diff --git a/build.sh b/build.sh
index 2e591a7..25bd025 100644
--- a/build.sh
+++ b/build.sh
@@ -1,99 +1,175 @@
 #!/bin/bash -e
 
-# Builds an AppImage using appimagetool.
-# You need to run this inside of a build directory in the source tree,
-# it will generate the build files and compile Minetest for you.
+# run this script on an aarch64 computer, running modern debian or
+# something similar, otherwise it's not going to work...
 
-# This script should be run on Debian 11 Bullseye.
+VERSION="5.16.1"
+SDL_VERSION="2.32.10"
 
-apt-get install -y git g++ make ninja-build libc6-dev cmake libpng-dev libjpeg-dev libxi-dev libgl1-mesa-dev libsqlite3-dev libogg-dev libvorbis-dev libopenal-dev libcurl4-openssl-dev libfreetype6-dev zlib1g-dev libgmp-dev libzstd-dev libleveldb-dev gettext desktop-file-utils ca-certificates wget file --no-install-recommends
+BOLD="\x1b[1m"
+RED="\x1b[31m"
+GREEN="\x1b[32m"
+RESET="\x1b[0m"
 
-git clone --depth 1 https://github.com/LuaJIT/LuaJIT.git luajit
-git clone --depth 1 --branch stable-5 https://github.com/luanti-org/luanti.git
-
-# COMPILE LUAJIT
-pushd luajit
-make amalg -j4
-popd
-
-pushd luanti
-mkdir -p build; cd build
-
-# Download appimagetool
-if [ ! -f appimagetool ]; then
-	# Old version of appimagetool:
-	#wget https://github.com/AppImage/AppImageKit/releases/download/continuous/appimagetool-aarch64.AppImage -O appimagetool
-	wget https://github.com/AppImage/appimagetool/releases/download/continuous/appimagetool-aarch64.AppImage -O appimagetool
-	chmod +x appimagetool
+# make sure we are root
+if [ "$(id -u)" != "0" ]; then
+	echo -e "${BOLD}${RED}This script must be run as root!${RESET}"
+	exit 1
 fi
 
-# Compile and install into AppDir
+# install deps
+echo -e "${BOLD}Downloading deps...${RESET}"
+
+apt-get install -y --no-install-recommends \
+	git \
+	g++ \
+	make \
+	ninja-build \
+	libc6-dev \
+	cmake \
+	curl \
+	libpng-dev \
+	libjpeg-dev \
+	libxi-dev \
+	libgl1-mesa-dev \
+	libsqlite3-dev \
+	libogg-dev \
+	libvorbis-dev \
+	libopenal-dev \
+	libcurl4-openssl-dev \
+	libfreetype6-dev \
+	zlib1g-dev \
+	libgmp-dev \
+	libsdl2-dev \
+	libzstd-dev \
+	libleveldb-dev \
+	gettext \
+	desktop-file-utils \
+	ca-certificates \
+	file
+
+# download luajit, SDL2, and luanti source code
+echo -e "${BOLD}Downloading LuaJIT, SDL2, and Luanti source code...${RESET}"
+git clone --depth=1 https://github.com/LuaJIT/LuaJIT.git luajit
+curl -Lo luanti.zip https://github.com/luanti-org/luanti/archive/refs/tags/${VERSION}.zip
+curl -Lo sdl2.zip https://github.com/libsdl-org/SDL/releases/download/release-${SDL_VERSION}/SDL2-${SDL_VERSION}.zip
+
+unzip luanti.zip
+mv luanti-${VERSION} luanti/
+rm luanti.zip
+
+unzip sdl2.zip
+mv SDL2-${SDL_VERSION} sdl2
+rm sdl2.zip
+
+# compile luajit
+echo -e "${BOLD}Compiling LuaJIT...${RESET}"
+cd luajit
+make amalg -j$(nproc)
+cd ..
+
+# compile sdl2
+echo -e "${BOLD}Compiling SDL2...${RESET}"
+cd sdl2
+
+mkdir build
+cd build
+
 cmake .. -G Ninja \
-	-DCMAKE_BUILD_TYPE=RelWithDebInfo \
+	-DSDL_INSTALL_CMAKEDIR=usr/lib/cmake/SDL2 \
+	-DCMAKE_BUILD_TYPE=Release \
+	-DCMAKE_INSTALL_PREFIX=/ \
+	-DCMAKE_C_FLAGS="-DSDL_LEAN_AND_MEAN=1" \
+	-DSDL_{AUDIO,RENDER,VULKAN,TEST,STATIC}=OFF
+
+ninja -j$(nproc)
+strip -s *.so
+DESTDIR="../../" ninja install -j$(nproc)
+
+cd ../..
+
+# prepare to compile luanti
+cd luanti
+mkdir -p build
+cd build
+
+echo -e "${BOLD}Downloading AppImageTool${RESET}"
+curl -Lo appimagetool https://github.com/AppImage/appimagetool/releases/download/continuous/appimagetool-aarch64.AppImage
+chmod +x appimagetool
+
+# compile luanti
+echo -e "${BOLD}Compiling Luanti...${RESET}"
+cmake .. -G Ninja \
+	-DCMAKE_BUILD_TYPE=Release \
 	-DCMAKE_INSTALL_PREFIX=AppDir/usr \
 	-DBUILD_UNITTESTS=OFF \
 	-DENABLE_SYSTEM_JSONCPP=OFF \
 	-DLUA_INCLUDE_DIR=../../luajit/src/ \
 	-DLUA_LIBRARY=../../luajit/src/libluajit.a
-ninja
 
-objcopy --only-keep-debug ../bin/luanti luanti.debug
-objcopy --strip-debug --add-gnu-debuglink=luanti.debug ../bin/luanti
-
-ninja install
+# install into the AppDir folder
+ninja install -j$(nproc)
 
