diff --git a/script.js b/script.js
index bbe8a29..e89a62a 100644
--- a/script.js
+++ b/script.js
@@ -1,4 +1,216 @@
+//pseudocode
+// 1.) User types (s|scizzors, p|paper, r|rock)
+// 1.1) (1) Scizzors (2)Paper (3) rock -> number to RPS
+// 2) Converts user RPS to number
+// 3.) Computer randomizes a number
+// 4.) Compare user and computer input
+// 5.)
+
+//Global Variables
+var userRPS = "";
+var compRPS = "";
+
+var loses = 0;
+var wins = 0;
+var draws = 0;
+
+var userName = "";
+
+var gameMode_Name = "name";
+var gameMode_RPS = "rps";
+var gameMode_Reverse = "rev";
+var gameMode_GameSel = "sel";
+
+var gameMode_Current = "name";
+
+// Convert RPS to number
+var convertToNum = function (rps) {
+  var usrPick = rps.toLowerCase();
+  if (usrPick == "scizzors" || usrPick == "s") return 1;
+  else if (usrPick == "paper" || usrPick == "p") return 2;
+  else if (usrPick == "rock" || usrPick == "r") return 3;
+  else return 0;
+};
+
+// Convert Num to RPS
+var convertToRPS = function (num) {
+  if (num == 1) return "SCISSORS ✂️";
+  else if (num == 2) return "PAPER 📃";
+  else return "ROCK 🌑";
+};
+
+//Computer Randomize
+var computerRPS = function () {
+  var rndNum = Math.ceil(Math.random() * 3);
+  return rndNum;
+};
+
+//user won
+var usrWin = function () {
+  wins += 1;
+  return `You WIN! NICE!<br><br>`;
+};
+
+//user lost
+var usrLose = function () {
+  loses += 1;
+  return `You LOST! Bummer.<br><br>`;
+};
+
+//Draw
+var itsDraw = function () {
+  draws += 1;
+  return `It's a DRAW!<br><br>`;
+};
+
+//Show Game Stats
+var gameStats = function () {
+  var statOutput = `${userName}'s Game Stats:<br>
+  Wins: ${wins}<br>
+  Losses: ${loses}<br>
+  Draws: ${draws}<br><br>`;
+  var comment = "";
+  if (wins >= loses) comment = "You are doing good!";
+  else comment = "Do better! You can do it!";
+
+  return statOutput + comment;
+};
+
+//analyze result
+var gameResult = function (compareResult) {
+  var rtnResult = `The computer chose ${compRPS}. <br>
+  You chose ${userRPS}.<br><br>`;
+
+  var cResult = "";
+  if (compareResult == 1) cResult = usrWin();
+  else if (compareResult == 2) cResult = usrLose();
+  else cResult = itsDraw();
+
+  return rtnResult + cResult + gameStats();
+};
+
+//Compare user input to computer
+var compareRPSResult = function (usrInput, compInput) {
+  // 0: draw
+  // 1: user wins
+  // 2: computer wins
+
+  // -- scizzors
+  if (usrInput == 1 && compInput == 2) return gameResult(1);
+  else if (usrInput == 1 && compInput == 3) return gameResult(2);
+  // -- paper
+  else if (usrInput == 2 && compInput == 3) return gameResult(1);
+  else if (usrInput == 2 && compInput == 1) return gameResult(2);
+  // -- rock
+  else if (usrInput == 3 && compInput == 1) return gameResult(1);
+  else if (usrInput == 3 && compInput == 2) return gameResult(2);
+  else return gameResult(0);
+};
+
+var rCompareRPSResult = function (usrInput, compInput) {
+  // 0: draw
+  // 1: user wins
+  // 2: computer wins
+
+  // -- scizzors
+  if (usrInput == 1 && compInput == 2) return gameResult(2);
+  else if (usrInput == 1 && compInput == 3) return gameResult(1);
+  // -- paper
+  else if (usrInput == 2 && compInput == 3) return gameResult(2);
+  else if (usrInput == 2 && compInput == 1) return gameResult(1);
+  // -- rock
+  else if (usrInput == 3 && compInput == 1) return gameResult(2);
