diff --git a/.gitmodules b/.gitmodules
index 2efa950..4429e91 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -142,3 +142,19 @@
 	path = bullet3
 	url = https://github.com/bulletphysics/bullet3
 	branch = master
+[submodule "sol2"]
+	path = sol2
+	url = https://github.com/ThePhD/sol2
+	branch = develop
+[submodule "jolt"]
+	path = jolt
+	url = https://github.com/jrouwe/JoltPhysics
+	branch = master
+[submodule "json"]
+	path = json
+	url = https://github.com/nlohmann/json
+	branch = develop
+[submodule "freetype"]
+	path = freetype
+	url = https://github.com/freetype/freetype
+	branch = master
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 69d854b..ad69bf8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -82,14 +82,36 @@ ExternalProject_Add(libpng-static
 	DEPENDS zlib-static
 )
 
+ExternalProject_Add(freetype
+	SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/freetype
+	CMAKE_ARGS ${CUSTOM_OPTS}
+	-DCMAKE_POSITION_INDEPENDENT_CODE=TRUE -DBUILD_SHARED_LIBS=FALSE -DFT_DISABLE_ZLIB=TRUE
+	-DFT_DISABLE_BZIP2=TRUE -DFT_DISABLE_PNG=TRUE -DFT_DISABLE_HARFBUZZ=TRUE -DFT_DISABLE_BROTLI=TRUE
+	-DCMAKE_DISABLE_FIND_PACKAGE_PNG=TRUE -DCMAKE_DISABLE_FIND_PACKAGE_HarfBuzz=TRUE
+	-DCMAKE_DISABLE_FIND_PACKAGE_BZip2=TRUE -DCMAKE_DISABLE_FIND_PACKAGE_BrotliDec=TRUE
+	-DCMAKE_POLICY_VERSION_MINIMUM=3.5
+	DEPENDS zlib libpng jpeg-turbo
+)
+
+ExternalProject_Add(freetype-static
+	SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/freetype
+	CMAKE_ARGS ${CUSTOM_OPTS_STATIC}
+	-DCMAKE_POSITION_INDEPENDENT_CODE=TRUE -DBUILD_SHARED_LIBS=FALSE -DFT_DISABLE_ZLIB=TRUE
+	-DFT_DISABLE_BZIP2=TRUE -DFT_DISABLE_PNG=TRUE -DFT_DISABLE_HARFBUZZ=TRUE -DFT_DISABLE_BROTLI=TRUE
+	-DCMAKE_DISABLE_FIND_PACKAGE_PNG=TRUE -DCMAKE_DISABLE_FIND_PACKAGE_HarfBuzz=TRUE
+	-DCMAKE_DISABLE_FIND_PACKAGE_BZip2=TRUE -DCMAKE_DISABLE_FIND_PACKAGE_BrotliDec=TRUE
+	-DCMAKE_POLICY_VERSION_MINIMUM=3.5
+	DEPENDS zlib-static libpng-static jpeg-turbo-static
+)
+
 ExternalProject_Add(pugixml
 	SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/pugixml
-	CMAKE_ARGS ${CUSTOM_OPTS}
+	CMAKE_ARGS ${CUSTOM_OPTS} -DCMAKE_POSITION_INDEPENDENT_CODE=TRUE -DBUILD_SHARED_LIBS=FALSE
 )
 
 ExternalProject_Add(pugixml-static
 	SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/pugixml
-	CMAKE_ARGS ${CUSTOM_OPTS_STATIC}
+	CMAKE_ARGS ${CUSTOM_OPTS_STATIC} -DCMAKE_POSITION_INDEPENDENT_CODE=TRUE -DBUILD_SHARED_LIBS=FALSE
 )
 
