diff --git a/.github/workflows/extensions.yml b/.github/workflows/extensions.yml
index 12be4ceb1e..06e4737e80 100644
--- a/.github/workflows/extensions.yml
+++ b/.github/workflows/extensions.yml
@@ -18,7 +18,9 @@ jobs:
     - name: Build
       shell: cmd
       run: |
-        cd extensions/build
+        cd extensions
+        mkdir build
+        cd build
         cmake .. && cmake --build .
     - name: Upload Artifact
       uses: actions/upload-artifact@master
diff --git a/.gitignore b/.gitignore
index 52645712a7..cd55d5af70 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,8 @@
 *.zip
 release/*
 releases/*
+extensions/vcproj32/*
+extensions/vcproj64/*
 hemtt
 hemtt.exe
 tools/temp
diff --git a/extensions/.clang-format b/extensions/.clang-format
new file mode 100644
index 0000000000..89eb4f4686
--- /dev/null
+++ b/extensions/.clang-format
@@ -0,0 +1,9 @@
+BasedOnStyle: Google
+IndentWidth: 4
+ColumnLimit: 160
+DerivePointerAlignment: false
+PointerAlignment: Left
+NamespaceIndentation: All
+IncludeBlocks: Merge
+
+AllowShortBlocksOnASingleLine: true
diff --git a/extensions/CMakeLists.txt b/extensions/CMakeLists.txt
index 74f22ef9c3..d8021ea4b2 100644
--- a/extensions/CMakeLists.txt
+++ b/extensions/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required (VERSION 3.0)
+cmake_minimum_required (VERSION 3.14)
 project (ACE)
 
 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
@@ -98,16 +98,21 @@ endif()
 
 
 string(TIMESTAMP ACE_BUILDSTAMP "%Y-%m-%dT%H:%M:%SZ")
-set(ACE_VERSION_MAJOR 3)
-set(ACE_VERSION_MINOR 13)
-set(ACE_VERSION_REVISION 0)
+# Get current version from addon
+file(READ "../addons/main/script_version.hpp" script_version)
+string(REGEX MATCH "#define MAJOR ([0-9]*)" "x" outputX ${script_version})
+set(ACE_VERSION_MAJOR ${CMAKE_MATCH_1})
+string(REGEX MATCH "#define MINOR ([0-9]*)" "x" outputX ${script_version})
+set(ACE_VERSION_MINOR ${CMAKE_MATCH_1})
+string(REGEX MATCH "#define PATCHLVL ([0-9]*)" outputX ${script_version})
+set(ACE_VERSION_REVISION ${CMAKE_MATCH_1})
 EXECUTE_PROCESS(COMMAND git rev-parse --verify HEAD
     OUTPUT_VARIABLE T_ACE_VERSION_BUILD
     OUTPUT_STRIP_TRAILING_WHITESPACE
 )
 string(SUBSTRING ${T_ACE_VERSION_BUILD} 0 7 ACE_VERSION_BUILD )
 
-message("Building for: " ${ACE_VERSION_MAJOR}.${ACE_VERSION_MINOR}.${ACE_VERSION_REVISION}-${ACE_VERSION_BUILD})
+message("Setting ACE Version: " ${ACE_VERSION_MAJOR}.${ACE_VERSION_MINOR}.${ACE_VERSION_REVISION}-${ACE_VERSION_BUILD})
 
 configure_file(
     "${CMAKE_CURRENT_SOURCE_DIR}/common/ace_version.hpp.in"
@@ -135,7 +140,7 @@ add_subdirectory(fcs)
 add_subdirectory(break_line)
 add_subdirectory(clipboard)
 add_subdirectory(advanced_ballistics)
-add_subdirectory(medical)
+#add_subdirectory(medical) # After medical re-write this extension is no longer used
 add_subdirectory(parse_imagepath)
 add_subdirectory(artillerytables)
 
@@ -149,5 +154,14 @@ if (DEVEL)
 endif()
 
