diff --git a/src/openrct2-ui/windows/Options.cpp b/src/openrct2-ui/windows/Options.cpp
index 7960e6605a..5ca8942e7e 100644
--- a/src/openrct2-ui/windows/Options.cpp
+++ b/src/openrct2-ui/windows/Options.cpp
@@ -37,6 +37,7 @@
 #include <openrct2/localisation/LocalisationService.h>
 #include <openrct2/network/network.h>
 #include <openrct2/platform/Platform.h>
+#include <openrct2/rct1/Csg.h>
 #include <openrct2/ride/RideAudio.h>
 #include <openrct2/scenario/Scenario.h>
 #include <openrct2/scenes/title/TitleScene.h>
@@ -45,7 +46,9 @@
 #include <openrct2/ui/UiContext.h>
 #include <openrct2/util/Util.h>
 
+using namespace OpenRCT2;
 using namespace OpenRCT2::Audio;
+
 namespace OpenRCT2::Ui::Windows
 {
     // clang-format off
diff --git a/src/openrct2/config/Config.cpp b/src/openrct2/config/Config.cpp
index 07a9aae467..fb259a60b6 100644
--- a/src/openrct2/config/Config.cpp
+++ b/src/openrct2/config/Config.cpp
@@ -26,7 +26,7 @@
 #include "../network/network.h"
 #include "../paint/VirtualFloor.h"
 #include "../platform/Platform.h"
-#include "../rct1/Limits.h"
+#include "../rct1/Csg.h"
 #include "../scenario/Scenario.h"
 #include "../ui/UiContext.h"
 #include "../util/Util.h"
@@ -944,78 +944,3 @@ bool ConfigFindOrBrowseInstallDirectory()
 
     return true;
 }
-
-std::string FindCsg1datAtLocation(u8string_view path)
-{
-    auto checkPath1 = Path::Combine(path, u8"Data", u8"CSG1.DAT");
-    auto checkPath2 = Path::Combine(path, u8"Data", u8"CSG1.1");
-
-    // Since Linux is case sensitive (and macOS sometimes too), make sure we handle case properly.
-    std::string path1result = Path::ResolveCasing(checkPath1);
-    if (!path1result.empty())
-    {
-        return path1result;
-    }
-
-    std::string path2result = Path::ResolveCasing(checkPath2);
-    return path2result;
-}
-
-bool Csg1datPresentAtLocation(u8string_view path)
-{
-    auto location = FindCsg1datAtLocation(path);
-    return !location.empty();
-}
-
-u8string FindCsg1idatAtLocation(u8string_view path)
-{
-    auto result1 = Path::ResolveCasing(Path::Combine(path, u8"Data", u8"CSG1I.DAT"));
-    if (!result1.empty())
-    {
-        return result1;
-    }
-    auto result2 = Path::ResolveCasing(Path::Combine(path, u8"RCTdeluxe_install", u8"Data", u8"CSG1I.DAT"));
-    return result2;
-}
-
-bool Csg1idatPresentAtLocation(u8string_view path)
-{
-    std::string location = FindCsg1idatAtLocation(path);
-    return !location.empty();
-}
-
-bool RCT1DataPresentAtLocation(u8string_view path)
-{
-    return Csg1datPresentAtLocation(path) && Csg1idatPresentAtLocation(path) && CsgAtLocationIsUsable(path);
-}
-
-bool CsgIsUsable(const Gx& csg)
-{
-    return csg.header.total_size == RCT1::Limits::LL_CSG1_DAT_FileSize
-        && csg.header.num_entries == RCT1::Limits::Num_LL_CSG_Entries;
-}
-
-bool CsgAtLocationIsUsable(u8string_view path)
-{
-    auto csg1HeaderPath = FindCsg1idatAtLocation(path);
-    if (csg1HeaderPath.empty())
-    {
-        return false;
-    }
-
-    auto csg1DataPath = FindCsg1datAtLocation(path);
-    if (csg1DataPath.empty())
-    {
-        return false;
-    }
-
