diff --git a/Assets/Prefabs/UI.prefab b/Assets/Prefabs/UI.prefab
index e880894..e8b05e5 100644
--- a/Assets/Prefabs/UI.prefab
+++ b/Assets/Prefabs/UI.prefab
@@ -260,6 +260,8 @@ GameObject:
   - component: {fileID: 114474847320342008}
   - component: {fileID: 114289704439636748}
   - component: {fileID: 114357770329230070}
+  - component: {fileID: 114056294736790042}
+  - component: {fileID: 114768702460390076}
   m_Layer: 5
   m_Name: MessagePanel
   m_TagString: Untagged
@@ -362,6 +364,7 @@ GameObject:
   - component: {fileID: 114395085421692120}
   - component: {fileID: 114700265308343224}
   - component: {fileID: 114325107130871454}
+  - component: {fileID: 114935065996460616}
   m_Layer: 5
   m_Name: MessageText
   m_TagString: Untagged
@@ -552,7 +555,7 @@ MonoBehaviour:
   m_Transition: 1
   m_Colors:
     m_NormalColor: {r: 1, g: 1, b: 1, a: 1}
-    m_HighlightedColor: {r: 0.9607843, g: 0.9607843, b: 0.9607843, a: 1}
+    m_HighlightedColor: {r: 0.7075472, g: 0.7075472, b: 0.7075472, a: 1}
     m_PressedColor: {r: 0.78431374, g: 0.78431374, b: 0.78431374, a: 1}
     m_DisabledColor: {r: 0.78431374, g: 0.78431374, b: 0.78431374, a: 0.5019608}
     m_ColorMultiplier: 1
@@ -636,6 +639,19 @@ MonoBehaviour:
         m_CallState: 2
     m_TypeName: UnityEngine.UI.Button+ButtonClickedEvent, UnityEngine.UI, Version=1.0.0.0,
       Culture=neutral, PublicKeyToken=null
+--- !u!114 &114056294736790042
+MonoBehaviour:
+  m_ObjectHideFlags: 1
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 100100000}
+  m_GameObject: {fileID: 1738841749900334}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 1741964061, guid: f70555f144d8491a825f0804e09c671c, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  m_HorizontalFit: 2
+  m_VerticalFit: 0
 --- !u!114 &114060586777901180
 MonoBehaviour:
   m_ObjectHideFlags: 1
@@ -753,11 +769,11 @@ MonoBehaviour:
     m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
       Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
   m_FontData:
-    m_Font: {fileID: 10102, guid: 0000000000000000e000000000000000, type: 0}
-    m_FontSize: 17
+    m_Font: {fileID: 12800000, guid: 12f77943eccfc5e47ae5cdb66e214d9f, type: 3}
+    m_FontSize: 20
     m_FontStyle: 0
     m_BestFit: 0
-    m_MinSize: 1
+    m_MinSize: 0
     m_MaxSize: 40
     m_Alignment: 4
     m_AlignByGeometry: 0
@@ -849,14 +865,14 @@ MonoBehaviour:
     m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
       Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
   m_FontData:
-    m_Font: {fileID: 10102, guid: 0000000000000000e000000000000000, type: 0}
-    m_FontSize: 40
-    m_FontStyle: 1
-    m_BestFit: 0
+    m_Font: {fileID: 12800000, guid: 3823bf7b0b0a6aa4b8d23a5aa57a18d5, type: 3}
+    m_FontSize: 80
+    m_FontStyle: 0
+    m_BestFit: 1
     m_MinSize: 4
-    m_MaxSize: 40
+    m_MaxSize: 80
     m_Alignment: 4
-    m_AlignByGeometry: 0
+    m_AlignByGeometry: 1
     m_RichText: 1
     m_HorizontalOverflow: 1
     m_VerticalOverflow: 1
@@ -895,7 +911,7 @@ MonoBehaviour:
   m_Transition: 1
   m_Colors:
     m_NormalColor: {r: 1, g: 1, b: 1, a: 1}
-    m_HighlightedColor: {r: 0.9607843, g: 0.9607843, b: 0.9607843, a: 1}
+    m_HighlightedColor: {r: 0.8018868, g: 0.8018868, b: 0.8018868, a: 1}
