diff --git a/hecl/driver/CMakeLists.txt b/hecl/driver/CMakeLists.txt
index 0a01bd992..f9ca60b47 100644
--- a/hecl/driver/CMakeLists.txt
+++ b/hecl/driver/CMakeLists.txt
@@ -1,3 +1,4 @@
+if(NOT WINDOWS_STORE)
 add_executable(hecl main.cpp
     ToolBase.hpp
     ToolPackage.hpp
@@ -27,3 +28,4 @@ target_link_libraries(hecl
     hecl-common hecl-blender-addon athena-core nod
     logvisor athena-libyaml ${PNG_LIB} squish xxhash zeus boo
     ${ZLIB_LIBRARIES} ${LZO_LIB} ${PLAT_LIBS} ${BOO_SYS_LIBS})
+endif()
diff --git a/hecl/extern/athena b/hecl/extern/athena
index cf3baad90..da9699a7e 160000
--- a/hecl/extern/athena
+++ b/hecl/extern/athena
@@ -1 +1 @@
-Subproject commit cf3baad9050e63e6bb8432305faf76fbb2cf9de9
+Subproject commit da9699a7e29d2f7627e450f3d182e63a5140151d
diff --git a/hecl/extern/boo b/hecl/extern/boo
index 598bce028..f228f2366 160000
--- a/hecl/extern/boo
+++ b/hecl/extern/boo
@@ -1 +1 @@
-Subproject commit 598bce028b6caa8547c8380d45d7a7b71ae9facc
+Subproject commit f228f236613792a7f7471610bf9e102d885dbae6
diff --git a/hecl/include/hecl/hecl.hpp b/hecl/include/hecl/hecl.hpp
index 054a92cd5..2a577d32b 100644
--- a/hecl/include/hecl/hecl.hpp
+++ b/hecl/include/hecl/hecl.hpp
@@ -164,11 +164,15 @@ int RecursiveMakeDir(const SystemChar* dir);
 
 static inline const SystemChar* GetEnv(const SystemChar* name)
 {
+#if WINDOWS_STORE
+    return nullptr;
+#else
 #if HECL_UCS2
     return _wgetenv(name);
 #else
     return getenv(name);
 #endif
+#endif
 }
 
 static inline SystemChar* Getcwd(SystemChar* buf, int maxlen)
@@ -230,7 +234,9 @@ static inline bool IsAbsolute(SystemStringView path)
 
 const SystemChar* GetTmpDir();
 
+#if !WINDOWS_STORE
 int RunProcess(const SystemChar* path, const SystemChar* const args[]);
+#endif
 
 enum class FileLockType
 {
@@ -441,7 +447,7 @@ static inline bool PathRelative(const SystemChar* path)
 {
     if (!path || !path[0])
         return false;
-#if _WIN32
+#if _WIN32 && !WINDOWS_STORE
     return PathIsRelative(path);
 #else
     return path[0] != '/';
@@ -452,9 +458,11 @@ static inline int ConsoleWidth()
 {
     int retval = 80;
 #if _WIN32
+#if !WINDOWS_STORE
     CONSOLE_SCREEN_BUFFER_INFO info;
     GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &info);
     retval = info.dwSize.X;
+#endif
 #else
     struct winsize w;
     if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &w) != -1)
diff --git a/hecl/lib/Backend/CMakeLists.txt b/hecl/lib/Backend/CMakeLists.txt
index b89a51ac4..028ec2c04 100644
--- a/hecl/lib/Backend/CMakeLists.txt
+++ b/hecl/lib/Backend/CMakeLists.txt
@@ -4,11 +4,13 @@ endif()
 if(APPLE)
   set(PLAT_SRCS Metal.cpp)
 endif()
+if(NOT WINDOWS_STORE)
+  list(APPEND PLAT_SRCS GLSL.cpp)
+endif()
 
 set(BACKEND_SOURCES
     GX.cpp
     ProgrammableCommon.cpp
-    GLSL.cpp
     ${PLAT_SRCS})
 
 hecl_add_list(Backend BACKEND_SOURCES)
diff --git a/hecl/lib/Blender/BlenderConnection.cpp b/hecl/lib/Blender/BlenderConnection.cpp
index e144a8dc0..7831706ff 100644
--- a/hecl/lib/Blender/BlenderConnection.cpp
+++ b/hecl/lib/Blender/BlenderConnection.cpp
@@ -245,6 +245,7 @@ static bool RegFileExists(const hecl::SystemChar* path)
 
