diff --git a/cmake/targets/dolphin.cmake b/cmake/targets/dolphin.cmake
index a8cd9ddf..a3138633 100644
--- a/cmake/targets/dolphin.cmake
+++ b/cmake/targets/dolphin.cmake
@@ -12,27 +12,46 @@ target_compile_definitions(${DUSK_LIBRARY_TARGET_NAME} PUBLIC
   DUSK_DOLPHIN_BUILD_TYPE="${DUSK_DOLPHIN_BUILD_TYPE}"
 )
 
-
 # Custom compiler flags
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-rtti -fno-exceptions")
 
-# Need PkgConfig
-find_package(PkgConfig REQUIRED)
-pkg_check_modules(zip IMPORTED_TARGET libzip)
-
 # Disable all warnings
 target_compile_options(${DUSK_LIBRARY_TARGET_NAME} PRIVATE -w)
 
-# Custom flags for cglm
-set(CGLM_SHARED OFF CACHE BOOL "Build cglm shared" FORCE)
-set(CGLM_STATIC ON  CACHE BOOL "Build cglm static" FORCE)
+# cglm: fetched at source level via Findcglm.cmake (FetchContent, headers only)
 find_package(cglm REQUIRED)
 
-# Link libraries
+# Pre-create ZLIB::ZLIB so any downstream cmake module that resolves it
+# (FindZLIB, pkg-config IMPORTED_TARGET Requires processing) gets plain -lz
+# rather than an unresolvable IMPORTED target that the PPC linker rejects.
+if(NOT TARGET ZLIB::ZLIB)
+  add_library(ZLIB::ZLIB INTERFACE IMPORTED GLOBAL)
+  set_target_properties(ZLIB::ZLIB PROPERTIES INTERFACE_LINK_LIBRARIES "z")
+endif()
+
+# Mark libzip as found so src/dusk/CMakeLists.txt skips Findlibzip.cmake.
+# Findlibzip.cmake calls find_package(ZLIB) which can recreate a broken
+# ZLIB::ZLIB IMPORTED target, bypassing the shim above.
+set(libzip_FOUND TRUE CACHE BOOL "libzip found (devkitpro portlibs)" FORCE)
+
+# Locate zip.h in the devkitpro sysroot (respects CMAKE_FIND_ROOT_PATH).
+find_path(_dusk_zip_inc NAMES zip.h)
+if(_dusk_zip_inc)
+  target_include_directories(${DUSK_LIBRARY_TARGET_NAME} PRIVATE "${_dusk_zip_inc}")
+endif()
+
+# Link libraries.
+# zip/z/lzma use target_link_options (raw flags) to bypass cmake target
+# resolution — pkg-config-generated targets for these carry ZLIB::ZLIB in
+# INTERFACE_LINK_LIBRARIES which breaks the PPC link step.
 target_link_libraries(${DUSK_LIBRARY_TARGET_NAME} PRIVATE
   cglm
   m
-  PkgConfig::zip
+  zip
+  bz2
+  zstd
+  z
+  lzma
 )
 
 if(DUSK_DOLPHIN_BUILD_TYPE STREQUAL "ISO")
@@ -48,4 +67,4 @@ add_custom_command(TARGET ${DUSK_BINARY_TARGET_NAME} POST_BUILD
           "$<TARGET_FILE:${DUSK_BINARY_TARGET_NAME}>"
           "${DUSK_BINARY_TARGET_NAME_DOL}"
   COMMENT "Generating ${DUSK_BINARY_TARGET_NAME_DOL} from ${DUSK_BINARY_TARGET_NAME}"
-)
\ No newline at end of file
+)
diff --git a/docker/dolphin/Dockerfile b/docker/dolphin/Dockerfile
index 055e04b5..6a39baf1 100644
--- a/docker/dolphin/Dockerfile
+++ b/docker/dolphin/Dockerfile
@@ -1,6 +1,7 @@
-FROM devkitpro/devkitppc
+FROM ghcr.io/extremscorner/libogc2
 WORKDIR /workdir
 RUN apt update && \
+    dkp-pacman -Syu --noconfirm && \
     apt install -y python3 python3-pip python3-polib python3-pil python3-dotenv python3-pyqt5 python3-opengl && \
-    dkp-pacman -S --needed --noconfirm gamecube-sdl2 ppc-liblzma ppc-libzip
+    dkp-pacman -S --needed --noconfirm gamecube-sdl2 ppc-liblzma ppc-libzip libogc2 gamecube-tools ppc-libmad ppc-zlib-ng ppc-liblzma ppc-bzip2 ppc-zstd
 VOLUME ["/workdir"]
\ No newline at end of file
diff --git a/scripts/build-gamecube.sh b/scripts/build-gamecube.sh
index 9328f10e..8d8a74cd 100755
--- a/scripts/build-gamecube.sh
+++ b/scripts/build-gamecube.sh
@@ -5,6 +5,9 @@ if [ -z "$DEVKITPRO" ]; then
 fi
 
