diff --git a/project/msvc/grafx2-sdl2.vcxproj b/project/msvc/grafx2-sdl2.vcxproj
index 2d5e194e..d23cb7f8 100644
--- a/project/msvc/grafx2-sdl2.vcxproj
+++ b/project/msvc/grafx2-sdl2.vcxproj
@@ -57,14 +57,14 @@
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>USE_SDL2;NOTTF;__ENABLE_LUA__;__no_pnglib__;__no_tifflib__;_CRT_SECURE_NO_WARNINGS;_USE_MATH_DEFINES;WIN32;_DEBUG;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <AdditionalIncludeDirectories>$(SDL2ImageIncDir);$(SDL2IncDir);$(LuaIncDir);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(ZLibIncDir);$(SDL2ImageIncDir);$(SDL2IncDir);$(LuaIncDir);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <DisableSpecificWarnings>4244;%(DisableSpecificWarnings)</DisableSpecificWarnings>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
       <GenerateDebugInformation>true</GenerateDebugInformation>
-      <AdditionalDependencies>SDL2.lib;SDL2main.lib;SDL2_image.lib;lua53.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <AdditionalLibraryDirectories>$(SDL2LibDir);$(SDL2ImageLibDir);$(LuaLibDir);%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <AdditionalDependencies>zlib.lib;SDL2.lib;SDL2main.lib;SDL2_image.lib;lua53.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalLibraryDirectories>$(ZLibLibDir);$(SDL2LibDir);$(SDL2ImageLibDir);$(LuaLibDir);%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
     </Link>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
@@ -76,7 +76,7 @@
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <PreprocessorDefinitions>USE_SDL2;NOTTF;__ENABLE_LUA__;__no_pnglib__;__no_tifflib__;_CRT_SECURE_NO_WARNINGS;_USE_MATH_DEFINES;WIN32;NDEBUG;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <AdditionalIncludeDirectories>$(SDL2ImageIncDir);$(SDL2IncDir);$(LuaIncDir);;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(ZLibIncDir);$(SDL2ImageIncDir);$(SDL2IncDir);$(LuaIncDir);;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <DisableSpecificWarnings>4244;%(DisableSpecificWarnings)</DisableSpecificWarnings>
     </ClCompile>
     <Link>
@@ -84,8 +84,8 @@
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <OptimizeReferences>true</OptimizeReferences>
-      <AdditionalDependencies>SDL2.lib;SDL2main.lib;SDL2_image.lib;lua53.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <AdditionalLibraryDirectories>$(SDL2LibDir);$(SDL2ImageLibDir);$(LuaLibDir);%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <AdditionalDependencies>zlib.lib;SDL2.lib;SDL2main.lib;SDL2_image.lib;lua53.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalLibraryDirectories>$(ZLibLibDir);$(SDL2LibDir);$(SDL2ImageLibDir);$(LuaLibDir);%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
diff --git a/project/msvc/grafx2-win32.vcxproj b/project/msvc/grafx2-win32.vcxproj
index 6fc3310b..6b868563 100644
--- a/project/msvc/grafx2-win32.vcxproj
+++ b/project/msvc/grafx2-win32.vcxproj
@@ -53,7 +53,7 @@
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>NOTTF;__ENABLE_LUA__;_CRT_SECURE_NO_WARNINGS;_USE_MATH_DEFINES;WIN32;_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <DisableSpecificWarnings>4244</DisableSpecificWarnings>
-      <AdditionalIncludeDirectories>$(TIFFIncDir);$(PNGIncDir);$(LuaIncDir);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(ZLibIncDir);$(TIFFIncDir);$(PNGIncDir);$(LuaIncDir);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
     </ClCompile>
     <Link>
@@ -70,7 +70,7 @@
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <PreprocessorDefinitions>NOTTF;__ENABLE_LUA__;_CRT_SECURE_NO_WARNINGS;_USE_MATH_DEFINES;WIN32;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <DisableSpecificWarnings>4244</DisableSpecificWarnings>