     m_PressedColor: {r: 0.78431374, g: 0.78431374, b: 0.78431374, a: 1}
     m_DisabledColor: {r: 0.78431374, g: 0.78431374, b: 0.78431374, a: 0.5019608}
     m_ColorMultiplier: 1
@@ -1147,10 +1163,10 @@ MonoBehaviour:
   m_FillRect: {fileID: 224030602021903918}
   m_HandleRect: {fileID: 224899125652206328}
   m_Direction: 0
-  m_MinValue: 0
-  m_MaxValue: 100
+  m_MinValue: -60
+  m_MaxValue: 20
   m_WholeNumbers: 0
-  m_Value: 70
+  m_Value: 0
   m_OnValueChanged:
     m_PersistentCalls:
       m_Calls:
@@ -1198,8 +1214,8 @@ MonoBehaviour:
     m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
       Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
   m_FontData:
-    m_Font: {fileID: 10102, guid: 0000000000000000e000000000000000, type: 0}
-    m_FontSize: 30
+    m_Font: {fileID: 12800000, guid: 12f77943eccfc5e47ae5cdb66e214d9f, type: 3}
+    m_FontSize: 35
     m_FontStyle: 1
     m_BestFit: 0
     m_MinSize: 3
@@ -1245,11 +1261,11 @@ MonoBehaviour:
     m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
       Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
   m_FontData:
-    m_Font: {fileID: 10102, guid: 0000000000000000e000000000000000, type: 0}
-    m_FontSize: 14
+    m_Font: {fileID: 12800000, guid: 12f77943eccfc5e47ae5cdb66e214d9f, type: 3}
+    m_FontSize: 20
     m_FontStyle: 1
     m_BestFit: 0
-    m_MinSize: 10
+    m_MinSize: 2
     m_MaxSize: 40
     m_Alignment: 4
     m_AlignByGeometry: 0
@@ -1364,15 +1380,15 @@ MonoBehaviour:
   m_Name: 
   m_EditorClassIdentifier: 
   m_Material: {fileID: 0}
-  m_Color: {r: 1, g: 0.3726415, b: 0.3726415, a: 0.392}
+  m_Color: {r: 0.8113208, g: 0.8113208, b: 0.8113208, a: 1}
   m_RaycastTarget: 1
   m_OnCullStateChanged:
     m_PersistentCalls:
       m_Calls: []
     m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
       Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
-  m_Sprite: {fileID: 10907, guid: 0000000000000000f000000000000000, type: 0}
-  m_Type: 1
+  m_Sprite: {fileID: 21300000, guid: 106ee2c5b569c9a4489a53f7c09ec01d, type: 3}
+  m_Type: 0
   m_PreserveAspect: 0
   m_FillCenter: 1
   m_FillMethod: 4
@@ -1406,6 +1422,28 @@ MonoBehaviour:
   m_FillAmount: 1
   m_FillClockwise: 1
   m_FillOrigin: 0
+--- !u!114 &114768702460390076
+MonoBehaviour:
+  m_ObjectHideFlags: 1
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 100100000}
+  m_GameObject: {fileID: 1738841749900334}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: -405508275, guid: f70555f144d8491a825f0804e09c671c, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  m_Padding:
+    m_Left: 10
+    m_Right: 10
+    m_Top: 10
+    m_Bottom: 10
+  m_ChildAlignment: 4
+  m_Spacing: 10
+  m_ChildForceExpandWidth: 1
+  m_ChildForceExpandHeight: 1
+  m_ChildControlWidth: 1
+  m_ChildControlHeight: 1
 --- !u!114 &114829834214915798
 MonoBehaviour:
   m_ObjectHideFlags: 1
@@ -1471,6 +1509,19 @@ MonoBehaviour:
   m_FallbackScreenDPI: 96
   m_DefaultSpriteDPI: 96
   m_DynamicPixelsPerUnit: 1
+--- !u!114 &114935065996460616
+MonoBehaviour:
+  m_ObjectHideFlags: 1
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 100100000}