 mkdir -p build-gamecube
-cmake -S. -Bbuild-gamecube -DDUSK_TARGET_SYSTEM=gamecube -DCMAKE_TOOLCHAIN_FILE="$DEVKITPRO/cmake/GameCube.cmake"
+cmake -S. -Bbuild-gamecube \
+  -DDUSK_TARGET_SYSTEM=gamecube \
+  -DCMAKE_TOOLCHAIN_FILE="$DEVKITPRO/cmake/GameCube.cmake" \
+  -DDKP_OGC_PLATFORM_LIBRARY=libogc2
 cd build-gamecube
 make -j$(nproc) VERBOSE=1
\ No newline at end of file
diff --git a/src/duskdolphin/asset/assetdolphindvd.c b/src/duskdolphin/asset/assetdolphindvd.c
index 86414cb4..7034e420 100644
--- a/src/duskdolphin/asset/assetdolphindvd.c
+++ b/src/duskdolphin/asset/assetdolphindvd.c
@@ -20,7 +20,7 @@ errorret_t assetInitDolphinDVD(void) {
   if(!hdr) errorThrow("Failed to read DVD disc header.");
   u32 fstOff  = assetDolphinDVDReadBigEndian32(hdr + 0x424);
   u32 fstSize = assetDolphinDVDReadBigEndian32(hdr + 0x428);
-  free(hdr);
+  memoryFree(hdr);
 
   // Read the FST
   u8 *fst = (u8 *)assetDolphinDVDRead((s64)fstOff, fstSize);
@@ -71,8 +71,8 @@ void *assetDolphinDVDRead(const s64 offset, const u32 size) {
   void *buf = memoryAlign(ASSET_DOLPHIN_DVD_ALIGN, padded);
   if(!buf) return NULL;
   DCInvalidateRange(buf, padded);
-  dvdcmdblk block;
-  if(DVD_ReadPrio(&block, buf, padded, offset, 0) <= 0) {
+  static dvdcmdblk block;
+  if(DVD_ReadAbs(&block, buf, padded, offset) <= 0) {
     memoryFree(buf);
     return NULL;
   }
diff --git a/src/duskdolphin/duskplatform.h b/src/duskdolphin/duskplatform.h
index c2e801fb..48b85832 100644
--- a/src/duskdolphin/duskplatform.h
+++ b/src/duskdolphin/duskplatform.h
@@ -9,7 +9,7 @@
 
 #include <ogcsys.h>
 #include <gccore.h>
-#include <malloc.h>
+#include <ogc/timesupp.h>
 
 #define consoleInit consoleInitDolhpin
 
diff --git a/src/duskdolphin/time/timedolphin.c b/src/duskdolphin/time/timedolphin.c
index 0d9e612f..bd7318d1 100644
--- a/src/duskdolphin/time/timedolphin.c
+++ b/src/duskdolphin/time/timedolphin.c
@@ -7,6 +7,9 @@
 
 #include "time/timedolphin.h"
 
+#define SYS_Time __SYS_GetSystemTime
+#define PPCTicksToUs ticks_to_microsecs
+
 double_t timeGetRealDolphin(void) {
   // "Returns time in ticks since 2000"
   u64 timeInUs = PPCTicksToUs(SYS_Time());