 
+# GTest
+option(ENABLE_GTEST "ENABLE_GTEST" ON)
+if (ENABLE_GTEST)
+    include(FetchContent)
+    FetchContent_Declare(googletest GIT_REPOSITORY https://github.com/google/googletest.git)
+    # For Windows: Prevent overriding the parent project's compiler/linker settings
+    set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
+    FetchContent_MakeAvailable(googletest)
+endif()
 
 message("Build Type: ${CMAKE_BUILD_TYPE}")
diff --git a/extensions/advanced_ballistics/CMakeLists.txt b/extensions/advanced_ballistics/CMakeLists.txt
index 55d84810d1..9319d0bbd7 100644
--- a/extensions/advanced_ballistics/CMakeLists.txt
+++ b/extensions/advanced_ballistics/CMakeLists.txt
@@ -9,4 +9,14 @@ set_target_properties(${ACE_EXTENSION_NAME} PROPERTIES FOLDER Extensions)
 if(CMAKE_COMPILER_IS_GNUCXX)
 	set_target_properties(${ACE_EXTENSION_NAME} PROPERTIES LINK_SEARCH_START_STATIC 1)
 	set_target_properties(${ACE_EXTENSION_NAME} PROPERTIES LINK_SEARCH_END_STATIC 1)
-endif()
\ No newline at end of file
+endif()
+
+# Copy and rename DLL to root
+if(USE_64BIT_BUILD)
+    set(FINAL_DLL_NAME ${ACE_EXTENSION_NAME}_x64.dll)
+else()
+    set(FINAL_DLL_NAME ${ACE_EXTENSION_NAME}.dll)
+endif()
+add_custom_command(TARGET ${ACE_EXTENSION_NAME} POST_BUILD
+    COMMAND ${CMAKE_COMMAND} -E copy $<TARGET_FILE:${ACE_EXTENSION_NAME}> ${PROJECT_SOURCE_DIR}/../${FINAL_DLL_NAME}
+)
diff --git a/extensions/artillerytables/CMakeLists.txt b/extensions/artillerytables/CMakeLists.txt
index 5b6d3863c9..bd897c5103 100644
--- a/extensions/artillerytables/CMakeLists.txt
+++ b/extensions/artillerytables/CMakeLists.txt
@@ -11,14 +11,23 @@ if(CMAKE_COMPILER_IS_GNUCXX)
 	set_target_properties(${ACE_EXTENSION_NAME} PROPERTIES LINK_SEARCH_END_STATIC 1)
 endif()
 
+# Copy and rename DLL to root
+if(USE_64BIT_BUILD)
+    set(FINAL_DLL_NAME ${ACE_EXTENSION_NAME}_x64.dll)
+else()
+    set(FINAL_DLL_NAME ${ACE_EXTENSION_NAME}.dll)
+endif()
+add_custom_command(TARGET ${ACE_EXTENSION_NAME} POST_BUILD
+    COMMAND ${CMAKE_COMMAND} -E copy $<TARGET_FILE:${ACE_EXTENSION_NAME}> ${PROJECT_SOURCE_DIR}/../${FINAL_DLL_NAME}
+)
 
