diff --git a/Codes.xml b/Codes.xml
index f9603db..c525178 100644
--- a/Codes.xml
+++ b/Codes.xml
@@ -4967,4 +4967,128 @@
             90030030 4E800020
         </source>
     </code>
+    <code>
+        <category>savestate</category>
+        <title lang="en-US">In-Game Time Savestate</title>
+        <title lang="ja-JP">ゲーム内タイム状態保存</title>
+        <author>sup39(サポミク)</author>
+        <version>1.0</version>
+        <date>Feb 11, 2023</date>
+        <description lang="en-US">
+            | Combination | Result                       |
+            | ------------| ---------------------------- |
+            | D-Pad Left  | Save current In-Game Time    |
+            | D-Pad Right | Load saved In-Game Time      |
+        </description>
+        <description lang="ja-JP">
+            | ボタン     | 機能                             |
+            | ---------- | -------------------------------- |
+            | 十字キー左 | 現在のゲーム内タイムをセーブ     |
+            | 十字キー右 | セーブしたゲーム内タイムをロード |
+        </description>
+        <source version="GMSJ01">
+            C220C428 00000003
+            3D80817F 39600000
+            916C0034 916C0038
+            7C0802A6 00000000
+            C0000000 00000013
+            3D808040 A18C0D50
+            2B8C0001 419E000C
+            280C0002 4CA20020
+            816D97E8 7D6B5B79
+            4D820020 3D80817F
+            7D2D42E6 7D4C42E6
+            7C0D42E6 7C090000
+            4082FFF0 806B0110
+            80AB0114 7D455010
+            7D234910 806B00F0
+            80AB00F4 7D455014
+            7D234914 409E0020
+            806B00C8 80AB00CC
+            7CA55010 7C634910
+            906C0034 90AC0038
+            4E800020 806C0034
+            80AC0038 7CA55010
+            7C634910 906B00C8
+            90AB00CC 4E800020
+        </source>
+        <source version="GMSJ0A">
+            C212C3C0 00000003
+            3D80817F 39600000
+            916C0034 916C0038
+            7C0802A6 00000000
+            C0000000 00000013
+            3D80803F A18C5428
+            2B8C0001 419E000C
+            280C0002 4CA20020
+            816D9E78 7D6B5B79
+            4D820020 3D80817F
+            7D2D42E6 7D4C42E6
+            7C0D42E6 7C090000
+            4082FFF0 806B0110
+            80AB0114 7D455010
+            7D234910 806B00F0
+            80AB00F4 7D455014
+            7D234914 409E0020
+            806B00C8 80AB00CC
+            7CA55010 7C634910
+            906C0034 90AC0038
+            4E800020 806C0034
+            80AC0038 7CA55010
+            7C634910 906B00C8
+            90AB00CC 4E800020
+        </source>
+        <source version="GMSP01">
+            C213FC5C 00000003
+            3D80817F 39600000
+            916C0034 916C0038
+            7C0802A6 00000000
+            C0000000 00000013
+            3D808040 A18CBBF4
+            2B8C0001 419E000C
+            280C0002 4CA20020
+            816D9EE0 7D6B5B79
+            4D820020 3D80817F
+            7D2D42E6 7D4C42E6
+            7C0D42E6 7C090000
+            4082FFF0 806B0110
+            80AB0114 7D455010
+            7D234910 806B00F0
+            80AB00F4 7D455014
+            7D234914 409E0020
+            806B00C8 80AB00CC
+            7CA55010 7C634910
+            906C0034 90AC0038
+            4E800020 806C0034
+            80AC0038 7CA55010
+            7C634910 906B00C8
+            90AB00CC 4E800020
+        </source>
+        <source version="GMSE01">
+            C214AFCC 00000003
+            3D80817F 39600000
+            916C0034 916C0038
+            7C0802A6 00000000
+            C0000000 00000013
+            3D808040 A18C4454
+            2B8C0001 419E000C
+            280C0002 4CA20020
+            816D9FB8 7D6B5B79
+            4D820020 3D80817F
+            7D2D42E6 7D4C42E6
+            7C0D42E6 7C090000
+            4082FFF0 806B0110
+            80AB0114 7D455010
+            7D234910 806B00F0
+            80AB00F4 7D455014
+            7D234914 409E0020
+            806B00C8 80AB00CC
+            7CA55010 7C634910
+            906C0034 90AC0038
+            4E800020 806C0034
+            80AC0038 7CA55010
+            7C634910 906B00C8
+            90AB00CC 4E800020
+        </source>
+    </code>
 </codes>
diff --git a/Readme.md b/Readme.md
index 430a761..31da56d 100644
--- a/Readme.md
+++ b/Readme.md
@@ -58,7 +58,8 @@ Some codes store some states in the games memory starting from address 0x817F000
 | ![](./docs/reserved.svg)    | `0x2D`  | `0x2D`  | Red Coin Savestate: Red Coin Count                                        |
 | ![](./docs/unallocated.svg) | `0x2E`  | `0x2F`  | Not Allocated                                                             |
 | ![](./docs/reserved.svg)    | `0x30`  | `0x33`  | QF Time Savestate: Stored QF Time                                         |
-| ![](./docs/unallocated.svg) | `0x34`  | `0x93`  | Not Allocated                                                             |
+| ![](./docs/reserved.svg)    | `0x34`  | `0x3B`  | In-Game Time Savestate: Stored Elapsed Time                               |
+| ![](./docs/unallocated.svg) | `0x3C`  | `0x93`  | Not Allocated                                                             |
 | ![](./docs/reserved.svg)    | `0x94`  | `0xA3`  | QF Timer: Coordinates of the Text box (LTRB)                              |
 | ![](./docs/reserved.svg)    | `0xA4`  | `0xB0`  | QF Timer: Timer Format String                                             |
 | ![](./docs/reserved.svg)    | `0xB0`  | `0xB1`  | QF Timer: (Unused)                                                        |
diff --git a/changelog.md b/changelog.md
index 9f17c04..ef4d5c9 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,6 @@
 # Changelog
 ## Feb 11, 2023
+- Added 'In-Game Time Savestate'
 - Added 'QF Time Savestate'
 - Added 'Red Coin Savestate'
 - Added 'Previous Downloaded Codes' as a preset