diff --git a/games/metal-gear-solid-4-guns-of-the-patriots-master-collection-version/enhancement-pack.nsi b/games/metal-gear-solid-4-guns-of-the-patriots-master-collection-version/enhancement-pack.nsi
new file mode 100644
index 0000000..4129649
--- /dev/null
+++ b/games/metal-gear-solid-4-guns-of-the-patriots-master-collection-version/enhancement-pack.nsi
@@ -0,0 +1,104 @@
+!define MUI_WELCOMEPAGE_TEXT "\
+This is an Enhancement Pack for Metal Gear Solid 4, aiming to provide a modern vanilla experience. It includes:$\r$\n\
+- Various improvements: MGSPatriotFix by ShizCalev$\r$\n\
+- Audio improvement: Uncompressed PS3 Audio by Afevis$\r$\n\
+- FPS Unlocker: MGSFPSUnlock by cipherxof$\r$\n\
+- Ultrawide && FOV Modifier: MGS4 Ultra120 by drbermejor$\r$\n\
+- Level statistics: MGS4 Stats Overlay by ien646$\r$\n\
+$\r$\n\
+${TXT_WELCOMEPAGE_MULDERLAND_3}$\r$\n\
+$\r$\n\
+Special thanks to ShizCalev && drbermejor!"
+
+!define MUI_FINISHPAGE_RUN "$INSTDIR\MulderConfig.exe"
+!define MUI_FINISHPAGE_RUN_TEXT "Run MulderConfig"
+!include "..\..\includes\templates\SelectTemplate.nsh"
+!include "..\..\includes\tools\7z.nsh"
+
+Name "Metal Gear Solid 4 [Enhancement Pack]"
+
+Section "MGSPatriotFix (by ShizCalev)"
+    SetOutPath "$INSTDIR"
+
+    !insertmacro DOWNLOAD_2 "https://github.com/ShizCalev/MGSPatriotFix/releases/download/0.2.2/MGS4_MGSPatriotFix_0.2.2.zip" \
+                            "https://www.nexusmods.com/metalgearsolid4mc/mods/1?tab=files&file_id=188" \
+                            "MGS4_MGSPatriotFix_0.2.2.zip" \
+                            "4f8fa5dd493c9d5d023fd4dfdcad39a2259b2aedf02685840751c263f497a6b1"
+
+    !insertmacro NSISUNZ_EXTRACT "MGS4_MGSPatriotFix_0.2.2.zip" ".\" "AUTO_DELETE"
+    AddSize 17818
+
+    File "resources\MGSPatriotFix.settings"
+SectionEnd
+
+SectionGroup /e "Improvements configurable via MulderConfig"
+    Section "MGSFPSUnlock (by cipherxof)"
+        SectionIn RO
+        SetOutPath "$INSTDIR\.MulderConfig\MGSFPSUnlock\MGS4\scripts"
+
+        !insertmacro DOWNLOAD_2 "https://github.com/cipherxof/MGSFPSUnlock/releases/download/0.1.3/MGSFPSUnlock.zip" \
+                                "https://www.nexusmods.com/metalgearsolid4mc/mods/19?tab=files&file_id=61" \
+                                "MGSFPSUnlock.zip" \
+                                "b3a558e98513c173bcf65e4a8da201f645ce7fdd01c5b09a946a34876ce9b3de"
+
+        !insertmacro NSISUNZ_EXTRACT_ONE "MGSFPSUnlock.zip" ".\" "scripts\MGSFPSUnlock.asi" ""
+        !insertmacro NSISUNZ_EXTRACT_ONE "MGSFPSUnlock.zip" "$INSTDIR\MGS4\scripts" "scripts\MGSFPSUnlock.ini" "AUTO_DELETE"
+        AddSize 1669
+    SectionEnd
+
+    Section "MGS4 Stats Overlay (by ien646)"
+        SectionIn RO
+        SetOutPath "$INSTDIR\.MulderConfig\MGS4StatsOverlay\MGS4\scripts"
+
+        !insertmacro DOWNLOAD_2 "https://github.com/ien646/mgs4-vv-mirror/releases/download/0.2/mgs4-vv.asi" \
+                                "https://cdn.mulderload.eu/games/metal-gear-solid-4-guns-of-the-patriots-master-collection-version/impr_misc/mgs4-vv.asi" \
+                                "mgs4-vv.asi" \
+                                "bbc2a23ff158dd7ea38b4cabe5b466f451a38f5d51b734899bf6068e84408647"