-
-# enable_testing()
-# set(ACE_TEST_NAME Test_${ACE_EXTENSION_NAME})
-
-# add_executable(${ACE_TEST_NAME} tests/tester.cpp ${SOURCES})
-# target_link_libraries(${ACE_TEST_NAME} ace_common)
-# target_link_libraries(${ACE_TEST_NAME} ${ACE_EXTENSION_NAME})
-# target_link_libraries(${ACE_TEST_NAME} gtest_main)
-# add_test(${ACE_TEST_NAME} ${ACE_TEST_NAME})
-# set_target_properties(${ACE_TEST_NAME} PROPERTIES FOLDER Tests)
+if (TARGET gtest_main) # Add Tests
+    enable_testing()
+    set(ACE_TEST_NAME ${ACE_EXTENSION_NAME}_test)
+    add_executable(${ACE_TEST_NAME} tests/tester.cpp ${SOURCES})
+    target_link_libraries(${ACE_TEST_NAME} ace_common)
+    target_link_libraries(${ACE_TEST_NAME} ${ACE_EXTENSION_NAME})
+    target_link_libraries(${ACE_TEST_NAME} gtest_main)
+    add_test(${ACE_TEST_NAME} ${ACE_TEST_NAME})
+    set_target_properties(${ACE_TEST_NAME} PROPERTIES FOLDER Tests)
+endif()
diff --git a/extensions/break_line/CMakeLists.txt b/extensions/break_line/CMakeLists.txt
index 5d29d295c8..320df7a103 100644
--- a/extensions/break_line/CMakeLists.txt
+++ b/extensions/break_line/CMakeLists.txt
@@ -9,4 +9,14 @@ set_target_properties(${ACE_EXTENSION_NAME} PROPERTIES FOLDER Extensions)
 if(CMAKE_COMPILER_IS_GNUCXX)
 	set_target_properties(${ACE_EXTENSION_NAME} PROPERTIES LINK_SEARCH_START_STATIC 1)
 	set_target_properties(${ACE_EXTENSION_NAME} PROPERTIES LINK_SEARCH_END_STATIC 1)
-endif()
\ No newline at end of file
+endif()
+
+# Copy and rename DLL to root
+if(USE_64BIT_BUILD)
+    set(FINAL_DLL_NAME ${ACE_EXTENSION_NAME}_x64.dll)
+else()
+    set(FINAL_DLL_NAME ${ACE_EXTENSION_NAME}.dll)
+endif()
+add_custom_command(TARGET ${ACE_EXTENSION_NAME} POST_BUILD
+    COMMAND ${CMAKE_COMMAND} -E copy $<TARGET_FILE:${ACE_EXTENSION_NAME}> ${PROJECT_SOURCE_DIR}/../${FINAL_DLL_NAME}
+)
diff --git a/extensions/break_line/ace_break_line.cpp b/extensions/break_line/ace_break_line.cpp
index 909c2a1ebb..3c169e6a88 100644
--- a/extensions/break_line/ace_break_line.cpp
+++ b/extensions/break_line/ace_break_line.cpp
@@ -22,6 +22,9 @@
 
 extern "C" {
     EXPORT void __stdcall RVExtension(char *output, int outputSize, const char *function);
+    EXPORT void __stdcall RVExtensionVersion(char *output, int outputSize) {
+        strncpy(output, ACE_FULL_VERSION_STR, outputSize - 1);
+    }
 }
 
 std::vector<std::string> splitString(const std::string & input) {
diff --git a/extensions/build/.gitignore b/extensions/build/.gitignore
deleted file mode 100644
index 86d0cb2726..0000000000
--- a/extensions/build/.gitignore
+++ /dev/null
@@ -1,4 +0,0 @@
-# Ignore everything in this directory
-*
-# Except this file
-!.gitignore
\ No newline at end of file
diff --git a/extensions/clipboard/CMakeLists.txt b/extensions/clipboard/CMakeLists.txt
index b8f846844c..6c5668bcdd 100644
--- a/extensions/clipboard/CMakeLists.txt
+++ b/extensions/clipboard/CMakeLists.txt
@@ -9,4 +9,14 @@ set_target_properties(${ACE_EXTENSION_NAME} PROPERTIES FOLDER Extensions)
 if(CMAKE_COMPILER_IS_GNUCXX)
 	set_target_properties(${ACE_EXTENSION_NAME} PROPERTIES LINK_SEARCH_START_STATIC 1)
 	set_target_properties(${ACE_EXTENSION_NAME} PROPERTIES LINK_SEARCH_END_STATIC 1)
-endif()
\ No newline at end of file
+endif()
+
+# Copy and rename DLL to root
+if(USE_64BIT_BUILD)
+    set(FINAL_DLL_NAME ${ACE_EXTENSION_NAME}_x64.dll)
+else()
+    set(FINAL_DLL_NAME ${ACE_EXTENSION_NAME}.dll)
+endif()
+add_custom_command(TARGET ${ACE_EXTENSION_NAME} POST_BUILD
+    COMMAND ${CMAKE_COMMAND} -E copy $<TARGET_FILE:${ACE_EXTENSION_NAME}> ${PROJECT_SOURCE_DIR}/../${FINAL_DLL_NAME}
+)
diff --git a/extensions/clipboard/ace_clipboard.cpp b/extensions/clipboard/ace_clipboard.cpp
index 2ca85711df..d463a4634e 100644
--- a/extensions/clipboard/ace_clipboard.cpp
+++ b/extensions/clipboard/ace_clipboard.cpp
@@ -18,6 +18,9 @@
 