+  m_GameObject: {fileID: 1783803660317794}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 1741964061, guid: f70555f144d8491a825f0804e09c671c, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  m_HorizontalFit: 2
+  m_VerticalFit: 0
 --- !u!114 &114956533738794260
 MonoBehaviour:
   m_ObjectHideFlags: 1
@@ -1491,14 +1542,14 @@ MonoBehaviour:
     m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
       Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
   m_FontData:
-    m_Font: {fileID: 10102, guid: 0000000000000000e000000000000000, type: 0}
-    m_FontSize: 40
-    m_FontStyle: 1
-    m_BestFit: 0
+    m_Font: {fileID: 12800000, guid: 3823bf7b0b0a6aa4b8d23a5aa57a18d5, type: 3}
+    m_FontSize: 80
+    m_FontStyle: 0
+    m_BestFit: 1
     m_MinSize: 4
-    m_MaxSize: 40
+    m_MaxSize: 80
     m_Alignment: 4
-    m_AlignByGeometry: 0
+    m_AlignByGeometry: 1
     m_RichText: 1
     m_HorizontalOverflow: 1
     m_VerticalOverflow: 1
@@ -1524,12 +1575,12 @@ MonoBehaviour:
     m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
       Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
   m_FontData:
-    m_Font: {fileID: 10102, guid: 0000000000000000e000000000000000, type: 0}
-    m_FontSize: 40
-    m_FontStyle: 1
+    m_Font: {fileID: 12800000, guid: 3823bf7b0b0a6aa4b8d23a5aa57a18d5, type: 3}
+    m_FontSize: 250
+    m_FontStyle: 0
     m_BestFit: 0
-    m_MinSize: 4
-    m_MaxSize: 40
+    m_MinSize: 0
+    m_MaxSize: 300
     m_Alignment: 4
     m_AlignByGeometry: 0
     m_RichText: 1
@@ -1776,15 +1827,15 @@ RectTransform:
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   m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
   m_LocalPosition: {x: 0, y: 0, z: 0}
-  m_LocalScale: {x: 0.4, y: 0.4, z: 1}
+  m_LocalScale: {x: 0.3, y: 0.3, z: 1}
   m_Children: []
   m_Father: {fileID: 224827547678119310}
   m_RootOrder: 0
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
   m_AnchorMin: {x: 0, y: 0}
   m_AnchorMax: {x: 1, y: 1}
-  m_AnchoredPosition: {x: 0, y: 0}
-  m_SizeDelta: {x: 0, y: 0}
+  m_AnchoredPosition: {x: 0.97, y: -0}
+  m_SizeDelta: {x: 194.2, y: 21.3}
   m_Pivot: {x: 0.5, y: 0.5}
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 RectTransform:
@@ -1819,8 +1870,8 @@ RectTransform:
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
   m_AnchorMin: {x: 0, y: 0}
   m_AnchorMax: {x: 1, y: 1}
-  m_AnchoredPosition: {x: 0, y: 0}
-  m_SizeDelta: {x: 0, y: 0}
+  m_AnchoredPosition: {x: 0.8, y: -0.23}
+  m_SizeDelta: {x: 196.21, y: 18.18}
   m_Pivot: {x: 0.5, y: 0.5}
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 RectTransform:
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   m_Father: {fileID: 224035875368067210}
   m_RootOrder: 0
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
-  m_AnchorMin: {x: 0, y: 0}
-  m_AnchorMax: {x: 0, y: 0}
-  m_AnchoredPosition: {x: 39.513885, y: 0}
-  m_SizeDelta: {x: 0, y: 0}
+  m_AnchorMin: {x: 0, y: 1}
+  m_AnchorMax: {x: 0, y: 1}
+  m_AnchoredPosition: {x: 38.545288, y: -25}
+  m_SizeDelta: {x: 0, y: 30}
   m_Pivot: {x: 0.5, y: 0.5}
 --- !u!224 &224218339018349506
 RectTransform:
@@ -1870,12 +1921,12 @@ RectTransform:
   m_Children:
   - {fileID: 224104588010532506}
   m_Father: {fileID: 224484966753135898}
-  m_RootOrder: 2
+  m_RootOrder: 1
