diff --git a/NHSE.Core/Structures/Misc/GSaveBBS.cs b/NHSE.Core/Structures/Misc/GSaveBBS.cs
index d150379..873357a 100644
--- a/NHSE.Core/Structures/Misc/GSaveBBS.cs
+++ b/NHSE.Core/Structures/Misc/GSaveBBS.cs
@@ -60,18 +60,6 @@ public struct GSaveBBS
         public uint UniqueId { get; set; }                                       // @0x77c8 size 0x4, align 4
     }
 
-    [StructLayout(LayoutKind.Sequential, Pack = 4)]
-    [TypeConverter(typeof(ValueTypeTypeConverter))]
-    public struct GSaveDate
-    {
-        public const int SIZE = 4;
-        public override string ToString() => $"{Year:0000}-{Month:00}-{Day:00}";
-
-        public ushort Year { get; set; }
-        public byte Month { get; set; }
-        public byte Day { get; set; }
-    }
-
     [StructLayout(LayoutKind.Sequential, Pack = 4)]
     [TypeConverter(typeof(ValueTypeTypeConverter))]
     public struct Handwriting
@@ -89,52 +77,5 @@ public struct Handwriting
 
         public uint VerticesNum { get; set; }
     }
-
-    [StructLayout(LayoutKind.Sequential, Pack = 4)]
-    [TypeConverter(typeof(ValueTypeTypeConverter))]
-    public struct GSavePlayerId
-    {
-        public const int SIZE = 0x38;
-        public override string ToString() => $"{BaseId.Name}-{LandId.Name}";
-
-        public GSaveLandId LandId { get; set; }
-        public GSavePlayerBaseId BaseId { get; set; }
-    }
-
-    [StructLayout(LayoutKind.Sequential, Pack = 4, CharSet = CharSet.Unicode)]
-    [TypeConverter(typeof(ValueTypeTypeConverter))]
-    public struct GSaveLandId
-    {
-        public const int SIZE = 0x1C;
-        public override string ToString() => Name;
-
-        public uint Id { get; set; }
-
-        [field: MarshalAs(UnmanagedType.ByValTStr, SizeConst = 10)]
-        public string Name { get; set; }
-
-        public byte IslandRubyType { get; set; }
-    }
-
-    [StructLayout(LayoutKind.Sequential, Pack = 4, CharSet = CharSet.Unicode)]
-    [TypeConverter(typeof(ValueTypeTypeConverter))]
-    public struct GSavePlayerBaseId
-    {
-        public const int SIZE = 0x1C;
-        public override string ToString() => Name;
-
-        public uint Id { get; set; }
-
-        [field: MarshalAs(UnmanagedType.ByValTStr, SizeConst = 10)]
-        public string Name { get; set; }
-
-        public Gender Gender { get; set; }
-    }
-
-    public enum Gender
-    {
-        Masculine = 0,
-        Feminine = 1,
-    }
 }
 #pragma warning restore CS8618, CA1815, CA1819, IDE1006
diff --git a/NHSE.Core/Structures/Misc/GSaveDate.cs b/NHSE.Core/Structures/Misc/GSaveDate.cs
new file mode 100644
index 0000000..6e0b1ea
--- /dev/null
+++ b/NHSE.Core/Structures/Misc/GSaveDate.cs
@@ -0,0 +1,18 @@
+using System.ComponentModel;
+using System.Runtime.InteropServices;
+
+#pragma warning disable CS8618, CA1815, CA1819, IDE1006
+namespace NHSE.Core
+{
+    [StructLayout(LayoutKind.Sequential, Pack = 4)]
+    [TypeConverter(typeof(ValueTypeTypeConverter))]
+    public struct GSaveDate
+    {
+        public const int SIZE = 4;
+        public override string ToString() => $"{Year:0000}-{Month:00}-{Day:00}";
+
+        public ushort Year { get; set; }
+        public byte Month { get; set; }
+        public byte Day { get; set; }
+    }
+}
diff --git a/NHSE.Core/Structures/Misc/GSaveItemName.cs b/NHSE.Core/Structures/Misc/GSaveItemName.cs
index b1cdbc5..62bdf3a 100644
--- a/NHSE.Core/Structures/Misc/GSaveItemName.cs
+++ b/NHSE.Core/Structures/Misc/GSaveItemName.cs
@@ -1,6 +1,7 @@
 using System.ComponentModel;
 using System.Runtime.InteropServices;
 