+        AddSize 2498
+    SectionEnd
+
+    Section "MGS4 Ultra120 (by drbermejor)"
+        SectionIn RO
+        SetOutPath "$INSTDIR\.MulderConfig\MGS4Ultra120\MGS4\scripts"
+
+        !insertmacro DOWNLOAD_2 "https://github.com/drbermejor/mgs4Ultra120/releases/download/v0.3.4-alpha.7/MGS4Ultra120-v0.3.4-alpha.7-windows-manual.zip" \
+                                "https://cdn.mulderload.eu/games/metal-gear-solid-4-guns-of-the-patriots-master-collection-version/impr_gfx/MGS4Ultra120-v0.3.4-alpha.7-windows-manual.zip" \
+                                "MGS4Ultra120.zip" \
+                                "19391aabbcce9643312c33a5aed696075e6b1b538f277d716d440ff5ba6e2d55"
+
+        !insertmacro NSISUNZ_EXTRACT_ONE "MGS4Ultra120.zip" ".\" "MGS4Ultra120-v0.3.4-alpha.7-windows-manual\scripts\MGS4NativeCenteredHUD.asi" ""
+        !insertmacro NSISUNZ_EXTRACT_ONE "MGS4Ultra120.zip" ".\" "MGS4Ultra120-v0.3.4-alpha.7-windows-manual\scripts\MGS4Ultra120.asi" ""
+        !insertmacro NSISUNZ_EXTRACT_ONE "MGS4Ultra120.zip" "$INSTDIR\MGS4\" "MGS4Ultra120-v0.3.4-alpha.7-windows-manual\mgs4_native_centered_hud.ini" ""
+        !insertmacro NSISUNZ_EXTRACT_ONE "MGS4Ultra120.zip" "$INSTDIR\MGS4\" "MGS4Ultra120-v0.3.4-alpha.7-windows-manual\mgs4_ultrawide.ini" "AUTO_DELETE"
+        AddSize 350
+
+        !insertmacro FILE_STR_REPLACE "Enabled=0" "Enabled=1" 1 1 "$INSTDIR\MGS4\mgs4_native_centered_hud.ini"
+    SectionEnd
+
+    Section
+        !insertmacro INSTALL_MULDERCONFIG "$INSTDIR" "resources"
+    SectionEnd
+SectionGroupEnd
+
+Section /o "Uncompressed PS3 Audio (by Afevis)"
+    SetOutPath "$INSTDIR"
+
+    !insertmacro DOWNLOAD_1 "https://www.nexusmods.com/metalgearsolid4mc/mods/38?tab=files&file_id=62" \
+                            "Uncompressed PS3 Music 38 1.0.0 2026-09-02T03-31Z cp4ghskqZ.zip" \
+                            "72086313bcdd943f3e302f1a055c0390da4f9ec1"
+
+    !insertmacro 7Z_GET
+    !insertmacro 7Z_EXTRACT "Uncompressed PS3 Music 38 1.0.0 2026-09-02T03-31Z cp4ghskqZ.zip" ".\" "AUTO_DELETE"
+    !insertmacro 7Z_REMOVE
+    AddSize 7745385
+SectionEnd
+
+Section
+    RMDir /r "$INSTDIR\@mulderload"
+SectionEnd
+
+Function .onInit
+    StrCpy $SELECT_FILENAME "mgs4.exe"
+    StrCpy $SELECT_RELATIVE_PATH "MGS4"
+    StrCpy $SELECT_STEAM_FOLDER "METAL GEAR SOLID 4"
+FunctionEnd
diff --git a/games/metal-gear-solid-4-guns-of-the-patriots-master-collection-version/resources/MGSPatriotFix.settings b/games/metal-gear-solid-4-guns-of-the-patriots-master-collection-version/resources/MGSPatriotFix.settings
new file mode 100644
index 0000000..e65534e
--- /dev/null
+++ b/games/metal-gear-solid-4-guns-of-the-patriots-master-collection-version/resources/MGSPatriotFix.settings
@@ -0,0 +1,44 @@
+[Controller Settings]
+Button Icons="AUTO"
+Button Icons (PW)="Keyboard"
+Enable DualShock 3 Support=0
+Set Menu OK && Cancel Button="Default"
+
+[Debugging]
+Debug Logging=0
+Log Create Results=0
+Log Framebuffers=0
+MSAA Log Targets=0
+
+[Enhancements && Tweaks]
+Anisotropic Filtering Level=16
+Custom Shadow Resolution="4096"
+Disable Dynamic Resolution=1
+Disable Motion Blur=1
+Pause On Focus Loss=0
+
+[Language Settings]
+Game Language="en"
+Game Region="eu"
+