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
-  m_AnchorMin: {x: 0.5, y: 1}
-  m_AnchorMax: {x: 0.5, y: 1}
-  m_AnchoredPosition: {x: 0, y: -235.94}
-  m_SizeDelta: {x: 160, y: 40}
+  m_AnchorMin: {x: 0.5, y: 0.5}
+  m_AnchorMax: {x: 0.5, y: 0.5}
+  m_AnchoredPosition: {x: 0.000012398, y: -156.9}
+  m_SizeDelta: {x: 254.9, y: 63.8}
   m_Pivot: {x: 0.5, y: 0.5}
 --- !u!224 &224351136746992674
 RectTransform:
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   m_Children:
   - {fileID: 224539401731723566}
-  - {fileID: 224827547678119310}
   - {fileID: 224218339018349506}
+  - {fileID: 224827547678119310}
   m_Father: {fileID: 224011665836974194}
   m_RootOrder: 4
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
@@ -1963,15 +2014,15 @@ RectTransform:
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   m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
   m_LocalPosition: {x: 0, y: 0, z: 0}
-  m_LocalScale: {x: 1, y: 1, z: 1}
+  m_LocalScale: {x: 0.4, y: 0.3, z: 1}
   m_Children: []
   m_Father: {fileID: 224484966753135898}
   m_RootOrder: 0
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
-  m_AnchorMin: {x: 0.5, y: 1}
-  m_AnchorMax: {x: 0.5, y: 1}
-  m_AnchoredPosition: {x: 0, y: -94.8}
-  m_SizeDelta: {x: 160, y: 30}
+  m_AnchorMin: {x: 0.5, y: 0.5}
+  m_AnchorMax: {x: 0.5, y: 0.5}
+  m_AnchoredPosition: {x: 1.100029, y: 84.00001}
+  m_SizeDelta: {x: 873.6, y: 295}
   m_Pivot: {x: 0.5, y: 0.5}
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@@ -2120,12 +2171,12 @@ RectTransform:
   m_Children:
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   m_Father: {fileID: 224484966753135898}
-  m_RootOrder: 1
+  m_RootOrder: 2
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
-  m_AnchorMin: {x: 0.5, y: 1}
-  m_AnchorMax: {x: 0.5, y: 1}
-  m_AnchoredPosition: {x: 0, y: -167.24}
-  m_SizeDelta: {x: 160, y: 40}
+  m_AnchorMin: {x: 0.5, y: 0.5}
+  m_AnchorMax: {x: 0.5, y: 0.5}
+  m_AnchoredPosition: {x: 0.0000061989, y: -73.8}
+  m_SizeDelta: {x: 272.7, y: 68.2}
   m_Pivot: {x: 0.5, y: 0.5}
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 RectTransform:
diff --git a/Assets/Scenes/CodeDEV.unity b/Assets/Scenes/CodeDEV.unity
index c61063d..9d0ffe0 100644
--- a/Assets/Scenes/CodeDEV.unity
+++ b/Assets/Scenes/CodeDEV.unity
@@ -519,24 +519,6 @@ AudioSource:
     m_PreInfinity: 2
     m_PostInfinity: 2
     m_RotationOrder: 4
---- !u!1 &679787156 stripped
-GameObject:
-  m_PrefabParentObject: {fileID: 1783803660317794, guid: 460d856ea4eb14cedb5fecde1fe6d743,
-    type: 2}
-  m_PrefabInternal: {fileID: 1379476068}
---- !u!114 &679787158
-MonoBehaviour:
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-  m_PrefabParentObject: {fileID: 0}
-  m_PrefabInternal: {fileID: 0}
-  m_GameObject: {fileID: 679787156}
-  m_Enabled: 1
-  m_EditorHideFlags: 0
-  m_Script: {fileID: 1741964061, guid: f70555f144d8491a825f0804e09c671c, type: 3}
-  m_Name: 
-  m_EditorClassIdentifier: 
-  m_HorizontalFit: 2
-  m_VerticalFit: 0
 --- !u!1 &734498091
 GameObject:
   m_ObjectHideFlags: 0
@@ -1440,328 +1422,52 @@ Prefab:
       propertyPath: m_Pivot.y
       value: 0
       objectReference: {fileID: 0}
-    - target: {fileID: 114052756276606012, guid: 460d856ea4eb14cedb5fecde1fe6d743,
