diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3b954087e..46878bbe6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -135,6 +135,7 @@ if("${SRB2_CONFIG_SYSTEM_LIBRARIES}")
 	find_package(OPENMPT REQUIRED)
 	find_package(GME REQUIRED)
 	find_package(DiscordRPC REQUIRED)
+	find_package(acsvm REQUIRED)
 endif()
 
 if(${PROJECT_SOURCE_DIR} MATCHES ${PROJECT_BINARY_DIR})
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 782a30106..7eef87ef5 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -126,6 +126,8 @@ add_executable(SRB2SDL2 MACOSX_BUNDLE WIN32
 	k_brightmap.c
 	k_director.c
 	k_follower.c
+	k_acs.c
+	k_acs-func.c
 )
 
 if("${CMAKE_COMPILER_IS_GNUCC}" AND "${CMAKE_SYSTEM_NAME}" MATCHES "Windows" AND NOT "${SRB2_CONFIG_SYSTEM_LIBRARIES}" AND NOT "${SRB2_CONFIG_SHARED_INTERNAL_LIBRARIES}")
@@ -191,6 +193,8 @@ target_link_libraries(SRB2SDL2 PRIVATE DiscordRPC::DiscordRPC)
 target_compile_definitions(SRB2SDL2 PRIVATE -DHAVE_DISCORDRPC -DUSE_STUN)
 target_sources(SRB2SDL2 PRIVATE discord.c stun.c)
 
+target_link_libraries(SRB2SDL2 PRIVATE acsvm::acsvm)
+
 set(SRB2_HAVE_THREADS ON)
 target_compile_definitions(SRB2SDL2 PRIVATE -DHAVE_THREADS)
 
diff --git a/src/k_acs-func.c b/src/k_acs-func.c
index f7521e502..c7f8380d1 100644
--- a/src/k_acs-func.c
+++ b/src/k_acs-func.c
@@ -34,6 +34,19 @@
 #include "s_sound.h"
 #include "r_textures.h"
 
+ACSVM_String *ACSVM_MapScope_GetString(ACSVM_MapScope *map, ACSVM_Word index)
+{
+	(void)map;
+	(void)index;
+	return NULL;
+}
+
+ACSVM_ThreadInfo *ACSVM_AllocThreadInfo(void *activator)
+{
+	(void)activator;
+	return NULL;
+}
+
 /*--------------------------------------------------
 	static bool ACS_GetMobjTypeFromString(const char *word, mobjtype_t *type)
 
diff --git a/src/k_acs.c b/src/k_acs.c
index 95a4b7e45..d9c533923 100644
--- a/src/k_acs.c
+++ b/src/k_acs.c
@@ -28,13 +28,13 @@
 #include "p_tick.h"
 #include "p_local.h"
 
-#include "ACS/CAPI/BinaryIO.h"
-#include "ACS/CAPI/Environment.h"
-#include "ACS/CAPI/Module.h"
-#include "ACS/CAPI/PrintBuf.h"
-#include "ACS/CAPI/Scope.h"
-#include "ACS/CAPI/String.h"
-#include "ACS/CAPI/Thread.h"
+#include <CAPI/BinaryIO.h>
+#include <CAPI/Environment.h>
+#include <CAPI/Module.h>
+#include <CAPI/PrintBuf.h>
+#include <CAPI/Scope.h>
+#include <CAPI/String.h>
+#include <CAPI/Thread.h>
 
 static ACSVM_Environment *ACSenv = NULL;
 
diff --git a/src/k_acs.h b/src/k_acs.h
index 0f764d422..7e82a14c2 100644
--- a/src/k_acs.h
+++ b/src/k_acs.h
@@ -21,13 +21,18 @@
 #include "p_polyobj.h"
 #include "d_player.h"
 
-#include "ACS/CAPI/BinaryIO.h"
-#include "ACS/CAPI/Environment.h"
-#include "ACS/CAPI/Module.h"
-#include "ACS/CAPI/PrintBuf.h"
-#include "ACS/CAPI/Scope.h"
-#include "ACS/CAPI/String.h"
-#include "ACS/CAPI/Thread.h"
+#include <CAPI/BinaryIO.h>
+#include <CAPI/Environment.h>
+#include <CAPI/Module.h>
+#include <CAPI/PrintBuf.h>
+#include <CAPI/Scope.h>
+#include <CAPI/String.h>
+#include <CAPI/Thread.h>
+
+// Temp
+ACSVM_String *ACSVM_MapScope_GetString(ACSVM_MapScope *map, ACSVM_Word index);
+ACSVM_ThreadInfo *ACSVM_AllocThreadInfo(void *activator);
+>>>>>>> 88ffab9f3c (Add ACSVM building to CMake)
 