+[Launcher and Splashscreens]
+Cutscenes (PW)="Original"
+Internal Resolution (PW)="Original"
+Internal Upscaling (PW)="Original"
+Skip In-Game Splashscreens=1
+Skip Launcher=1
+Skip Launcher Splashscreens="Disabled"
+Skip Launcher Splashscreens (PW)="Disabled"
+
+[Mouse Settings]
+Mouse Horizontal Sensitivity=1.000000
+Mouse Vertical Sensitivity=1.000000
+Use Raw Mouse Input=1
+
+[System Specific Fixes]
+Disable Windows Fullscreen Optimization=0
+
+[Update Notifications]
+Check For MGSPatriotFix Updates=0
+In-Game Update Notifications=0
+
diff --git a/games/metal-gear-solid-4-guns-of-the-patriots-master-collection-version/resources/MulderConfig.json b/games/metal-gear-solid-4-guns-of-the-patriots-master-collection-version/resources/MulderConfig.json
new file mode 100644
index 0000000..bcac856
--- /dev/null
+++ b/games/metal-gear-solid-4-guns-of-the-patriots-master-collection-version/resources/MulderConfig.json
@@ -0,0 +1,333 @@
+{
+  "game": {
+    "title": "Metal Gear Solid 4: Guns of the Patriots (Master Collection Version)",
+    "originalExe": "mgs4.exe"
+  },
+  "optionGroups": [
+    {
+      "name": "Ultrawide Support",
+      "type": "radioGroup",
+      "radios": [
+        { "value": "No (default)" },
+        { "value": "21/9 (2560x1080)" },
+        { "value": "21/9 (3440x1440)" },
+        { "value": "21/9 (3840x1600)" },
+        { "value": "32/9 (3840x1080)" },
+        { "value": "32/9 (5120x1440)" },
+        { "value": "32/9 (7680x2160)" }
+      ]
+    },
+    {
+      "name": "FOV Modifier",
+      "type": "radioGroup",
+      "radios": [
+        { "value": "Lowest (-20%)" },
+        { "value": "Lower (-10%)" },
+        { "value": "Default" },
+        { "value": "Higher (+10%)" },
+        { "value": "Highest (+20%)" }
+      ]
+    },
+    {
+      "name": "FPS Unlocker",
+      "type": "radioGroup",
+      "radios": [
+        { "value": "No (60 FPS)" },
+        { "value": "120 FPS" },
+        { "value": "144 FPS" },
+        { "value": "165 FPS" },
+        { "value": "240 FPS" }
+      ]
+    },
+    {
+      "name": "Misc",
+      "type": "checkboxGroup",
+      "checkboxes": [
+        { "value": "Stats Overlay (Warning: dx11 only, crashes on dx12)" },
+        { "value": "Ultrawide Centered HUD", "disabledWhen": [ { "Ultrawide Support": "No (default)" } ] }
+      ]
+    }
+  ],
+  "actions": {
+    "operations": [
+      {
+        "when": [ ],
+        "operation": "move",
+        "source": "MGS4\\scripts\\MGS4Ultra120.asi",
+        "target": ".MulderConfig\\MGS4Ultra120\\MGS4\\scripts\\MGS4Ultra120.asi"
+      },
+      {
+        "when": [ { "!Ultrawide Support": "No (default)" }, { "!FOV Modifier": "Default" } ],
+        "operation": "move",
+        "source": ".MulderConfig\\MGS4Ultra120\\MGS4\\scripts\\MGS4Ultra120.asi",
+        "target": "MGS4\\scripts\\MGS4Ultra120.asi"
+      },
+
+
+
+      {
+        "when": [ { "*Ultrawide Support": "2560x" } ],
+        "operation": "replaceLine",
+        "files": ["MGS4\\mgs4_ultrawide.ini"],
+        "pattern": "^Width=.*$",
+        "replacement": "Width=2560"
+      },
+      {
+        "when": [ { "*Ultrawide Support": "3440x" } ],
+        "operation": "replaceLine",