-        type: 2}
-      propertyPath: m_OnClick.m_PersistentCalls.m_Calls.Array.data[0].m_Target
-      value: 
-      objectReference: {fileID: 2063368133}
-    - target: {fileID: 224030602021903918, guid: 460d856ea4eb14cedb5fecde1fe6d743,
-        type: 2}
-      propertyPath: m_AnchorMax.x
-      value: 0.7
-      objectReference: {fileID: 0}
-    - target: {fileID: 224030602021903918, guid: 460d856ea4eb14cedb5fecde1fe6d743,
-        type: 2}
-      propertyPath: m_AnchorMax.y
-      value: 1
-      objectReference: {fileID: 0}
-    - target: {fileID: 224899125652206328, guid: 460d856ea4eb14cedb5fecde1fe6d743,
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-      propertyPath: m_AnchorMin.x
-      value: 0.7
-      objectReference: {fileID: 0}
-    - target: {fileID: 224899125652206328, guid: 460d856ea4eb14cedb5fecde1fe6d743,
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-    - target: {fileID: 1139220909146914, guid: 460d856ea4eb14cedb5fecde1fe6d743, type: 2}
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diff --git a/Assets/Scenes/TitleScene.unity b/Assets/Scenes/TitleScene.unity
index 4c5dfc9..cbc6683 100644
--- a/Assets/Scenes/TitleScene.unity
+++ b/Assets/Scenes/TitleScene.unity
@@ -1206,6 +1206,7 @@ RectTransform:
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+  - {fileID: 1983703758}
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diff --git a/Assets/Scripts/AudioControl.cs b/Assets/Scripts/AudioControl.cs
index 4c12230..86677c7 100644
--- a/Assets/Scripts/AudioControl.cs
+++ b/Assets/Scripts/AudioControl.cs
@@ -16,6 +16,7 @@ public class AudioControl : MonoBehaviour
     private const float lvlbgm = 5.725f;
     private const float gobgm = 14.157f;
     private const float loopdelay = 0.025f;
+    private float prevVolume = -80f;
 
     // Use this for initialization
     void Start()
@@ -90,5 +91,12 @@ public class AudioControl : MonoBehaviour
     {
         mixer.SetFloat("sfxVolume", Mathf.Clamp(nvol, -80f, 20f));
     }
+
+    public void ToggleMuteMaster() {
+        float t = 0f;
+        mixer.GetFloat("masterVolume", out t);
+        SetMasterVolume(prevVolume);
+        prevVolume = t;
+    }
 }
 
diff --git a/Assets/graphics/textures/UI/messageBox.png.meta b/Assets/graphics/textures/UI/messageBox.png.meta
index eeccfac..a1d10e3 100644
--- a/Assets/graphics/textures/UI/messageBox.png.meta
+++ b/Assets/graphics/textures/UI/messageBox.png.meta
@@ -45,7 +45,7 @@ TextureImporter:
   alignment: 0
   spritePivot: {x: 0.5, y: 0.5}
   spritePixelsToUnits: 100
-  spriteBorder: {x: 380, y: 296, z: 503, w: 271}
+  spriteBorder: {x: 0, y: 0, z: 0, w: 0}
   spriteGenerateFallbackPhysicsShape: 1
   alphaUsage: 1
   alphaIsTransparency: 1
diff --git a/Assets/sound/AudioMixer.mixer b/Assets/sound/AudioMixer.mixer
index 2c86733..5ed1b6d 100644
--- a/Assets/sound/AudioMixer.mixer
+++ b/Assets/sound/AudioMixer.mixer
@@ -91,6 +91,7 @@ AudioMixerSnapshotController:
     644f6589fc60a074a98ad67d609f2bfb: 5.1526957
     5da050aa578318a4f8f1fed71a509fce: -14.816608
     bf89843b5f1f52248935471e56d764be: -9.833286
+    43685e8fb476ee342aecf379591bcac4: 0
   m_TransitionOverrides: {}
 --- !u!243 &243021022379401452
 AudioMixerGroupController: