diff --git a/minji/src/App.js b/minji/src/App.js
index f53916abe..ee9f6a3c1 100644
--- a/minji/src/App.js
+++ b/minji/src/App.js
@@ -1,5 +1,13 @@
+const { BaseballGame } = require("./BaseballGame");
+
 class App {
-  play() {}
+  play() {
+    const game = new BaseballGame();
+    game.start();
+  }
 }
 
+const app = new App();
+app.play();
+
 module.exports = App;
diff --git a/minji/src/BaseballGame.js b/minji/src/BaseballGame.js
new file mode 100644
index 000000000..0fd5f8175
--- /dev/null
+++ b/minji/src/BaseballGame.js
@@ -0,0 +1,95 @@
+const { Console, Random } = require("@woowacourse/mission-utils");
+const { GameConsole } = require("./GameConsole");
+
+class BaseballGame {
+  #answer;
+  #inputNumbers;
+  #strikeCnt;
+  #ballCnt;
+  #console;
+
+  constructor() {
+    this.#answer = null;
+    this.#inputNumbers = null;
+    this.#strikeCnt = null;
+    this.#ballCnt = null;
+    this.#console = new GameConsole();
+  }
+
+  start() {
+    this.#makeRandomNumbers();
+    this.#console.printStart();
+    this.#getUserInput();
+  }
+
+  exit() {
+    Console.close();
+  }
+
+  restart() {
+    this.#answer = null;
+    this.#inputNumbers = null;
+    this.#strikeCnt = null;
+    this.#ballCnt = null;
+    this.#makeRandomNumbers();
+    this.#getUserInput();
+  }
+
+  #checkStrikeCnt() {
+    let cnt = 0;
+    for (let i = 0; i < 3; i += 1) {
+      if (this.#answer[i] === Number(this.#inputNumbers[i])) cnt += 1;
+    }
+    this.#strikeCnt = cnt;
+  }
+  #checkBallCnt() {
+    let cnt = 0;
+    this.#inputNumbers.forEach((v, i) => {
+      if (Number(v) === this.#answer[0] && i !== 0) cnt++;
+      if (Number(v) === this.#answer[1] && i !== 1) cnt++;
+      if (Number(v) === this.#answer[2] && i !== 2) cnt++;
+    });
+
+    this.#ballCnt = cnt;
+  }
+  #getUserInput() {
+    this.#console.inputNumbers(this.#userNumberAfterFunc.bind(this));
+  }
+  #userNumberAfterFunc(numbers) {
+    this.#inputNumbers = numbers.split("");
+    this.#matchWithAnswer();
+  }
+  #cmdAfterFunc(cmd) {
+    if (cmd === "1") this.restart();
+    if (cmd === "2") this.exit();
+  }
+  #makeRandomNumbers() {
+    const computer = [];
+    while (computer.length < 3) {
+      const number = Random.pickNumberInRange(1, 9);
+      if (!computer.includes(number)) {
+        computer.push(number);
+      }
+    }
+    this.#answer = computer;
+    console.log(this.#answer); // 확인용
+  }
+
+  #matchWithAnswer() {
+    this.#checkStrikeCnt();
+    this.#checkBallCnt();
+
+    this.#console.printResult(this.#strikeCnt, this.#ballCnt);
+
+    if (this.#strikeCnt === 3) {
+      this.#console.printEnd();
+      this.#console.inputCmd(this.#cmdAfterFunc.bind(this));
+      return;
+    }
+    this.#getUserInput();
+  }
+}
+
+module.exports = {
+  BaseballGame,
+};
diff --git a/minji/src/GameConsole.js b/minji/src/GameConsole.js
new file mode 100644
index 000000000..de683d903
--- /dev/null
+++ b/minji/src/GameConsole.js
@@ -0,0 +1,51 @@
+const { Console } = require("@woowacourse/mission-utils");
+const { validateCmdInput, validateNumbersInput } = require("./Validator");
+
+class GameConsole {
+  #outputs = {
+    START_MESSAGE: "숫자 야구 게임을 시작합니다.",
+    REQUIRE_NUMBERS: "숫자를 입력해주세요 : ",
+    REQUIRE_CMD: "게임을 새로 시작하려면 1, 종료하려면 2를 입력하세요.",
+    END_MESSAGE: "3개의 숫자를 모두 맞히셨습니다! 게임 종료",
+  };
+
+  printStart() {
+    Console.print(this.#outputs.START_MESSAGE);
+  }
+  printResult(strike, ball) {
+    if (strike === 0 && ball === 0) {
+      Console.print("낫싱");
+      return;
+    }
+    if (strike === 0) {
+      Console.print(ball + "볼");
+      return;
+    }
+    if (ball === 0) {
+      Console.print(strike + "스트라이크");
+      return;
+    }
+    Console.print(`${ball}볼 ${strike}스트라이크`);
+  }
+
+  printEnd() {
+    Console.print(this.#outputs.END_MESSAGE);
+  }
+
+  inputNumbers(callback) {
+    Console.readLine(this.#outputs.REQUIRE_NUMBERS, (numbers) => {
+      validateNumbersInput(numbers);
+      return callback(numbers);
+    });
+  }
+  inputCmd(callback) {
+    Console.readLine(this.#outputs.REQUIRE_CMD, (cmd) => {
+      validateCmdInput(cmd);
+      return callback(cmd);
+    });
+  }
+}
+
+module.exports = {
+  GameConsole,
+};
diff --git a/minji/src/Validator.js b/minji/src/Validator.js
new file mode 100644
index 000000000..acd1a1de4
--- /dev/null
+++ b/minji/src/Validator.js
@@ -0,0 +1,24 @@
+const { Console } = require("@woowacourse/mission-utils");
+
+function validateNumbersInput(numbers) {
+  if (numbers.length != 3) {
+    Console.close();
+    throw new Error("잘못된 입력입니다.");
+  }
+  if (isNaN(numbers)) {
+    throw new Error("숫자만 입력해주세요.");
+  }
+  for (idx in numbers) {
+    if (numbers.indexOf(numbers[idx]) !== Number(idx)) {
+      throw new Error("중복된 숫자가 있습니다.");
+    }
+  }
+}
+
+function validateCmdInput(cmd) {
+  if (cmd !== "1" && cmd !== "2") {
+    throw new Error("잘못된 입력입니다.");
+  }
+}
+
+module.exports = { validateCmdInput, validateNumbersInput };
diff --git a/src/tempCodeRunnerFile.js b/src/tempCodeRunnerFile.js
new file mode 100644
index 000000000..0f2a98457
--- /dev/null
+++ b/src/tempCodeRunnerFile.js
@@ -0,0 +1,2 @@
+const app = new App();
+app.play();