+        "files": ["MGS4\\mgs4_ultrawide.ini"],
+        "pattern": "^Width=.*$",
+        "replacement": "Width=3440"
+      },
+      {
+        "when": [ { "*Ultrawide Support": "3840x" } ],
+        "operation": "replaceLine",
+        "files": ["MGS4\\mgs4_ultrawide.ini"],
+        "pattern": "^Width=.*$",
+        "replacement": "Width=3840"
+      },
+      {
+        "when": [ { "*Ultrawide Support": "5120x" } ],
+        "operation": "replaceLine",
+        "files": ["MGS4\\mgs4_ultrawide.ini"],
+        "pattern": "^Width=.*$",
+        "replacement": "Width=5120"
+      },
+      {
+        "when": [ { "*Ultrawide Support": "7680x" } ],
+        "operation": "replaceLine",
+        "files": ["MGS4\\mgs4_ultrawide.ini"],
+        "pattern": "^Width=.*$",
+        "replacement": "Width=7680"
+      },
+      {
+        "when": [ { "*Ultrawide Support": "x1080" } ],
+        "operation": "replaceLine",
+        "files": ["MGS4\\mgs4_ultrawide.ini"],
+        "pattern": "^Height=.*$",
+        "replacement": "Height=1080"
+      },
+      {
+        "when": [ { "*Ultrawide Support": "x1440" } ],
+        "operation": "replaceLine",
+        "files": ["MGS4\\mgs4_ultrawide.ini"],
+        "pattern": "^Height=.*$",
+        "replacement": "Height=1440"
+      },
+      {
+        "when": [ { "*Ultrawide Support": "x1600" } ],
+        "operation": "replaceLine",
+        "files": ["MGS4\\mgs4_ultrawide.ini"],
+        "pattern": "^Height=.*$",
+        "replacement": "Height=1600"
+      },
+      {
+        "when": [ { "*Ultrawide Support": "x2160" } ],
+        "operation": "replaceLine",
+        "files": ["MGS4\\mgs4_ultrawide.ini"],
+        "pattern": "^Height=.*$",
+        "replacement": "Height=2160"
+      },
+
+
+      
+      {
+        "when": [ { "Ultrawide Support": "No (default)", "FOV Modifier": "Lowest (-20%)" } ],
+        "operation": "replaceLine",
+        "files": ["MGS4\\mgs4_ultrawide.ini"],
+        "pattern": "^FOVMultiplier=.*$",
+        "replacement": "FOVMultiplier=0.8"
+      },
+      {
+        "when": [ { "Ultrawide Support": "No (default)", "FOV Modifier": "Lower (-10%)" } ],
+        "operation": "replaceLine",
+        "files": ["MGS4\\mgs4_ultrawide.ini"],
+        "pattern": "^FOVMultiplier=.*$",
+        "replacement": "FOVMultiplier=0.9"
+      },
+      {
+        "when": [ { "Ultrawide Support": "No (default)", "FOV Modifier": "Default" } ],
+        "operation": "replaceLine",
+        "files": ["MGS4\\mgs4_ultrawide.ini"],
+        "pattern": "^FOVMultiplier=.*$",
+        "replacement": "FOVMultiplier=1.0"
+      },
+      {
+        "when": [ { "Ultrawide Support": "No (default)", "FOV Modifier": "Higher (+10%)" } ],
+        "operation": "replaceLine",
+        "files": ["MGS4\\mgs4_ultrawide.ini"],
+        "pattern": "^FOVMultiplier=.*$",
+        "replacement": "FOVMultiplier=1.1"
+      },
+      {
+        "when": [ { "Ultrawide Support": "No (default)", "FOV Modifier": "Highest (+20%)" } ],
+        "operation": "replaceLine",
+        "files": ["MGS4\\mgs4_ultrawide.ini"],
+        "pattern": "^FOVMultiplier=.*$",
+        "replacement": "FOVMultiplier=1.2"
+      },
+
+
+
+      {
