diff --git a/OpenTaiko/src/Common/CConfigIni.cs b/OpenTaiko/src/Common/CConfigIni.cs
index fb6caa4b..8967a672 100644
--- a/OpenTaiko/src/Common/CConfigIni.cs
+++ b/OpenTaiko/src/Common/CConfigIni.cs
@@ -1505,7 +1505,8 @@ namespace TJAPlayer3
 
 		public bool bAuto先生の連打;
 		public int nRollsPerSec;
-		public int nAILevel;
+		public int nDefaultAILevel = 4;
+		public int nAILevel = 4;
 		public bool bAIBattleMode = false;
 
 		public CAIPerformances[] apAIPerformances =
@@ -1595,6 +1596,11 @@ namespace TJAPlayer3
 		public bool bIsEnabledSystemMenu;			// #28200 2012.5.1 yyagi System Menuの使用可否切替
 		public string strSystemSkinSubfolderFullName;	// #28195 2012.5.2 yyagi Skin切替用 System/以下のサブフォルダ名
 
+		public void tInitializeAILevel()
+		{
+			this.nAILevel = this.nDefaultAILevel;
+		}
+
 		public bool bEnterがキー割り当てのどこにも使用されていない
 		{
 			get
@@ -2497,7 +2503,7 @@ namespace TJAPlayer3
 			sw.WriteLine("Taiko5P={0}", this.bAutoPlay[4] ? 1 : 0);
 			sw.WriteLine("TaikoAutoRoll={0}", this.bAuto先生の連打 ? 1 : 0);
 			sw.WriteLine("RollsPerSec={0}", this.nRollsPerSec);
-			sw.WriteLine("AILevel={0}", this.nAILevel);
+			sw.WriteLine("DefaultAILevel={0}", this.nDefaultAILevel);
 			//sw.WriteLine("AIBattleMode={0}", bAIBattleMode ? 1 : 0);
 			sw.WriteLine();
             sw.WriteLine(";-------------------");
@@ -3407,9 +3413,10 @@ namespace TJAPlayer3
                                         {
 											this.nRollsPerSec = int.Parse(str4);
                                         }
-										else if (str3.Equals("AILevel"))
+										else if (str3.Equals("DefaultAILevel"))
                                         {
-											this.nAILevel = int.Parse(str4);
+											this.nDefaultAILevel = int.Parse(str4);
+											this.nAILevel = this.nDefaultAILevel;
 										}
 										/*
 										if (str3.Equals("AIBattleMode"))
diff --git a/OpenTaiko/src/Common/TJAPlayer3.cs b/OpenTaiko/src/Common/TJAPlayer3.cs
index a85cd27f..53ab90da 100644
--- a/OpenTaiko/src/Common/TJAPlayer3.cs
+++ b/OpenTaiko/src/Common/TJAPlayer3.cs
@@ -1243,6 +1243,7 @@ namespace TJAPlayer3
 								ConfigIni.nPreviousPlayerCount = ConfigIni.nPlayerCount;
                                 ConfigIni.nPlayerCount = 2;
 								ConfigIni.bAIBattleMode = true;
+								ConfigIni.tInitializeAILevel();
 								//-----------------------------
 								#endregion
 								break;
diff --git a/OpenTaiko/src/Databases/DBCharacter.cs b/OpenTaiko/src/Databases/DBCharacter.cs
index f9ae2a40..c8812c30 100644
--- a/OpenTaiko/src/Databases/DBCharacter.cs
+++ b/OpenTaiko/src/Databases/DBCharacter.cs
@@ -19,8 +19,8 @@ namespace TJAPlayer3
             {
                 float mult = 1f;
 
-                if (Gauge == "Hard") mult *= 1.5f;
-                if (Gauge == "Extreme") mult *= 1.8f;
+                if (Gauge == "Hard" && !TJAPlayer3.ConfigIni.bForceNormalGauge) mult *= 1.5f;
+                if (Gauge == "Extreme" && !TJAPlayer3.ConfigIni.bForceNormalGauge) mult *= 1.8f;
 
                 return mult;
             }
diff --git a/OpenTaiko/src/Stages/04.Config/CActConfigList.cs b/OpenTaiko/src/Stages/04.Config/CActConfigList.cs
index 14fb2d19..31c17713 100644
--- a/OpenTaiko/src/Stages/04.Config/CActConfigList.cs
+++ b/OpenTaiko/src/Stages/04.Config/CActConfigList.cs
@@ -338,7 +338,7 @@ namespace TJAPlayer3
 				CLangManager.LangInstance.GetString(61));
 			this.list項目リスト.Add(this.iRollsPerSec);
 
-			this.iAILevel = new CItemInteger(CLangManager.LangInstance.GetString(12), 1, 10, TJAPlayer3.ConfigIni.nAILevel,
+			this.iAILevel = new CItemInteger(CLangManager.LangInstance.GetString(12), 1, 10, TJAPlayer3.ConfigIni.nDefaultAILevel,
 				CLangManager.LangInstance.GetString(13));
 			this.list項目リスト.Add(this.iAILevel);
 
@@ -2003,7 +2003,7 @@ namespace TJAPlayer3
 			//TJAPlayer3.ConfigIni.bAuto先生の連打 = this.iTaikoAutoRoll.bON;
 			TJAPlayer3.ConfigIni.nRollsPerSec = this.iRollsPerSec.n現在の値;
 
-			TJAPlayer3.ConfigIni.nAILevel = this.iAILevel.n現在の値;
+			TJAPlayer3.ConfigIni.nDefaultAILevel = this.iAILevel.n現在の値;
 			for (int i = 0; i < 2; i++)
 				TJAPlayer3.NamePlate.tNamePlateRefreshTitles(i);
 
diff --git a/OpenTaiko/src/Stages/06.SongLoading/CStage曲読み込み.cs b/OpenTaiko/src/Stages/06.SongLoading/CStage曲読み込み.cs
index 21d0e4e5..7fd5937c 100644
--- a/OpenTaiko/src/Stages/06.SongLoading/CStage曲読み込み.cs
+++ b/OpenTaiko/src/Stages/06.SongLoading/CStage曲読み込み.cs
@@ -414,7 +414,8 @@ namespace TJAPlayer3
 				}
 				else if (TJAPlayer3.ConfigIni.bAIBattleMode)
 				{
-					TJAPlayer3.Tx.SongLoading_Bg_AI_Wait.t2D描画(0, 0);
+                    TJAPlayer3.ConfigIni.tInitializeAILevel();
+                    TJAPlayer3.Tx.SongLoading_Bg_AI_Wait.t2D描画(0, 0);
 					drawPlate_AI();
 				}
 				else