+  else if (usrInput == 3 && compInput == 2) return gameResult(1);
+  else return gameResult(0);
+};
+
+var rpsGame = function (userChose) {
+  //get rps num
+  var usrPickNum = convertToNum(userChose);
+  console.log("user pick", usrPickNum);
+
+  if (usrPickNum == 0)
+    return "Not in the option, please pick rock(r), paper(p), or scizzors(s)";
+
+  userRPS = convertToRPS(usrPickNum);
+  //get randomized pick
+
+  var compPickNum = computerRPS();
+  compRPS = convertToRPS(compPickNum);
+  console.log("computer pick", compPickNum, compRPS);
+
+  //compare result
+
+  if (gameMode_Current == gameMode_Reverse)
+    return `Game Mode: Reverse Rock-Paper-Scissors. <br><br> ${rCompareRPSResult(
+      usrPickNum,
+      compPickNum
+    )}`;
+  return `Game Mode: Reverse Rock-Paper-Scissors. <br><br> ${compareRPSResult(
+    usrPickNum,
+    compPickNum
+  )}`;
+};
+
+//----MAIN
 var main = function (input) {
-  var myOutputValue = 'hello world';
-  return myOutputValue;
+  if (input == null || input == "") return "Please enter a name.";
+
+  //gets users name
+  if (gameMode_Current == gameMode_Name) {
+    userName = input;
+    gameMode_Current = gameMode_GameSel; //change game mode to game select
+    return `Welcome ${userName}. <br><br>
+    Please select a gamemode: <br>
+    -type 'rps' for Rock-Paper-Scissors<br>
+    -type 'rev' for reverse Rock-Paper-Scissors`;
+  } else {
+    if (gameMode_Current == gameMode_GameSel) {
+      if (input.toLowerCase() == "rps") {
+        gameMode_Current = gameMode_RPS;
+        return "Game Mode: Rock-Paper-Scissors<br> Type r|rock, p|paper, s|scissors";
+      } else if (input.toLowerCase() == "rev") {
+        gameMode_Current = gameMode_Reverse;
+        return "Game Mode: Reverse Rock-Paper-Scissors<br> Type r|rock, p|paper, s|scissors";
+      } else
+        return `Hi ${userName}, please enter a game mode. <br> 
+      -type 'rps' for Rock-Paper-Scissors<br>
+      -type 'rev' for reverse Rock-Paper-Scissors`;
+    }
+    //game proper
+    else {
+      //game mode: change name
+      if (input.toLowerCase() == "name") {
+        gameMode_Current = gameMode_Name;
+        return `Game Mode: Naming<br>
+        Please Enter your name.`;
+      }
+      //game mode: change mode to rps
+      else if (input.toLowerCase() == "rps") {
+        if (gameMode_Current == gameMode_RPS)
+          return `Game Mode is already Rock-Paper-Scissors.<br>
+        Type r|rock, p|paper, s|scissors`;
+
+        gameMode_Current == gameMode_RPS;
+        return `Game Mode: Game Select<br>
+        Please Enter your game. <br>
+        -type 'rps' for Rock-Paper-Scissors<br>
+        -type 'rev' for reverse Rock-Paper-Scissors`;
+      }
+      //game mode: change mode to reverse
+      else if (input.toLowerCase() == "rev") {
+        if (gameMode_Current == gameMode_Reverse)
+          return `Game Mode is already Reverse Rock-Paper-Scissors.<br>
+        Type r|rock, p|paper, s|scissors`;
+
+        gameMode_Current == gameMode_Reverse;
+        return `Game Mode: Game Select<br>
+        Please Enter your game. <br>
+        -type 'rps' for Rock-Paper-Scissors<br>
+        -type 'rev' for reverse Rock-Paper-Scissors`;
+      }
+      //continue game
+      else return rpsGame(input);
+    }
+  }
 };