diff --git a/script.js b/script.js
index b7c69b9..84f0d32 100644
--- a/script.js
+++ b/script.js
@@ -5,12 +5,18 @@ const machineScore = document.querySelector("#machine-score")
 let humanScoreNumber = 0
 let machineScoreNumber = 0
 
+const GAME_OPTIONS = {
+    ROCK: "rock",
+    PAPER: "paper",
+    SCISSORS: "scissors"
+}
+
 const playHuman = (humanChoise) => {
     playTheGame (humanChoise, playMachine())
 }
 
 const playMachine = () => {
-    const choises = ["rock", "paper", "scissors"]
+    const choises = [GAME_OPTIONS.ROCK, GAME_OPTIONS.PAPER, GAME_OPTIONS.SCISSORS]
     const randomNumber = Math.floor(Math.random() * 3)
 
     return choises[randomNumber]
@@ -23,9 +29,9 @@ const playTheGame = (human, machine) => {
         result.innerHTML = "Deu empate!"
     }
 
-    else if ((human === "paper" && machine === "rock") || 
-    (human === "rock" && machine === "scissors") ||
-    (human === "scissors" && machine === "paper")) {
+    else if ((human === GAME_OPTIONS.PAPER && machine === GAME_OPTIONS.ROCK) || 
+    (human === GAME_OPTIONS.ROCK && machine === GAME_OPTIONS.SCISSORS) ||
+    (human === GAME_OPTIONS.SCISSORS && machine === GAME_OPTIONS.PAPER)) {
 
         humanScoreNumber++
         humanScore.innerHTML = humanScoreNumber