-    auto fileHeader = FileStream(csg1HeaderPath, FILE_MODE_OPEN);
-    auto fileData = FileStream(csg1DataPath, FILE_MODE_OPEN);
-    size_t fileHeaderSize = fileHeader.GetLength();
-    size_t fileDataSize = fileData.GetLength();
-
-    Gx csg = {};
-    csg.header.num_entries = static_cast<uint32_t>(fileHeaderSize / sizeof(RCTG1Element));
-    csg.header.total_size = static_cast<uint32_t>(fileDataSize);
-    return CsgIsUsable(csg);
-}
diff --git a/src/openrct2/config/Config.h b/src/openrct2/config/Config.h
index 8206ed3602..6bcd921e76 100644
--- a/src/openrct2/config/Config.h
+++ b/src/openrct2/config/Config.h
@@ -14,9 +14,6 @@
 #include "ConfigTypes.h"
 
 #include <atomic>
-#include <string>
-
-struct Gx;
 
 struct GeneralConfiguration
 {
@@ -229,11 +226,3 @@ u8string ConfigGetDefaultPath();
 void ConfigSetDefaults();
 bool ConfigSaveDefault();
 bool ConfigFindOrBrowseInstallDirectory();
-
-bool RCT1DataPresentAtLocation(u8string_view path);
-std::string FindCsg1datAtLocation(u8string_view path);
-bool Csg1datPresentAtLocation(u8string_view path);
-std::string FindCsg1idatAtLocation(u8string_view path);
-bool Csg1idatPresentAtLocation(u8string_view path);
-bool CsgIsUsable(const Gx& csg);
-bool CsgAtLocationIsUsable(u8string_view path);
diff --git a/src/openrct2/drawing/Drawing.Sprite.cpp b/src/openrct2/drawing/Drawing.Sprite.cpp
index b1eaee7d9f..0c0e2e2713 100644
--- a/src/openrct2/drawing/Drawing.Sprite.cpp
+++ b/src/openrct2/drawing/Drawing.Sprite.cpp
@@ -17,6 +17,7 @@
 #include "../core/MemoryStream.h"
 #include "../core/Path.hpp"
 #include "../platform/Platform.h"
+#include "../rct1/Csg.h"
 #include "../sprites.h"
 #include "../ui/UiContext.h"
 #include "../util/Util.h"
diff --git a/src/openrct2/libopenrct2.vcxproj b/src/openrct2/libopenrct2.vcxproj
index 3ab6981da5..83c72c269a 100644
--- a/src/openrct2/libopenrct2.vcxproj
+++ b/src/openrct2/libopenrct2.vcxproj
@@ -387,6 +387,7 @@
     <ClInclude Include="rct12\SawyerChunk.h" />
     <ClInclude Include="rct12\SawyerChunkReader.h" />
     <ClInclude Include="rct12\SawyerChunkWriter.h" />
+    <ClInclude Include="rct1\Csg.h" />
     <ClInclude Include="rct1\Limits.h" />
     <ClInclude Include="rct1\RCT1.h" />
     <ClInclude Include="rct1\Tables.h" />
@@ -896,6 +897,7 @@
     <ClCompile Include="rct12\SawyerChunk.cpp" />
     <ClCompile Include="rct12\SawyerChunkReader.cpp" />
     <ClCompile Include="rct12\SawyerChunkWriter.cpp" />
+    <ClCompile Include="rct1\Csg.cpp" />
     <ClCompile Include="rct1\S4Importer.cpp" />
     <ClCompile Include="rct1\T4Importer.cpp" />
     <ClCompile Include="rct1\Tables.cpp" />
diff --git a/src/openrct2/rct1/Csg.cpp b/src/openrct2/rct1/Csg.cpp
new file mode 100644
index 0000000000..db404f20c3
--- /dev/null
+++ b/src/openrct2/rct1/Csg.cpp
@@ -0,0 +1,92 @@
+/*****************************************************************************
+ * Copyright (c) 2014-2024 OpenRCT2 developers
+ *
+ * For a complete list of all authors, please refer to contributors.md
+ * Interested in contributing? Visit https://github.com/OpenRCT2/OpenRCT2
+ *
+ * OpenRCT2 is licensed under the GNU General Public License version 3.