-      <AdditionalIncludeDirectories>$(TIFFIncDir);$(PNGIncDir);$(LuaIncDir);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(ZLibIncDir);$(TIFFIncDir);$(PNGIncDir);$(LuaIncDir);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
     </ClCompile>
     <Link>
diff --git a/project/msvc/grafx2.vcxproj b/project/msvc/grafx2.vcxproj
index e4120f2a..10b6ad7d 100644
--- a/project/msvc/grafx2.vcxproj
+++ b/project/msvc/grafx2.vcxproj
@@ -57,14 +57,14 @@
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>USE_SDL;NOTTF;__ENABLE_LUA__;__no_pnglib__;__no_tifflib__;_CRT_SECURE_NO_WARNINGS;_USE_MATH_DEFINES;WIN32;_DEBUG;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <AdditionalIncludeDirectories>$(SDLImageIncDir);$(SDLIncDir);$(LuaIncDir);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(ZLibIncDir);$(SDLImageIncDir);$(SDLIncDir);$(LuaIncDir);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <DisableSpecificWarnings>4244;%(DisableSpecificWarnings)</DisableSpecificWarnings>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
       <GenerateDebugInformation>true</GenerateDebugInformation>
-      <AdditionalDependencies>SDL.lib;SDLmain.lib;SDL_image.lib;lua53.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <AdditionalLibraryDirectories>$(SDLLibDir);$(SDLImageLibDir);$(LuaLibDir);%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <AdditionalDependencies>zlib.lib;SDL.lib;SDLmain.lib;SDL_image.lib;lua53.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalLibraryDirectories>$(ZLibLibDir);$(SDLLibDir);$(SDLImageLibDir);$(LuaLibDir);%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
     </Link>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
@@ -76,7 +76,7 @@
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <PreprocessorDefinitions>USE_SDL;NOTTF;__ENABLE_LUA__;__no_pnglib__;__no_tifflib__;_CRT_SECURE_NO_WARNINGS;_USE_MATH_DEFINES;WIN32;NDEBUG;_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <AdditionalIncludeDirectories>$(SDLImageIncDir);$(SDLIncDir);$(LuaIncDir);;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(ZLibIncDir);$(SDLImageIncDir);$(SDLIncDir);$(LuaIncDir);;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <DisableSpecificWarnings>4244;%(DisableSpecificWarnings)</DisableSpecificWarnings>
     </ClCompile>
     <Link>
@@ -84,8 +84,8 @@
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <OptimizeReferences>true</OptimizeReferences>
-      <AdditionalDependencies>SDL.lib;SDLmain.lib;SDL_image.lib;lua53.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <AdditionalLibraryDirectories>$(SDLLibDir);$(SDLImageLibDir);$(LuaLibDir);%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <AdditionalDependencies>zlib.lib;SDL.lib;SDLmain.lib;SDL_image.lib;lua53.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalLibraryDirectories>$(ZLibLibDir);$(SDLLibDir);$(SDLImageLibDir);$(LuaLibDir);%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
diff --git a/project/msvc/libraries.props b/project/msvc/libraries.props
index 020e80ad..01ced46d 100644
--- a/project/msvc/libraries.props
+++ b/project/msvc/libraries.props
@@ -17,5 +17,7 @@
     <PNGLibDirRelease>..\..\..\..\lpng1634\projects\vstudio\Release Library</PNGLibDirRelease>
     <TIFFIncDir>..\..\..\..\tiff-4.0.10\libtiff</TIFFIncDir>
     <TIFFLibDir>..\..\..\..\tiff-4.0.10\libtiff</TIFFLibDir>
+    <ZLibIncDir>..\..\..\..\zlib-1.2.11</ZLibIncDir>
+    <ZLibLibDir>..\..\..\..\zlib-1.2.11</ZLibLibDir>
   </PropertyGroup>
 </Project>