+# build the appimage itself
 cd AppDir
 
-# Put desktop and icon at root
+echo -e "${BOLD}Building AppImage...${RESET}"
+# put desktop and icon at root of AppDir
 ln -sf usr/share/applications/org.luanti.luanti.desktop luanti.desktop
 ln -sf usr/share/icons/hicolor/128x128/apps/luanti.png luanti.png
 ln -sf luanti.png .DirIcon
 
-# Fix locales
+# fix locales
 mv usr/share/locale usr/share/luanti
 
-cat > AppRun <<\APPRUN
-#!/bin/sh
+cat > AppRun <<'EOF'
+#!/bin/bash
 APP_PATH="$(dirname "$(readlink -f "${0}")")"
 export LD_LIBRARY_PATH="${APP_PATH}"/usr/lib/:"${LD_LIBRARY_PATH}"
 exec "${APP_PATH}/usr/bin/luanti" "$@"
-APPRUN
+EOF
+
 chmod +x AppRun
 
-# List of libraries from the system that should be bundled in the AppImage.
+# bundle the libraries
 INCLUDE_LIBS=(
 	libopenal.so.1
-	libSDL2-2.0.so.0
-	 libsndio.so.7.0
-	  libbsd.so.0
-	   libmd.so.0
+	libsndio.so.7.0
+	libbsd.so.0
+	libmd.so.0
 	libjpeg.so.62
 	libpng16.so.16
 	libvorbisfile.so.3
-	 libogg.so.0
-	 libvorbis.so.0
+	libogg.so.0
+	libvorbis.so.0
 	libzstd.so.1
 	libsqlite3.so.0
 	libleveldb.so.1d
-	 libsnappy.so.1
+	libsnappy.so.1
 )
 
 mkdir -p usr/lib/
 for i in "${INCLUDE_LIBS[@]}"; do
-	cp /usr/lib/aarch64-linux-gnu/$i usr/lib/
+	cp /usr/lib/aarch64-linux-gnu/${i} usr/lib/
 done
 
-# Actually build the appimage
+# copy our SDL2 into place
+cp ../../../usr/lib/libSDL2-2.0.so.0 usr/lib/
+
+# finally make the appimage
 cd ..
 ARCH=aarch64 ./appimagetool --appimage-extract-and-run AppDir/
 
-# Move the appimage to ~
-mv Luanti-aarch64.AppImage ../../luanti-5.15.0-aarch64.AppImage
+# move the appimage to this script's folder
+mv Luanti-aarch64.AppImage ../../luanti-${VERSION}-aarch64.AppImage
 
-# Clean up
+# clean up
 cd ../..
 
 rm -rf luanti/
+rm -rf sdl2/
+rm -rf usr/
 rm -rf luajit/
 
-echo "Done!"
+# done :D
+echo -e "${BOLD}${GREEN}Done!${RESET}"
diff --git a/test.sh b/test.sh
new file mode 100644
index 0000000..9e2638d
--- /dev/null
+++ b/test.sh
@@ -0,0 +1,94 @@
+#!/bin/bash -e
+
+# test the AppImage built with build.sh
+# again, this only works on aarch64
+
+VERSION="5.16.1"
+
+BOLD="\x1b[1m"
+RED="\x1b[31m"
+GREEN="\x1b[32m"
+RESET="\x1b[0m"
+
+# make sure we are root
+if [ "$(id -u)" != 0 ]; then
+	echo -e "${BOLD}${RED}This script must be run as root!${RESET}"
+	exit 1
+fi
+
+# make sure no other luanti processes are running
+if [ "$(ps aux | grep luanti | wc -l)" != 1 ]; then
+	echo -e "${BOLD}${RED}No Luanti processes may be running while this script is run.${RESET}"
+	exit 1
+fi
+
+# check if the AppImage even exists
+echo -e "${BOLD}Checking if AppImage exists...${RESET}"
+
+if [ ! -f luanti-${VERSION}-aarch64.AppImage ]; then
+	echo -e "${BOLD}${RED}AppImage not found, have you run build.sh?${RESET}"
+	exit 1
+fi
+
+# list of dependencies needed to make the AppImage
+DEPS=(
+	git
+	g++
+	make
+	ninja-build
+	libc6-dev
+	cmake
+	curl
+	libpng-dev
+	libjpeg-dev
+	libxi-dev
+	libgl1-mesa-dev
+	libsqlite3-dev
+	libogg-dev
+	libvorbis-dev
+	libopenal-dev
+	libcurl4-openssl-dev
+	libfreetype6-dev
+	zlib1g-dev
+	libgmp-dev
+	libsdl2-dev
+	libzstd-dev
+	libleveldb-dev
+	gettext
+	desktop-file-utils
+	ca-certificates
+	file
+)
+
+# remove the dependencies
+echo -e "${BOLD}Removing dependencies...${RESET}"
+
+for d in "${DEPS[@]}"; do
+	apt remove ${d} -y
+done
+
+# test the AppImage
+echo -e "${BOLD}${GREEN}Testing AppImage in 5 seconds${RESET}"
+sleep 5
+
+./luanti-${VERSION}-aarch64.AppImage &
+
+sleep 10
+
+if [ "$(ps | grep luanti | wc -l)" == 0 ]; then
+	echo -e "${BOLD}${RED}AppImage test failed.${RESET}"
+	exit 1
+fi
+
+# kill luanti
+pkill -9 luanti
+
+echo -e "${BOLD}${GREEN}AppImage test sucessful.${RESET}"
+echo -e "${BOLD}Reinstalling dependencies...${RESET}"
+
+# reinstall the dependencies
+for d in "${DEPS[@]}"; do
+	apt-get install -y ${d}
+done
+
+exit 0