne = GetRandomNumber(difficulty);
+        numberTwo = GetRandomNumber(difficulty);
+
+        result = numberOne + numberTwo;
+
+        userResult = DisplayOperation('+', numberOne, numberTwo);
+
+        CheckQuestion(userResult, result);
+
+        return;
+    }
+
+    CheckChronometerStatus();
+
+    for (int i = 0; i < maxQuestionAsked; i++)
+    {
+        numberOne = GetRandomNumber(difficulty);
+        numberTwo = GetRandomNumber(difficulty);
+
+        result = numberOne + numberTwo;
+
+        userResult = DisplayOperation('+', numberOne, numberTwo);
+
+        CheckQuestion(userResult, result);
+    }
+
+    Console.Clear();
+    IsGameOver();
+}
+
+
+void SubOperation()
+{
+    if (isRandom)
+    {
+        numberOne = GetRandomNumber(difficulty);
+        numberTwo = GetRandomNumber(difficulty);
+
+        result = Math.Abs(numberOne - numberTwo);
+
+        userResult = DisplayOperation('-', numberOne, numberTwo);
+
+        CheckQuestion(userResult, result);
+
+        return;
+    }
+
+    CheckChronometerStatus();
+
+    for (int i = 0; i < maxQuestionAsked; i++)
+    {
+        numberOne = GetRandomNumber(difficulty);
+        numberTwo = GetRandomNumber(difficulty);
+
+        result = Math.Abs(numberOne - numberTwo);
+
+        userResult = DisplayOperation('-', numberOne, numberTwo);
+
+        CheckQuestion(userResult, result);
+    }
+
+    Console.Clear();
+    IsGameOver();
+}
+
+
+void DivOperation()
+{
+    if (isRandom)
+    {
+        numberOne = GetRandomNumber(difficulty);
+        numberTwo = GetRandomNumber(difficulty);
+
+        result = numberOne % numberTwo;
+
+        if (result == 0)
+        {
+            result = numberOne / numberTwo;
+        }
+        else
+        {
+            while (result != 0)
+            {
+                numberOne = GetRandomNumber(difficulty);
+                numberTwo = GetRandomNumber(difficulty);
+
+                result = numberOne % numberTwo;
+            }
+
+            result = numberOne / numberTwo;
+        }
+
+        userResult = DisplayOperation('/', numberOne, numberTwo);
+
+        CheckQuestion(userResult, result);
+
+        return;
+    }
+
+    CheckChronometerStatus();
+
+    for (int i = 0; i < maxQuestionAsked; i++)
+    {
+        numberOne = GetRandomNumber(difficulty);
+        numberTwo = GetRandomNumber(difficulty);
+
+        result = numberOne % numberTwo;
+
+        if (result == 0)
+        {
+            result = numberOne / numberTwo;
+        }
+        else
+        {
+            while (result != 0)
+            {
+                numberOne = GetRandomNumber(difficulty);
+                numberTwo = GetRandomNumber(difficulty);
+
+                result = numberOne % numberTwo;
+            }
+
+            result = numberOne / numberTwo;
+        }
+
+        userResult = DisplayOperation('/', numberOne, numberTwo);
+
+        CheckQuestion(userResult, result);
+    }
+
+    Console.Clear();
+    IsGameOver();
+}
+
+
+void MultOperation()
+{
+    if (isRandom)
+    {
+        numberOne = GetRandomNumber(difficulty);
+        numberTwo = GetRandomNumber(difficulty);
+
+        result = numberOne * numberTwo;
+
+        userResult = DisplayOperation('x', numberOne, numberTwo);
+
+        CheckQuestion(userResult, result);
+
+        return;
+    }
+
+    CheckChronometerStatus();
+
+    for (int i = 0; i < maxQuestionAsked; i++)
+    {
+        numberOne = GetRandomNumber(difficulty);
+        numberTwo = GetRandomNumber(difficulty);
+
+        result = numberOne * numberTwo;
+
+        userResult = DisplayOperation('x', numberOne, numberTwo);
+
+        CheckQuestion(userResult, result);
+    }
+
+    Console.Clear();
+    IsGameOver();
+}
+
+
+void PlayRandomGame()
+{
+    do
+    {
+        Console.WriteLine("\nDo you want to play a random game? Y/N");
+        userInput = Console.ReadLine().ToLower().Trim();
+    }
+    while (userInput != "y" && userInput != "n");
+
+    if (userInput.Equals("y"))
+    {
+        isRandom = true;
+
+        CheckChronometerStatus();
+
+        for (int i = 0; i < maxQuestionAsked; i++)
+        {
+            int index = GetRandomNumber(4);
+
+            switch (index)
+            {
+                case 0:
+                    SumOperation();
+                    break;
+
+                case 1:
+                    SubOperation();
+                    break;
+
+                case 2:
+                    DivOperation();
+                    break;
+
+                case 3:
+                    MultOperation();
+                    break;
+
+                default:
+                    break;
+            }
+        }
+
+        Console.Clear();
+
+        isRandom = false;
+
+        IsGameOver();
+    }
+    else
+    {
+        Console.WriteLine("\nYou cancel the game.");
+        Console.WriteLine("\nPress the Enter key to continue.");
+        Console.ReadLine();
+    }
+}
+
+
+void ModifyDifficulty()
+{
+    Console.Clear();
+
+    Console.WriteLine("\nProgression level\n");
+
+    Console.WriteLine("- 1 - Easy Level");
+    Console.WriteLine("- 2 - Medium Level");
+    Console.WriteLine("- 3 - Hard Level");
+
+    DisplayDifficulty();
+
+    Console.WriteLine("Type \"back\" to go back to main menu");
+
+    do
+    {
+        Console.WriteLine("\nChoose an option from the menu\n");
+        userInput = Console.ReadLine().Trim();
+
+        switch (userInput)
+        {
+
+            case "1":
+                Console.WriteLine("\nEasy level setted!");
+                difficulty = 10;
+                Console.WriteLine("\nPress the Enter key to continue.");
+                Console.ReadLine();
+                return;
+
+            case "2":
+                Console.WriteLine("\nMedium level setted!");
+                difficulty = 100;
+                Console.WriteLine("\nPress the Enter key to continue.");
+                Console.ReadLine();
+                return;
+
+            case "3":
+                Console.WriteLine("\nHard level setted!");
+                difficulty = 1000;
+                Console.WriteLine("\nPress the Enter key to continue.");
+                Console.ReadLine();
+                return;
+        }
+    }
+    while (userInput != "back");
+}
+
+
+void DisplayDifficulty() 
+{
+    switch (difficulty)
+    {
+        case 10:
+            Console.WriteLine($"\nCurrent level of difficulty is Easy.\n");
+            break;
+
+        case 100:
+            Console.WriteLine($"\nCurrent level of difficulty is Medium.\n");
+            break;
+
+        case 1000:
+            Console.WriteLine($"\nCurrent level of difficulty is Hard.\n");
+            break;
+    }
+}
+
+
+void CheckChronometerStatus()
+{
+    if (!isChronometer)
+    {
+        stopwatch.Start();
+        isChronometer = true;
+    }
+}
\ No newline at end of file