diff --git a/3rdparty/CMakeLists.txt b/3rdparty/CMakeLists.txt
index 7c412da7..3868d9f0 100644
--- a/3rdparty/CMakeLists.txt
+++ b/3rdparty/CMakeLists.txt
@@ -2,11 +2,19 @@ set(CMAKE_C_CLANG_TIDY)
 
 if(DOWNLOAD_DEPENDENCIES)
     include(FetchContent)
-    FetchContent_Declare(
-        miniaudio
-        URL https://github.com/mackron/miniaudio/archive/refs/tags/0.11.22.tar.gz
-        URL_MD5 4944268151ad037f148b089237566d05
-    )
+    if (NXDK)
+      FetchContent_Declare(
+          miniaudio
+          GIT_REPOSITORY "https://github.com/mackron/miniaudio.git"
+          GIT_TAG "dev"
+      )
+    else()
+      FetchContent_Declare(
+          miniaudio
+          URL https://github.com/mackron/miniaudio/archive/refs/tags/0.11.22.tar.gz
+          URL_MD5 4944268151ad037f148b089237566d05
+      )
+    endif()
     FetchContent_MakeAvailable(miniaudio)
 else()
     add_library(miniaudio STATIC
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4df53a53..0ed9e52e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -12,13 +12,6 @@ if (WINDOWS_STORE)
   add_compile_definitions(WINDOWS_STORE)
 endif()
 
-#[[
-if (NXDK)
-  add_compile_definitions(MA_NO_WIN32_FILEIO)
-  add_definitions("-DMA_NO_WIN32_FILEIO -fms-compatibility-version=1000 -D_MSC_VER=1000")
-endif()
-]]#
-
 if (EMSCRIPTEN)
   add_compile_options(-pthread)
   add_link_options(-sUSE_WEBGL2=1 -sMIN_WEBGL_VERSION=2 -sALLOW_MEMORY_GROWTH=1 -sMAXIMUM_MEMORY=2gb -sUSE_PTHREADS=1 -sPROXY_TO_PTHREAD=1 -sOFFSCREENCANVAS_SUPPORT=1 -sPTHREAD_POOL_SIZE_STRICT=0 -sFORCE_FILESYSTEM=1 -sWASMFS=1 -sEXIT_RUNTIME=1)
@@ -512,6 +505,12 @@ if (ISLE_EXTENSIONS)
   )
 endif()
 
+if (NXDK)
+  target_sources(lego1 PRIVATE
+  ISLE/xbox/atof.c
+  )
+endif()
+
 if (ISLE_BUILD_APP)
   add_executable(isle WIN32
     ISLE/res/isle.rc
@@ -592,6 +591,11 @@ if (ISLE_BUILD_APP)
       ISLE/ios/config.cpp
     )
   endif()
+  if (NXDK)
+    target_sources(isle PRIVATE
+      ISLE/xbox/atof.c
+    )
+  endif()
   if(Python3_FOUND)
     if(NOT DEFINED PYTHON_PIL_AVAILABLE)
       execute_process(
diff --git a/ISLE/xbox/atof.c b/ISLE/xbox/atof.c
new file mode 100644
index 00000000..0b7764c0
--- /dev/null
+++ b/ISLE/xbox/atof.c
@@ -0,0 +1,40 @@
+// atof.c
+#include <ctype.h>
+
+// A lightweight atof alternative
+double atof(const char *s) {
+    double result = 0.0;
+    int sign = 1;
+    double fraction = 0.0;
+    int divisor = 1;
+
+    // Skip whitespace
+    while (*s == ' ' || *s == '\t') s++;
+
+    // Handle sign
+    if (*s == '-') {
+        sign = -1;
+        s++;
+    } else if (*s == '+') {
+        s++;
+    }
+
+    // Integer part
+    while (*s >= '0' && *s <= '9') {
+        result = result * 10.0 + (*s - '0');
+        s++;
+    }
+
+    // Fractional part
+    if (*s == '.') {
+        s++;
+        while (*s >= '0' && *s <= '9') {
+            fraction = fraction * 10.0 + (*s - '0');
+            divisor *= 10;
+            s++;
+        }
+        result += fraction / divisor;
+    }
+
+    return sign * result;
+}
diff --git a/ISLE/xbox/atof.h b/ISLE/xbox/atof.h
new file mode 100644
index 00000000..81b7712e
--- /dev/null
+++ b/ISLE/xbox/atof.h
@@ -0,0 +1,12 @@
+// atof.h
+#pragma once
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+double atof(const char *s);
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/LEGO1/lego/legoomni/src/common/mxcontrolpresenter.cpp b/LEGO1/lego/legoomni/src/common/mxcontrolpresenter.cpp
index 79bcb6cf..8a88039b 100644
--- a/LEGO1/lego/legoomni/src/common/mxcontrolpresenter.cpp
+++ b/LEGO1/lego/legoomni/src/common/mxcontrolpresenter.cpp
@@ -79,7 +79,8 @@ void MxControlPresenter::EndAction()
 MxBool MxControlPresenter::CheckButtonDown(MxS32 p_x, MxS32 p_y, MxPresenter* p_presenter)
 {
 	assert(p_presenter);
-	MxVideoPresenter* presenter = dynamic_cast<MxVideoPresenter*>(p_presenter);
+	//MxVideoPresenter* presenter = dynamic_cast<MxVideoPresenter*>(p_presenter);
+	MxVideoPresenter* presenter = (MxVideoPresenter*)(p_presenter);
 	assert(presenter);
 