+ *****************************************************************************/
+
+#include "Csg.h"
+
+#include "../core/FileStream.h"
+#include "../core/Path.hpp"
+#include "../drawing/Drawing.h"
+#include "../rct1/Limits.h"
+
+using namespace OpenRCT2;
+
+std::string FindCsg1datAtLocation(u8string_view path)
+{
+    auto checkPath1 = Path::Combine(path, u8"Data", u8"CSG1.DAT");
+    auto checkPath2 = Path::Combine(path, u8"Data", u8"CSG1.1");
+
+    // Since Linux is case sensitive (and macOS sometimes too), make sure we handle case properly.
+    std::string path1result = Path::ResolveCasing(checkPath1);
+    if (!path1result.empty())
+    {
+        return path1result;
+    }
+
+    std::string path2result = Path::ResolveCasing(checkPath2);
+    return path2result;
+}
+
+bool Csg1datPresentAtLocation(u8string_view path)
+{
+    auto location = FindCsg1datAtLocation(path);
+    return !location.empty();
+}
+
+u8string FindCsg1idatAtLocation(u8string_view path)
+{
+    auto result1 = Path::ResolveCasing(Path::Combine(path, u8"Data", u8"CSG1I.DAT"));
+    if (!result1.empty())
+    {
+        return result1;
+    }
+    auto result2 = Path::ResolveCasing(Path::Combine(path, u8"RCTdeluxe_install", u8"Data", u8"CSG1I.DAT"));
+    return result2;
+}
+
+bool Csg1idatPresentAtLocation(u8string_view path)
+{
+    std::string location = FindCsg1idatAtLocation(path);
+    return !location.empty();
+}
+
+bool RCT1DataPresentAtLocation(u8string_view path)
+{
+    return Csg1datPresentAtLocation(path) && Csg1idatPresentAtLocation(path) && CsgAtLocationIsUsable(path);
+}
+
+bool CsgIsUsable(const Gx& csg)
+{
+    return csg.header.total_size == RCT1::Limits::LL_CSG1_DAT_FileSize
+        && csg.header.num_entries == RCT1::Limits::Num_LL_CSG_Entries;
+}
+
+bool CsgAtLocationIsUsable(u8string_view path)
+{
+    auto csg1HeaderPath = FindCsg1idatAtLocation(path);
+    if (csg1HeaderPath.empty())
+    {
+        return false;
+    }
+
+    auto csg1DataPath = FindCsg1datAtLocation(path);
+    if (csg1DataPath.empty())
+    {
+        return false;
+    }
+
+    auto fileHeader = FileStream(csg1HeaderPath, FILE_MODE_OPEN);
+    auto fileData = FileStream(csg1DataPath, FILE_MODE_OPEN);
+    size_t fileHeaderSize = fileHeader.GetLength();
+    size_t fileDataSize = fileData.GetLength();
+
+    Gx csg = {};
+    csg.header.num_entries = static_cast<uint32_t>(fileHeaderSize / sizeof(RCTG1Element));
+    csg.header.total_size = static_cast<uint32_t>(fileDataSize);
+    return CsgIsUsable(csg);
+}
diff --git a/src/openrct2/rct1/Csg.h b/src/openrct2/rct1/Csg.h
new file mode 100644
index 0000000000..5f43c47900
--- /dev/null
+++ b/src/openrct2/rct1/Csg.h
@@ -0,0 +1,24 @@
+/*****************************************************************************
+ * Copyright (c) 2014-2024 OpenRCT2 developers
+ *
+ * For a complete list of all authors, please refer to contributors.md
+ * Interested in contributing? Visit https://github.com/OpenRCT2/OpenRCT2
+ *
+ * OpenRCT2 is licensed under the GNU General Public License version 3.
+ *****************************************************************************/
+
+#pragma once
+
+#include "../core/String.hpp"
+
+#include <string>
+
+struct Gx;
+
+bool RCT1DataPresentAtLocation(u8string_view path);
+std::string FindCsg1datAtLocation(u8string_view path);
+bool Csg1datPresentAtLocation(u8string_view path);
+std::string FindCsg1idatAtLocation(u8string_view path);
+bool Csg1idatPresentAtLocation(u8string_view path);
+bool CsgIsUsable(const Gx& csg);
+bool CsgAtLocationIsUsable(u8string_view path);