+        "when": [ { "*Ultrawide Support": "21/9", "FOV Modifier": "Lowest (-20%)" } ],
+        "operation": "replaceLine",
+        "files": ["MGS4\\mgs4_ultrawide.ini"],
+        "pattern": "^FOVMultiplier=.*$",
+        "replacement": "FOVMultiplier=0.96"
+      },
+      {
+        "when": [ { "*Ultrawide Support": "21/9", "FOV Modifier": "Lower (-10%)" } ],
+        "operation": "replaceLine",
+        "files": ["MGS4\\mgs4_ultrawide.ini"],
+        "pattern": "^FOVMultiplier=.*$",
+        "replacement": "FOVMultiplier=1.08"
+      },
+      {
+        "when": [ { "*Ultrawide Support": "21/9", "FOV Modifier": "Default" } ],
+        "operation": "replaceLine",
+        "files": ["MGS4\\mgs4_ultrawide.ini"],
+        "pattern": "^FOVMultiplier=.*$",
+        "replacement": "FOVMultiplier=1.2"
+      },
+      {
+        "when": [ { "*Ultrawide Support": "21/9", "FOV Modifier": "Higher (+10%)" } ],
+        "operation": "replaceLine",
+        "files": ["MGS4\\mgs4_ultrawide.ini"],
+        "pattern": "^FOVMultiplier=.*$",
+        "replacement": "FOVMultiplier=1.32"
+      },
+      {
+        "when": [ { "*Ultrawide Support": "21/9", "FOV Modifier": "Highest (+20%)" } ],
+        "operation": "replaceLine",
+        "files": ["MGS4\\mgs4_ultrawide.ini"],
+        "pattern": "^FOVMultiplier=.*$",
+        "replacement": "FOVMultiplier=1.44"
+      },
+
+
+      {
+        "when": [ { "*Ultrawide Support": "32/9", "FOV Modifier": "Lowest (-20%)" } ],
+        "operation": "replaceLine",
+        "files": ["MGS4\\mgs4_ultrawide.ini"],
+        "pattern": "^FOVMultiplier=.*$",
+        "replacement": "FOVMultiplier=1.44"
+      },
+      {
+        "when": [ { "*Ultrawide Support": "32/9", "FOV Modifier": "Lower (-10%)" } ],
+        "operation": "replaceLine",
+        "files": ["MGS4\\mgs4_ultrawide.ini"],
+        "pattern": "^FOVMultiplier=.*$",
+        "replacement": "FOVMultiplier=1.62"
+      },
+      {
+        "when": [ { "*Ultrawide Support": "32/9", "FOV Modifier": "Default" } ],
+        "operation": "replaceLine",
+        "files": ["MGS4\\mgs4_ultrawide.ini"],
+        "pattern": "^FOVMultiplier=.*$",
+        "replacement": "FOVMultiplier=1.8"
+      },
+      {
+        "when": [ { "*Ultrawide Support": "32/9", "FOV Modifier": "Higher (+10%)" } ],
+        "operation": "replaceLine",
+        "files": ["MGS4\\mgs4_ultrawide.ini"],
+        "pattern": "^FOVMultiplier=.*$",
+        "replacement": "FOVMultiplier=1.98"
+      },
+      {
+        "when": [ { "*Ultrawide Support": "32/9", "FOV Modifier": "Highest (+20%)" } ],
+        "operation": "replaceLine",
+        "files": ["MGS4\\mgs4_ultrawide.ini"],
+        "pattern": "^FOVMultiplier=.*$",
+        "replacement": "FOVMultiplier=2.16"
+      },
+
+
+
+      {
+        "when": [ { "Ultrawide Support": "No (default)" } ],
+        "operation": "replaceLine",
+        "files": ["MGS4\\mgs4_ultrawide.ini"],
+        "pattern": "^ExperimentalCinematicFOV=.*$",
+        "replacement": "ExperimentalCinematicFOV=0"
+      },
+      {
+        "when": [ { "!Ultrawide Support": "No (default)" } ],
+        "operation": "replaceLine",
+        "files": ["MGS4\\mgs4_ultrawide.ini"],
+        "pattern": "^ExperimentalCinematicFOV=.*$",