 extern "C" {
     EXPORT void __stdcall RVExtension(char *output, int outputSize, const char *function);
+    EXPORT void __stdcall RVExtensionVersion(char *output, int outputSize) {
+        strncpy(output, ACE_FULL_VERSION_STR, outputSize - 1);
+    }
 }
 
 std::string gClipboardData;
diff --git a/extensions/fcs/CMakeLists.txt b/extensions/fcs/CMakeLists.txt
index b5c7b5671f..e7e6913882 100644
--- a/extensions/fcs/CMakeLists.txt
+++ b/extensions/fcs/CMakeLists.txt
@@ -9,4 +9,14 @@ set_target_properties(${ACE_EXTENSION_NAME} PROPERTIES FOLDER Extensions)
 if(CMAKE_COMPILER_IS_GNUCXX)
 	set_target_properties(${ACE_EXTENSION_NAME} PROPERTIES LINK_SEARCH_START_STATIC 1)
 	set_target_properties(${ACE_EXTENSION_NAME} PROPERTIES LINK_SEARCH_END_STATIC 1)
-endif()
\ No newline at end of file
+endif()
+
+# Copy and rename DLL to root
+if(USE_64BIT_BUILD)
+    set(FINAL_DLL_NAME ${ACE_EXTENSION_NAME}_x64.dll)
+else()
+    set(FINAL_DLL_NAME ${ACE_EXTENSION_NAME}.dll)
+endif()
+add_custom_command(TARGET ${ACE_EXTENSION_NAME} POST_BUILD
+    COMMAND ${CMAKE_COMMAND} -E copy $<TARGET_FILE:${ACE_EXTENSION_NAME}> ${PROJECT_SOURCE_DIR}/../${FINAL_DLL_NAME}
+)
diff --git a/extensions/fcs/ace_fcs.cpp b/extensions/fcs/ace_fcs.cpp
index 3ca32f439f..f15066bc11 100644
--- a/extensions/fcs/ace_fcs.cpp
+++ b/extensions/fcs/ace_fcs.cpp
@@ -28,6 +28,9 @@
 
 extern "C" {
     EXPORT void __stdcall RVExtension(char *output, int outputSize, const char *function);
+    EXPORT void __stdcall RVExtensionVersion(char *output, int outputSize) {
+        strncpy(output, ACE_FULL_VERSION_STR, outputSize - 1);
+    }
 }
 
 std::vector<std::string> splitString(std::string input) {
diff --git a/extensions/parse_imagepath/CMakeLists.txt b/extensions/parse_imagepath/CMakeLists.txt
index e38a4bb506..251796a95e 100644
--- a/extensions/parse_imagepath/CMakeLists.txt
+++ b/extensions/parse_imagepath/CMakeLists.txt
@@ -9,4 +9,14 @@ set_target_properties(${ACE_EXTENSION_NAME} PROPERTIES FOLDER Extensions)
 if(CMAKE_COMPILER_IS_GNUCXX)
 	set_target_properties(${ACE_EXTENSION_NAME} PROPERTIES LINK_SEARCH_START_STATIC 1)
 	set_target_properties(${ACE_EXTENSION_NAME} PROPERTIES LINK_SEARCH_END_STATIC 1)
-endif()
\ No newline at end of file
+endif()
+
+# Copy and rename DLL to root
+if(USE_64BIT_BUILD)
+    set(FINAL_DLL_NAME ${ACE_EXTENSION_NAME}_x64.dll)
+else()
+    set(FINAL_DLL_NAME ${ACE_EXTENSION_NAME}.dll)
+endif()
+add_custom_command(TARGET ${ACE_EXTENSION_NAME} POST_BUILD
+    COMMAND ${CMAKE_COMMAND} -E copy $<TARGET_FILE:${ACE_EXTENSION_NAME}> ${PROJECT_SOURCE_DIR}/../${FINAL_DLL_NAME}
+)
diff --git a/extensions/parse_imagepath/ace_parse_imagepath.cpp b/extensions/parse_imagepath/ace_parse_imagepath.cpp
index eda1af0d6e..98b1cfa50f 100644
--- a/extensions/parse_imagepath/ace_parse_imagepath.cpp
+++ b/extensions/parse_imagepath/ace_parse_imagepath.cpp
@@ -19,6 +19,9 @@
 