 	if (m_style == e_map) {
diff --git a/LEGO1/lego/legoomni/src/entity/legoentity.cpp b/LEGO1/lego/legoomni/src/entity/legoentity.cpp
index 927d8125..09955164 100644
--- a/LEGO1/lego/legoomni/src/entity/legoentity.cpp
+++ b/LEGO1/lego/legoomni/src/entity/legoentity.cpp
@@ -119,7 +119,8 @@ void LegoEntity::SetWorld()
 {
 	LegoWorld* world = CurrentWorld();
 
-	LegoWorld* maybeWorld = dynamic_cast<LegoWorld*>(this);
+	//LegoWorld* maybeWorld = dynamic_cast<LegoWorld*>(this);
+	LegoWorld* maybeWorld = (LegoWorld*)(this);
 	if (world != NULL && world != maybeWorld) {
 		world->Add(this);
 	}
diff --git a/miniwin/src/ddraw/framebuffer.cpp b/miniwin/src/ddraw/framebuffer.cpp
index d3d8a3b8..ff5af826 100644
--- a/miniwin/src/ddraw/framebuffer.cpp
+++ b/miniwin/src/ddraw/framebuffer.cpp
@@ -30,7 +30,8 @@ HRESULT FrameBufferImpl::QueryInterface(const GUID& riid, void** ppvObject)
 // IDirectDrawSurface interface
 HRESULT FrameBufferImpl::AddAttachedSurface(LPDIRECTDRAWSURFACE lpDDSAttachedSurface)
 {
-	if (dynamic_cast<DummySurfaceImpl*>(lpDDSAttachedSurface)) {
+	//if (dynamic_cast<DummySurfaceImpl*>(lpDDSAttachedSurface)) {
+	if ((DummySurfaceImpl*)(lpDDSAttachedSurface)) {
 		return DD_OK;
 	}
 	MINIWIN_NOT_IMPLEMENTED();
@@ -49,7 +50,8 @@ HRESULT FrameBufferImpl::Blt(
 		return DDERR_GENERIC;
 	}
 
-	if (dynamic_cast<FrameBufferImpl*>(lpDDSrcSurface) == this) {
+	//if (dynamic_cast<FrameBufferImpl*>(lpDDSrcSurface) == this) {
+	if ((FrameBufferImpl*)(lpDDSrcSurface) == this) {
 		return Flip(nullptr, DDFLIP_WAIT);
 	}