 BlenderConnection::BlenderConnection(int verbosityLevel)
 {
+#if !WINDOWS_STORE
     BlenderLog.report(logvisor::Info, "Establishing BlenderConnection...");
 
     /* Put hecl_blendershell.py in temp dir */
@@ -552,6 +553,9 @@ BlenderConnection::BlenderConnection(int verbosityLevel)
 
         break;
     }
+#else
+    BlenderLog.report(logvisor::Fatal, "BlenderConnection not available on UWP");
+#endif
 }
 
 BlenderConnection::~BlenderConnection()
diff --git a/hecl/lib/Runtime/FileStoreManager.cpp b/hecl/lib/Runtime/FileStoreManager.cpp
index 35c376025..eeab2d8af 100644
--- a/hecl/lib/Runtime/FileStoreManager.cpp
+++ b/hecl/lib/Runtime/FileStoreManager.cpp
@@ -4,6 +4,10 @@
 #include <ShlObj.h>
 #endif
 
+#if WINDOWS_STORE
+using namespace Windows::Storage;
+#endif
+
 namespace hecl
 {
 namespace Runtime
@@ -14,12 +18,16 @@ FileStoreManager::FileStoreManager(SystemStringView domain)
 : m_domain(domain)
 {
 #if _WIN32
+#if !WINDOWS_STORE
     WCHAR home[MAX_PATH];
     if (!SUCCEEDED(SHGetFolderPathW(NULL, CSIDL_PROFILE, NULL, 0, home)))
         Log.report(logvisor::Fatal, _S("unable to locate profile for file store"));
 
     SystemString path(home);
-
+#else
+    StorageFolder^ cacheFolder = ApplicationData::Current->LocalCacheFolder;
+    SystemString path(cacheFolder->Path->Data());
+#endif
     path += _S("/.heclrun");
 
     hecl::MakeDir(path.c_str());
diff --git a/hecl/lib/Runtime/ShaderCacheManager.cpp b/hecl/lib/Runtime/ShaderCacheManager.cpp
index d2ec5a2e6..b5aff33e6 100644
--- a/hecl/lib/Runtime/ShaderCacheManager.cpp
+++ b/hecl/lib/Runtime/ShaderCacheManager.cpp
@@ -12,7 +12,9 @@ namespace hecl
 {
 namespace Runtime
 {
+#if BOO_HAS_GL
 IShaderBackendFactory* _NewGLSLBackendFactory();
+#endif
 #if _WIN32
 IShaderBackendFactory* _NewHLSLBackendFactory();
 #endif
@@ -129,9 +131,11 @@ ShaderCacheManager::ShaderCacheManager(const FileStoreManager& storeMgr,
 
     switch (plat)
     {
+#if BOO_HAS_GL
     case boo::IGraphicsDataFactory::Platform::OpenGL:
         m_factory.reset(_NewGLSLBackendFactory());
         break;
+#endif
 #if _WIN32
     case boo::IGraphicsDataFactory::Platform::D3D11:
     case boo::IGraphicsDataFactory::Platform::D3D12:
diff --git a/hecl/lib/SteamFinder.cpp b/hecl/lib/SteamFinder.cpp
index 0c97ca869..44005e1c6 100644
--- a/hecl/lib/SteamFinder.cpp
+++ b/hecl/lib/SteamFinder.cpp
@@ -20,6 +20,7 @@ hecl::SystemString FindCommonSteamApp(const hecl::SystemChar* name)
     hecl::Sstat theStat;
 