 extern "C" {
     EXPORT void __stdcall RVExtension(char *output, int outputSize, const char *function);
+    EXPORT void __stdcall RVExtensionVersion(char *output, int outputSize) {
+        strncpy(output, ACE_FULL_VERSION_STR, outputSize - 1);
+    }
 }
 
 std::string getImagePathFromStructuredText(const std::string & input) {
diff --git a/tools/compileExtensions.py b/tools/compileExtensions.py
new file mode 100644
index 0000000000..8864d98e7a
--- /dev/null
+++ b/tools/compileExtensions.py
@@ -0,0 +1,97 @@
+#!/usr/bin/env python3
+# vim: set fileencoding=utf-8 :
+
+# compileExtensions.py (from acre2's make.py)
+
+###############################################################################
+
+# The MIT License (MIT)
+
+# Copyright (c) 2013-2014 Ryan Schultz
+
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+
+###############################################################################
+
+import sys
+import os.path
+import subprocess
+import shutil
+import time
+import timeit
+
+if sys.platform == "win32":
+    import winreg
+
+
+def compile_extensions(force_build):
+    originalDir = os.getcwd()
+    extensions_root = os.path.join(os.path.dirname(os.getcwd()), "extensions")
+    os.chdir(extensions_root)
+    print("\nCompiling extensions in {} with rebuild:{}\n".format(extensions_root, force_build))
+
+    if shutil.which("git") == None:
+        print("Failed to find Git!")
+        return
+    if shutil.which("cmake") == None:
+        print("Failed to find CMake!")
+        return
+    if shutil.which("msbuild") == None:
+        print("Failed to find MSBuild!")
+        return
+
+    try:
+        buildType = "rebuild" if force_build else "build"
+        # 32-bit
+        vcproj32 = os.path.join(extensions_root, "vcproj32")
+        if not os.path.exists(vcproj32):
+            os.mkdir(vcproj32)
+        os.chdir(vcproj32)
+        subprocess.call(["cmake", "..", "-A", "Win32"])  # note: cmake will update ace_version stuff
+        subprocess.call(["msbuild", "ACE.sln", "/m", "/t:{}".format(buildType), "/p:Configuration=Release"])
+
+        # 64-bit
+        vcproj64 = os.path.join(extensions_root, "vcproj64")
+        if not os.path.exists(vcproj64):
+            os.mkdir(vcproj64)
+        os.chdir(vcproj64)
+        subprocess.call(["cmake", "..", "-A", "x64"])
+        subprocess.call(["msbuild", "ACE.sln", "/m", "/t:{}".format(buildType), "/p:Configuration=Release"])
+    except Exception as e:
+        print("Error: COMPILING EXTENSIONS - {}".format(e))
+        raise
+    finally:
+        os.chdir(originalDir)
+
+
+def main(argv):
+    if "force" in argv:
+        argv.remove("force")
+        force_build = True
+    else:
+        force_build = False
+
+    compile_extensions(force_build)
+
+
+if __name__ == "__main__":
+    start_time = timeit.default_timer()
+    main(sys.argv)
+    print("\nTotal Program time elapsed: {0} sec".format(timeit.default_timer() - start_time))
+    input("Press Enter to continue...")