diff --git a/quests/checkpoint-02/answer.sh b/quests/checkpoint-02/answer.sh
new file mode 100644
index 0000000..314821b
--- /dev/null
+++ b/quests/checkpoint-02/answer.sh
@@ -0,0 +1,7 @@
+echo start
+echo next
+ls
+cat hello.txt
+cat pneumonoultramicroscopicsilicovolcanoconiosis.txt
+mkdir folder
+touch folder/file.txt
\ No newline at end of file
diff --git a/quests/checkpoint-02/game.yml b/quests/checkpoint-02/game.yml
new file mode 100644
index 0000000..2919986
--- /dev/null
+++ b/quests/checkpoint-02/game.yml
@@ -0,0 +1,97 @@
+id: checkpoint-02
+title: 測驗二
+image: base
+instruction: |
+  在這個關卡中，將會考驗你是否理解以下內容：
+  1. `cat`：用來查看檔案的內容
+  2. `touch`：用來建立檔案
+  3. `mkdir`：用來建立資料夾
+  4. 用 `tab` 鍵來自動補全
+  5. 之前測驗包含的內容
+
+requirements:
+  - create
+
+stages:
+  - id: start
+    name: 按下 `開始` 按鈕開始
+    condition:
+      command: echo start
+    response:
+      content: |
+        這個關卡將會測試你是否理解之前的教學內容。
+        因此不會告訴你要輸入什麼指令。
+        請思考並應用正確的指令來完成任務。
+
+        現在，請讓終端機輸出 `next` 來繼續。
+
+  - id: next
+    name: 讓終端機輸出 `next`
+    requirements:
+      - start
+    condition:
+      output: next
+    response:
+      content: |
+        現在請你查看目前資料夾的內容。
+
+  - id: ls-home
+    name: 查看目前資料夾的內容
+    requirements:
+      - next
+    condition:
+      pwd: /home/commander
+      command: ls
+    response:
+      content: |
+        請查看 `hello.txt` 檔案的內容。
+
+  - id: cat-hello
+    name: 查看 `hello.txt` 檔案內容
+    requirements:
+      - ls-home
+    condition:
+      command: cat hello.txt
+      output: This is `hello.txt`.
+    response:
+      content: |
+        請查看另一個有著很長檔名的檔案內容。
+
+  - id: cat-long-filename
+    name: 查看另一個檔案的內容
+    requirements:
+      - cat-hello
+    condition:
+      command: cat pneumonoultramicroscopicsilicovolcanoconiosis.txt
+      output: A name that has been invented for a lung disease caused by breathing in very small pieces of ash or dust.
+    response:
+      content: |
+        現在請你建立一個名稱為 `folder` 的資料夾。
+
+  - id: mkdir-folder
+    name: 建立名稱為 `folder` 的資料夾
+    requirements:
+      - cat-long-filename
+    condition:
+      files:
+        - path: /home/commander/folder
+          type: directory
+          exists: true
+    response:
+      content: |
+        最後，請你在 `folder` 資料夾中，
+        建立檔名為 `file.txt` 的檔案。
+
+  - id: finish
+    name: 在 `folder` 中建立檔名為 `file.txt` 的檔案
+    requirements:
+      - mkdir-folder
+    condition:
+      files:
+        - path: /home/commander/folder/file.txt
+          type: file
+          exists: true
+    response:
+      content: |
+        恭喜你通過了這個測驗！
+        你可以繼續學習之後的教學內容了。
diff --git a/quests/checkpoint-02/home/hello.txt b/quests/checkpoint-02/home/hello.txt
new file mode 100644
index 0000000..3bd5213
--- /dev/null
+++ b/quests/checkpoint-02/home/hello.txt
@@ -0,0 +1 @@
+This is `hello.txt`.
diff --git a/quests/checkpoint-02/home/pneumonoultramicroscopicsilicovolcanoconiosis.txt b/quests/checkpoint-02/home/pneumonoultramicroscopicsilicovolcanoconiosis.txt
new file mode 100644
index 0000000..7689edb
--- /dev/null
+++ b/quests/checkpoint-02/home/pneumonoultramicroscopicsilicovolcanoconiosis.txt
@@ -0,0 +1 @@
+A name that has been invented for a lung disease caused by breathing in very small pieces of ash or dust.