+        "replacement": "ExperimentalCinematicFOV=1"
+      },
+
+
+
+      {
+        "when": [ { "FPS Unlocker": "No (60 FPS)" } ],
+        "operation": "move",
+        "source": "MGS4\\scripts\\MGSFPSUnlock.asi",
+        "target": ".MulderConfig\\MGSFPSUnlock\\MGS4\\scripts\\MGSFPSUnlock.asi"
+      },
+      {
+        "when": [ { "!FPS Unlocker": "No (60 FPS)" } ],
+        "operation": "move",
+        "source": ".MulderConfig\\MGSFPSUnlock\\MGS4\\scripts\\MGSFPSUnlock.asi",
+        "target": "MGS4\\scripts\\MGSFPSUnlock.asi"
+      },
+      {
+        "when": [ { "FPS Unlocker": "120 FPS" } ],
+        "operation": "replaceLine",
+        "files": ["MGS4\\scripts\\MGSFPSUnlock.ini"],
+        "pattern": "^TargetFrameRate.*$",
+        "replacement": "TargetFrameRate = 120"
+      },
+      {
+        "when": [ { "FPS Unlocker": "144 FPS" } ],
+        "operation": "replaceLine",
+        "files": ["MGS4\\scripts\\MGSFPSUnlock.ini"],
+        "pattern": "^TargetFrameRate.*$",
+        "replacement": "TargetFrameRate = 144"
+      },
+      {
+        "when": [ { "FPS Unlocker": "165 FPS" } ],
+        "operation": "replaceLine",
+        "files": ["MGS4\\scripts\\MGSFPSUnlock.ini"],
+        "pattern": "^TargetFrameRate.*$",
+        "replacement": "TargetFrameRate = 165"
+      },
+      {
+        "when": [ { "FPS Unlocker": "240 FPS" } ],
+        "operation": "replaceLine",
+        "files": ["MGS4\\scripts\\MGSFPSUnlock.ini"],
+        "pattern": "^TargetFrameRate.*$",
+        "replacement": "TargetFrameRate = 240"
+      },
+
+
+
+      {
+        "when": [ { "*Misc": "Stats Overlay" } ],
+        "operation": "move",
+        "source": ".MulderConfig\\MGS4StatsOverlay\\MGS4\\scripts\\mgs4-vv.asi",
+        "target": "MGS4\\scripts\\mgs4-vv.asi"
+      },
+      {
+        "when": [ { "!*Misc": "Stats Overlay" } ],
+        "operation": "move",
+        "source": "MGS4\\scripts\\mgs4-vv.asi",
+        "target": ".MulderConfig\\MGS4StatsOverlay\\MGS4\\scripts\\mgs4-vv.asi"
+      },
+      {
+        "when": [ { "Misc": "Ultrawide Centered HUD" } ],
+        "operation": "move",
+        "source": ".MulderConfig\\MGS4Ultra120\\MGS4\\scripts\\MGS4NativeCenteredHUD.asi",
+        "target": "MGS4\\scripts\\MGS4NativeCenteredHUD.asi"
+      },
+      {
+        "when": [ { "!Misc": "Ultrawide Centered HUD" } ],
+        "operation": "move",
+        "source": "MGS4\\scripts\\MGS4NativeCenteredHUD.asi",
+        "target": ".MulderConfig\\MGS4Ultra120\\MGS4\\scripts\\MGS4NativeCenteredHUD.asi"
+      }
+    ]
+  }
+}
diff --git a/games/metal-gear-solid-4-guns-of-the-patriots-master-collection-version/resources/MulderConfig.save.json b/games/metal-gear-solid-4-guns-of-the-patriots-master-collection-version/resources/MulderConfig.save.json
new file mode 100644
index 0000000..2d93c2d
--- /dev/null
+++ b/games/metal-gear-solid-4-guns-of-the-patriots-master-collection-version/resources/MulderConfig.save.json
@@ -0,0 +1,8 @@
+{
+  "Metal Gear Solid 4: Guns of the Patriots (Master Collection Version)": {
+    "Ultrawide Support": "No (default)",
+    "FOV Modifier": "Default",
+    "FPS Unlocker": "No (60 FPS)",
+    "Misc": []
+  }
+}
\ No newline at end of file