 #ifdef WIN32
+#if !WINDOWS_STORE
     HKEY hkey;
     hecl::SystemChar _steamInstallDir[MAX_PATH] = {0};
     if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, _S("Software\\Valve\\Steam"),
@@ -38,6 +39,9 @@ hecl::SystemString FindCommonSteamApp(const hecl::SystemChar* name)
 
     if (steamInstallDir.empty())
         return {};
+#else
+    return {};
+#endif
 
 #elif defined(__APPLE__)
     steamInstallDir = getenv("HOME");
diff --git a/hecl/lib/hecl.cpp b/hecl/lib/hecl.cpp
index 6a2e63724..6b321ffbd 100644
--- a/hecl/lib/hecl.cpp
+++ b/hecl/lib/hecl.cpp
@@ -511,6 +511,7 @@ std::vector<std::pair<hecl::SystemString, std::string>> GetSystemLocations()
 {
     std::vector<std::pair<hecl::SystemString, std::string>> ret;
 #ifdef WIN32
+#if !WINDOWS_STORE
     /* Add the drive names to the listing (as queried by blender) */
     {
         wchar_t wline[FILE_MAXDIR];
@@ -561,6 +562,7 @@ std::vector<std::pair<hecl::SystemString, std::string>> GetSystemLocations()
         SanitizePath(wpath);
         ret.push_back(NameFromPath(wpath));
     }
+#endif
 #else
 #ifdef __APPLE__
     {
@@ -754,9 +756,13 @@ int RecursiveMakeDir(const SystemChar* dir) {
 const SystemChar* GetTmpDir()
 {
 #ifdef _WIN32
+#if WINDOWS_STORE
+    wchar_t* TMPDIR = nullptr;
+#else
     wchar_t* TMPDIR = _wgetenv(L"TEMP");
     if (!TMPDIR)
         TMPDIR = (wchar_t*)L"\\Temp";
+#endif
 #else
     char* TMPDIR = getenv("TMPDIR");
     if (!TMPDIR)
@@ -765,6 +771,7 @@ const SystemChar* GetTmpDir()
     return TMPDIR;
 }
 
+#if !WINDOWS_STORE
 int RunProcess(const SystemChar* path, const SystemChar* const args[])
 {
 #ifdef _WIN32
@@ -894,5 +901,6 @@ int RunProcess(const SystemChar* path, const SystemChar* const args[])
     return -1;
 #endif
 }
+#endif
 
 }
diff --git a/hecl/test/main.cpp b/hecl/test/main.cpp
index cb8a51a3f..7ba252aaf 100644
--- a/hecl/test/main.cpp
+++ b/hecl/test/main.cpp
@@ -244,6 +244,7 @@ void AthenaExcHandler(athena::error::Level level,
     va_end(ap);
 }
 
+#if !WINDOWS_STORE
 #if _WIN32
 int wmain(int argc, const boo::SystemChar** argv)
 #else
@@ -259,8 +260,23 @@ int main(int argc, const boo::SystemChar** argv)
     printf("IM DYING!!\n");
     return ret;
 }
+#else
+using namespace Windows::ApplicationModel::Core;
 
-#if _WIN32
+[Platform::MTAThread]
+int WINAPIV main(Platform::Array<Platform::String^>^ params)
+{
+    logvisor::RegisterStandardExceptions();
+    logvisor::RegisterConsoleLogger();
+    HECLApplicationCallback appCb;
+    boo::ViewProvider^ viewProvider =
+        ref new boo::ViewProvider(appCb, _S("heclTest"), _S("HECL Test"), _S("heclTest"), params, false);
+    CoreApplication::Run(viewProvider);
+    return 0;
+}
+#endif
+
+#if _WIN32 && !WINDOWS_STORE
 int APIENTRY wWinMain(HINSTANCE hInstance, HINSTANCE, LPWSTR lpCmdLine, int)
 {
     int argc = 0;