diff --git a/Common/Data/Excel/ChapterLevelExcel.cs b/Common/Data/Excel/ChapterLevelExcel.cs
new file mode 100644
index 0000000..d8bb7e2
--- /dev/null
+++ b/Common/Data/Excel/ChapterLevelExcel.cs
@@ -0,0 +1,14 @@
+namespace MikuSB.Data.Excel;
+
+[ResourceEntity("level.json")]
+public class ChapterLevelExcel : ExcelResource
+{
+    public uint ID { get; set; }
+
+    public override uint GetId() => ID;
+
+    public override void Loaded()
+    {
+        GameData.ChapterLevelData.Add(ID, this);
+    }
+}
diff --git a/Common/Data/GameData.cs b/Common/Data/GameData.cs
index b225e9b..046caa2 100644
--- a/Common/Data/GameData.cs
+++ b/Common/Data/GameData.cs
@@ -11,6 +11,7 @@ public static class GameData
     public static Dictionary<int, UpgradeExpExcel> UpgradeExpData { get; private set; } = [];
     public static Dictionary<int, BreakLevelLimitExcel> BreakLevelLimitData { get; private set; } = [];
     public static Dictionary<int, RecycleExcel> RecycleData { get; private set; } = [];
+    public static Dictionary<uint, ChapterLevelExcel> ChapterLevelData { get; private set; } = [];
 }
 
 public static class GameResourceTemplateId
diff --git a/GameServer/Game/Player/PlayerInstance.cs b/GameServer/Game/Player/PlayerInstance.cs
index 3448bdc..d63c58b 100644
--- a/GameServer/Game/Player/PlayerInstance.cs
+++ b/GameServer/Game/Player/PlayerInstance.cs
@@ -244,12 +244,11 @@ public class PlayerInstance(PlayerGameData data)
             yield return (4, guideId, 999);
 
         // Launch.GPASSID = 22 stores pass counts. ChapterLevel.GID = 21 stores star flags.
-        // Completing the prologue/early chapter range prevents function conditions from
-        // treating the account as a fresh tutorial player.
-        for (uint levelId = 10_000; levelId <= 10_700; levelId++)
+        // Unlock every level defined in level.json so all chapters are accessible from the start.
+        foreach (var levelId in GameData.ChapterLevelData.Keys)
         {
             yield return (21, levelId, 7);
-            yield return (22, levelId, 1);
+            yield return (22, levelId, 1_700_000_000);
         }
     }
     #endregion