 set(FFMPEG_CONFIG_OPTS
@@ -212,14 +234,59 @@ set(OGRE_COMMON_OPTIONS
 #		-DOGRE_CONFIG_THREADS=3
 #		-DOGRE_CONFIG_THREAD_PROVIDER="std"
 )
+ExternalProject_Add(bullet3
+	SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/bullet3
+	CMAKE_ARGS
+	${CUSTOM_OPTS}
+        -DBUILD_SHARED_LIBS=OFF
+        -DINSTALL_LIBS=ON
+        -DCMAKE_POSITION_INDEPENDENT_CODE=ON
+        -DUSE_MSVC_RUNTIME_LIBRARY_DLL=ON
+        -DBUILD_PYBULLET=OFF
+        -DUSE_DOUBLE_PRECISION=OFF
+        -DBUILD_CPU_DEMOS=OFF
+        -DBUILD_BULLET2_DEMOS=OFF
+        -DBUILD_EXTRAS=OFF
+        -DBUILD_EGL=OFF
+        -DBUILD_ENET=OFF
+        -DBUILD_UNIT_TESTS=OFF
+        -DCMAKE_RELWITHDEBINFO_POSTFIX= # fixes FindBullet on MSVC
+        -DBUILD_CLSOCKET=OFF
+        -DCMAKE_POLICY_VERSION_MINIMUM=3.5
+)
+
+ExternalProject_Add(bullet3-static
+	SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/bullet3
+	CMAKE_ARGS
+	${CUSTOM_OPTS_STATIC}
+        -DBUILD_SHARED_LIBS=OFF
+        -DINSTALL_LIBS=ON
+        -DCMAKE_POSITION_INDEPENDENT_CODE=ON
+        -DUSE_MSVC_RUNTIME_LIBRARY_DLL=ON
+        -DBUILD_PYBULLET=OFF
+        -DUSE_DOUBLE_PRECISION=OFF
+        -DBUILD_CPU_DEMOS=OFF
+        -DBUILD_BULLET2_DEMOS=OFF
+        -DBUILD_EXTRAS=OFF
+        -DBUILD_EGL=OFF
+        -DBUILD_ENET=OFF
+        -DBUILD_UNIT_TESTS=OFF
+        -DCMAKE_RELWITHDEBINFO_POSTFIX= # fixes FindBullet on MSVC
+        -DBUILD_CLSOCKET=OFF
+        -DCMAKE_POLICY_VERSION_MINIMUM=3.5
+)
+
+add_custom_target(core-deps DEPENDS zlib SDL jpeg-turbo libpng ffmpeg pugixml bullet3 freetype)
+add_custom_target(core-deps-static DEPENDS zlib-static SDL-static jpeg-turbo-static libpng-static ffmpeg-static pugixml bullet3-static freetype-static)
+
 ExternalProject_Add(ogre
 	SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/ogre
 	CMAKE_ARGS
 		${OGRE_COMMON_OPTIONS}
 		-DASSIMP_BUILD_ASSIMP_TOOLS=ON
 		-DOGRE_STATIC=FALSE
-		${CUSTOM_OPTS}
-	DEPENDS ffmpeg jpeg-turbo libpng SDL assimp glslang
+		${CUSTOM_OPTS} -DCMAKE_BUILD_TYPE=Debug
+	DEPENDS core-deps freetype assimp glslang
 )
 
 ExternalProject_Add(ogre-static
@@ -228,8 +295,8 @@ ExternalProject_Add(ogre-static
 		${OGRE_COMMON_OPTIONS}
 		-DASSIMP_BUILD_ASSIMP_TOOLS=ON
 		-DOGRE_STATIC=TRUE
-		${CUSTOM_OPTS_STATIC}
-	DEPENDS ffmpeg-static jpeg-turbo-static libpng-static SDL-static assimp-static glslang-static
+		${CUSTOM_OPTS_STATIC} -DCMAKE_BUILD_TYPE=Debug
+	DEPENDS core-deps-static freetype-static assimp-static glslang-static zlib-static
 )
 
 ExternalProject_Add(ogre-procedural
@@ -267,7 +334,7 @@ ExternalProject_Add(ogrewater
 	CMAKE_ARGS
 		${CUSTOM_OPTS}
 	INSTALL_COMMAND ""
-	DEPENDS SDL zlib ogre
+	DEPENDS core-deps ogre
 )
 