 //
 // Special global script types.
diff --git a/thirdparty/CMakeLists.txt b/thirdparty/CMakeLists.txt
index 8e9793ee7..e5a5fd5d6 100644
--- a/thirdparty/CMakeLists.txt
+++ b/thirdparty/CMakeLists.txt
@@ -540,3 +540,105 @@ if(NOT "${SRB2_CONFIG_SYSTEM_LIBRARIES}")
 	target_include_directories(discord-rpc INTERFACE "${DiscordRPC_SOURCE_DIR}/include")
 	add_library(DiscordRPC::DiscordRPC ALIAS discord-rpc)
 endif()
+
+if(NOT "${SRB2_CONFIG_SYSTEM_LIBRARIES}")
+	CPMAddPackage(
+		NAME acsvm
+		VERSION 0
+		URL "https://github.com/DavidPH/ACSVM/archive/7011af443dd03e8592d7810b0b91f46c49bdde59.zip"
+		EXCLUDE_FROM_ALL ON
+		DOWNLOAD_ONLY YES
+	)
+
+	if(acsvm_ADDED)
+		# Sal -- While ACSVM can be built as a shared library, a lot of its options are
+		# tied to directories existing, because the project suggests just copying it into
+		# your own project directly. I don't want us to do that, so I made our own target.
+		set(
+			acsvm_SOURCES
+
+			ACSVM/Action.cpp
+			ACSVM/Action.hpp
+			ACSVM/Array.cpp
+			ACSVM/Array.hpp
+			ACSVM/BinaryIO.cpp
+			ACSVM/BinaryIO.hpp
+			ACSVM/CallFunc.cpp
+			ACSVM/CallFunc.hpp
+			ACSVM/Code.hpp
+			ACSVM/CodeData.cpp
+			ACSVM/CodeData.hpp
+			ACSVM/CodeList.hpp
+			ACSVM/Environment.cpp
+			ACSVM/Environment.hpp
+			ACSVM/Error.cpp
+			ACSVM/Error.hpp
+			ACSVM/Function.cpp
+			ACSVM/Function.hpp
+			ACSVM/HashMap.hpp
+			ACSVM/HashMapFixed.hpp
+			ACSVM/ID.hpp
+			ACSVM/Init.cpp
+			ACSVM/Init.hpp
+			ACSVM/Jump.cpp
+			ACSVM/Jump.hpp
+			ACSVM/Module.cpp
+			ACSVM/Module.hpp
+			ACSVM/ModuleACS0.cpp
+			ACSVM/ModuleACSE.cpp
+			ACSVM/PrintBuf.cpp
+			ACSVM/PrintBuf.hpp
+			ACSVM/Scope.cpp
+			ACSVM/Scope.hpp
+			ACSVM/Script.cpp
+			ACSVM/Script.hpp
+			ACSVM/Serial.cpp
+			ACSVM/Serial.hpp
+			ACSVM/Stack.hpp
+			ACSVM/Store.hpp
+			ACSVM/String.cpp
+			ACSVM/String.hpp
+			ACSVM/Thread.cpp
+			ACSVM/Thread.hpp
+			ACSVM/ThreadExec.cpp
+			ACSVM/Tracer.cpp
+			ACSVM/Tracer.hpp
+			ACSVM/Types.hpp
+			ACSVM/Vector.hpp
+
+			Util/Floats.cpp
+			Util/Floats.hpp
+
+			# temp
+			CAPI/Array.cpp
+			CAPI/Array.h
+			CAPI/BinaryIO.cpp
+			CAPI/BinaryIO.h
+			CAPI/Environment.cpp
+			CAPI/Environment.h
+			CAPI/Floats.cpp
+			CAPI/Floats.h
+			CAPI/Module.cpp
+			CAPI/Module.h
+			CAPI/PrintBuf.cpp
+			CAPI/PrintBuf.h
+			CAPI/Scope.cpp
+			CAPI/Scope.h
+			CAPI/String.cpp
+			CAPI/String.h
+			CAPI/Thread.cpp
+			CAPI/Thread.h
+			CAPI/Types.h
+		)
+		list(TRANSFORM acsvm_SOURCES PREPEND "${acsvm_SOURCE_DIR}/")
+		add_library(acsvm "${SRB2_INTERNAL_LIBRARY_TYPE}" ${acsvm_SOURCES})
+
+		target_compile_features(acsvm PRIVATE cxx_std_11)
+		#target_compile_definitions(ACSVM_SHARED="${SRB2_CONFIG_SHARED_INTERNAL_LIBRARIES}")
+
+		target_include_directories(acsvm INTERFACE "${acsvm_SOURCE_DIR}")
+
+		target_link_libraries(acsvm PRIVATE acsvm::acsvm)
+		add_library(acsvm::acsvm ALIAS acsvm)
+	endif()
+endif()