+#pragma warning disable CS8618, CA1815, CA1819, IDE1006
 namespace NHSE.Core
 {
     [StructLayout(LayoutKind.Explicit, Size = SIZE, Pack = 1)]
@@ -8,18 +9,11 @@ namespace NHSE.Core
     public struct GSaveItemName
     {
         public const int SIZE = 0x08;
+        public override string ToString() => UniqueID.ToString();
+
         [field: FieldOffset(0x00)] public ushort UniqueID { get; set; }
         [field: FieldOffset(0x02)] public byte SystemParam { get; set; }
         [field: FieldOffset(0x03)] public byte AdditionalParam { get; set; }
         [field: FieldOffset(0x04)] public uint FreeParam { get; set; }
-
-        // ReSharper disable once NonReadonlyMemberInGetHashCode
-        public override int GetHashCode() => UniqueID;
-        public override bool Equals(object obj) => obj is GSaveItemName i && i.Equals(this);
-        public bool Equals(GSaveItemName obj) => obj.UniqueID == UniqueID && obj.SystemParam == SystemParam && obj.AdditionalParam == AdditionalParam;
-        public static bool operator ==(GSaveItemName left, GSaveItemName right) => left.Equals(right);
-        public static bool operator !=(GSaveItemName left, GSaveItemName right) => !(left == right);
-
-        public override string ToString() => UniqueID.ToString();
     }
 }
diff --git a/NHSE.Core/Structures/Misc/GSaveLandId.cs b/NHSE.Core/Structures/Misc/GSaveLandId.cs
new file mode 100644
index 0000000..66dd932
--- /dev/null
+++ b/NHSE.Core/Structures/Misc/GSaveLandId.cs
@@ -0,0 +1,21 @@
+using System.ComponentModel;
+using System.Runtime.InteropServices;
+
+#pragma warning disable CS8618, CA1815, CA1819, IDE1006
+namespace NHSE.Core
+{
+    [StructLayout(LayoutKind.Sequential, Pack = 4, CharSet = CharSet.Unicode)]
+    [TypeConverter(typeof(ValueTypeTypeConverter))]
+    public struct GSaveLandId
+    {
+        public const int SIZE = 0x1C;
+        public override string ToString() => Name;
+
+        public uint Id { get; set; }
+
+        [field: MarshalAs(UnmanagedType.ByValTStr, SizeConst = 10)]
+        public string Name { get; set; }
+
+        public byte IslandRubyType { get; set; }
+    }
+}
diff --git a/NHSE.Core/Structures/Misc/GSavePlayerBaseId.cs b/NHSE.Core/Structures/Misc/GSavePlayerBaseId.cs
new file mode 100644
index 0000000..d966d7a
--- /dev/null
+++ b/NHSE.Core/Structures/Misc/GSavePlayerBaseId.cs
@@ -0,0 +1,21 @@
+using System.ComponentModel;
+using System.Runtime.InteropServices;
+
+#pragma warning disable CS8618, CA1815, CA1819, IDE1006
+namespace NHSE.Core
+{
+    [StructLayout(LayoutKind.Sequential, Pack = 4, CharSet = CharSet.Unicode)]
+    [TypeConverter(typeof(ValueTypeTypeConverter))]
+    public struct GSavePlayerBaseId
+    {
+        public const int SIZE = 0x1C;
+        public override string ToString() => Name;
+
+        public uint Id { get; set; }
+
+        [field: MarshalAs(UnmanagedType.ByValTStr, SizeConst = 10)]
+        public string Name { get; set; }
+
+        public Gender Gender { get; set; }
+    }
+}
diff --git a/NHSE.Core/Structures/Misc/GSavePlayerId.cs b/NHSE.Core/Structures/Misc/GSavePlayerId.cs
new file mode 100644
index 0000000..d53db3e
--- /dev/null
+++ b/NHSE.Core/Structures/Misc/GSavePlayerId.cs
@@ -0,0 +1,17 @@
+using System.ComponentModel;
+using System.Runtime.InteropServices;
+
+#pragma warning disable CS8618, CA1815, CA1819, IDE1006
+namespace NHSE.Core
+{
+    [StructLayout(LayoutKind.Sequential, Pack = 4)]
+    [TypeConverter(typeof(ValueTypeTypeConverter))]
+    public struct GSavePlayerId
+    {
+        public const int SIZE = 0x38;
+        public override string ToString() => $"{BaseId.Name}-{LandId.Name}";
+
+        public GSaveLandId LandId { get; set; }
+        public GSavePlayerBaseId BaseId { get; set; }
+    }
+}
diff --git a/NHSE.Core/Structures/Misc/GSaveRoomFloorWall.cs b/NHSE.Core/Structures/Misc/GSaveRoomFloorWall.cs
new file mode 100644
index 0000000..c715970
--- /dev/null
+++ b/NHSE.Core/Structures/Misc/GSaveRoomFloorWall.cs
@@ -0,0 +1,23 @@
+using System.ComponentModel;
+using System.Runtime.InteropServices;
+
+#pragma warning disable CS8618, CA1815, CA1819, IDE1006
+namespace NHSE.Core
+{
+    [StructLayout(LayoutKind.Sequential, Pack = 4, Size = SIZE)]
+    [TypeConverter(typeof(ValueTypeTypeConverter))]
+    public struct GSaveRoomFloorWall
+    {
+        public const int SIZE = 0x24;
+
+        public GSaveItemName AccentWallItem { get; set; }             // @0x0 size 0x8, align 4
+        public GSaveItemName WallItem { get; set; }                   // @0x8 size 0x8, align 4
+        public GSaveItemName FloorItem { get; set; }                  // @0x10 size 0x8, align 4
+        public ushort AccentWallMyDesignID { get; set; }              // @0x18 size 0x2, align 2
+        public ushort WallMyDesignID { get; set; }                    // @0x1a size 0x2, align 2
+        public ushort FloorMyDesignID { get; set; }                   // @0x1c size 0x2, align 2
+        public byte AccentWallDirection { get; set; }                 // @0x1e size 0x1, align 1
+        public byte InfoBit { get; set; }                             // @0x1f size 0x1, align 1
+        public byte FloorDirection { get; set; }                      // @0x20 size 0x1, align 1
+    }
+}
diff --git a/NHSE.Core/Structures/Misc/Gender.cs b/NHSE.Core/Structures/Misc/Gender.cs
new file mode 100644
index 0000000..120f322
--- /dev/null
+++ b/NHSE.Core/Structures/Misc/Gender.cs
@@ -0,0 +1,8 @@
+namespace NHSE.Core
+{
+    public enum Gender
+    {
+        Masculine = 0,
+        Feminine = 1,
+    }
+}