 ExternalProject_Add(ogrewater-static
@@ -275,7 +342,7 @@ ExternalProject_Add(ogrewater-static
 	CMAKE_ARGS
 		${CUSTOM_OPTS_STATIC}
 	INSTALL_COMMAND ""
-	DEPENDS SDL-static zlib-static ogre-static
+	DEPENDS core-deps-static ogre-static
 )
 
 ExternalProject_Add(flecs
@@ -290,15 +357,46 @@ ExternalProject_Add(flecs-static
 	${CUSTOM_OPTS_STATIC}
 )
 
+ExternalProject_Add(jolt
+	SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/jolt/Build
+	CMAKE_ARGS
+	${CUSTOM_OPTS} -DCMAKE_BUILD_TYPE=Debug -DBUILD_SHARED_LIBS=OFF -DCPP_RTTI_ENABLED=ON -DDEBUG_RENDERER_IN_DISTRIBUTION=ON
+)
+
+ExternalProject_Add(jolt-static
+	SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/jolt/Build
+	CMAKE_ARGS
+	${CUSTOM_OPTS_STATIC} -DCMAKE_BUILD_TYPE=Debug -DCPP_RTTI_ENABLED=ON -DDEBUG_RENDERER_IN_DISTRIBUTION=ON
+)
+
+ExternalProject_Add(json
+	SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/json
+	CMAKE_ARGS
+	${CUSTOM_OPTS} -DCMAKE_BUILD_TYPE=Debug -DBUILD_SHARED_LIBS=OFF
+)
+
+ExternalProject_Add(json-static
+	SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/json
+	CMAKE_ARGS
+	${CUSTOM_OPTS_STATIC} -DCMAKE_BUILD_TYPE=Debug
+)
+
 ExternalProject_Add(world2
 	SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/ogre-projects/world2
 	CMAKE_ARGS ${CUSTOM_OPTS} -DBLENDER=${CMAKE_CURRENT_BINARY_DIR}/blender-bin/bin/blender
-	DEPENDS ogre ogre-procedural ogre-pagedgeometry flecs SDL blender
+	DEPENDS ogre ogre-procedural ogre-pagedgeometry flecs blender json
 )
 
 ExternalProject_Add(world2-static
 	SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/ogre-projects/world2
 	CMAKE_ARGS ${CUSTOM_OPTS_STATIC} -DBLENDER=${CMAKE_CURRENT_BINARY_DIR}/blender-bin/bin/blender
-	DEPENDS ogre-static ogre-procedural-static ogre-pagedgeometry-static flecs-static SDL-static blender
+	DEPENDS ogre-static ogre-procedural-static ogre-pagedgeometry-static flecs-static json-static blender
 )
 
+ExternalProject_Add(jolt-demo
+	SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/ogre-projects/jolt-physics
+	CMAKE_ARGS ${CUSTOM_OPTS_STATIC} -DBLENDER=${CMAKE_CURRENT_BINARY_DIR}/blender-bin/bin/blender -DCMAKE_BUILD_TYPE=Debug
+	DEPENDS jolt-static ogre-static ogre-procedural-static ogre-pagedgeometry-static flecs-static blender
+)
+
+
diff --git a/freetype b/freetype
new file mode 160000
index 0000000..23b6cd2
--- /dev/null
+++ b/freetype
@@ -0,0 +1 @@
+Subproject commit 23b6cd27ff19b70cbf98e058cd2cf0647d5284ff
diff --git a/jolt b/jolt
new file mode 160000
index 0000000..6a12a14
--- /dev/null
+++ b/jolt
@@ -0,0 +1 @@
+Subproject commit 6a12a1412ce39479b5a6d18727a7fa16ccbab86f
diff --git a/json b/json
new file mode 160000
index 0000000..02ac0d6
--- /dev/null
+++ b/json
@@ -0,0 +1 @@
+Subproject commit 02ac0d6525f2e046f136ca69b5105b4e4f315b2f