adding first rev of game

AttemptAnConsoleApp.csproj

+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+  </PropertyGroup>
+
+</Project>

AttemptAnConsoleApp.sln

+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.31112.23
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AttemptAnConsoleApp", "AttemptAnConsoleApp.csproj", "{B6F4D214-EE06-4C16-8AA7-07C56B3C1C31}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{B6F4D214-EE06-4C16-8AA7-07C56B3C1C31}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{B6F4D214-EE06-4C16-8AA7-07C56B3C1C31}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{B6F4D214-EE06-4C16-8AA7-07C56B3C1C31}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{B6F4D214-EE06-4C16-8AA7-07C56B3C1C31}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {D9A44CFC-1352-400C-A847-4F3F3D8DF9A3}
+	EndGlobalSection
+EndGlobal

Program.cs

+using System.Text.RegularExpressions;
+using System;
+
+namespace AttemptAnConsoleApp
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            Random r = new Random();
+            bool game = true;
+            Console.WriteLine("Welcome to the game, anytime you want to quit, type 'q'");
+            while (game)
+            { 
+                int answer = r.Next(1, 9);
+                bool cont = true;
+
+                while (cont)                 
+                {
+                    Console.WriteLine("Guess a number between 1 and 9");
+                    char userInput = Console.ReadKey().KeyChar;
+                    if (!IsValidInput(userInput))
+                    {
+                        continue;
+                    }
+                    if(userInput == 'q')
+                    {
+                        game = false;
+                        break;
+                    }
+                    
+                    int IntUserInput = int.Parse(userInput.ToString());
+
+
+                    if (IntUserInput == answer) 
+                    {
+                        string message = Environment.NewLine + "That is correct!";
+                        Console.WriteLine(message);
+                        cont = false;
+                    }
+                    else
+                    {
+                        string message = Environment.NewLine + "That is not the number I thought of!";
+                        Console.WriteLine(message);
+                        Console.WriteLine("Try again!");
+                    }
+                }
+                if (game == false)
+                {
+                    Console.WriteLine();
+                    break;
+                }
+                Console.WriteLine(Environment.NewLine + "Let's play more! Remember you can type q to exit!");
+                Console.WriteLine();
+                
+            }
+            Console.WriteLine("Thanks for playing, exiting...");
+        }
+        
+        static bool IsValidInput(char character)
+        {
+            Regex ValidInput = new Regex("([1-9]|q)");
+            Match Inputmatch = ValidInput.Match(character.ToString());
+            if (Inputmatch.Success)
+            {
+                return true;
+            }
+            Console.WriteLine();
+            Console.WriteLine("that is not a valid input, input a number between 1 and 9, or 'q' to quit");
+            return false;
+        }
+    }
+}