diff --git a/lug-helper.sh b/lug-helper.sh
index 487d653..f76803c 100755
--- a/lug-helper.sh
+++ b/lug-helper.sh
@@ -73,7 +73,7 @@ message() {
 		# main menu radio list
 		# call format: message 5 "TRUE" "List item 1" "FALSE" "List item 2" "FALSE" "List item 3"
 		# IMPORTANT: Adjust the height value below based on the number of items listed in the menu
-		margs=("--list" "--radiolist" "--height=240" "--text=<b><big>Welcome, fellow Penguin, to the Star Citizen LUG Helper Script!</big>\n\nThis script is designed to help you optimize your system for Star Citizen.</b>\n\nYou may choose from the following options:" "--hide-header" "--column=" "--column=Option")
+		margs=("--list" "--radiolist" "--height=290" "--text=<b><big>Welcome, fellow Penguin, to the Star Citizen LUG Helper!</big>\n\nThis helper is designed to help optimize your system for Star Citizen</b>\n\nYou may choose from the following options:" "--hide-header" "--column=" "--column=Option")
 		;;
 	    *)
 		echo -e "Invalid message format.\n\nThe message function expects a numerical argument followed by string arguments.\n"
@@ -85,11 +85,11 @@ message() {
 	if [ "$1" -eq 4 ] || [ "$1" -eq 5 ]; then
 	    # requires a space between the assembled arguments
 	    shift 1   # drop the first numerical argument and shift the remaining up one
-	    zenity "${margs[@]}" "$@" --width="400" --title="Star Citizen LUG Helper Script"
+	    zenity "${margs[@]}" "$@" --width="400" --title="Star Citizen LUG Helper"
 	else
 	    # no space between the assmebled arguments
 	    shift 1   # drop the first numerical argument and shift the remaining up one
-	    zenity "${margs[@]}""$@" --width="400" --title="Star Citizen LUG Helper Script"
+	    zenity "${margs[@]}""$@" --width="400" --title="Star Citizen LUG Helper"
 	fi
     else
         # Text based menu.  Does not work with message types 4 and 5 (zenity radio lists)
@@ -141,10 +141,9 @@ message() {
 getdirs() {
     # Sanity checks
     if [ ! -d "$conf_dir" ]; then
-	message 2 "Config directory not found. The script is unable to proceed.\n\n$conf_dir"
+	message 2 "Config directory not found. The helper is unable to proceed.\n\n$conf_dir"
         return 1
     fi
-
     if [ ! -d "$conf_dir/$conf_subdir" ]; then
         mkdir "$conf_dir/$conf_subdir"
     fi
@@ -152,22 +151,35 @@ getdirs() {
     # Check if the config files already exist
     if [ -f "$conf_dir/$conf_subdir/$wine_conf" ]; then
         wine_prefix="$(cat "$conf_dir/$conf_subdir/$wine_conf")"
+	if [ ! -d "$wine_prefix" ]; then
+	    echo -e "\nThe saved wine prefix does not exist, ignoring.\n"
+	    wine_prefix=""
+	fi
     fi
     if [ -f "$conf_dir/$conf_subdir/$game_conf" ]; then
         game_path="$(cat "$conf_dir/$conf_subdir/$game_conf")"
+	if [ ! -d "$game_path" ] || [ "$(basename "$game_path")" != "Star Citizen" ]; then
+	    echo -e "\nUnexpected game path found in config file, ignoring.\n"
+	    game_path=""
+	fi
     fi
     if [ -f "$conf_dir/$conf_subdir/$backup_conf" ]; then
         backup_path="$(cat "$conf_dir/$conf_subdir/$backup_conf")"
+	if [ ! -d "$backup_path" ]; then
+	    echo -e "\nThe saved backup path does not exist, ignoring.\n"
+	    backup_path=""
+	fi
     fi
-    
+
+    # If we don't have the directory paths we need yet, ask the user to provide them
     if [ -z "$wine_prefix" ] || [ -z "$game_path" ] || [ -z "$backup_path" ]; then
-	message 1 "You will now be asked to provide some directories needed by this script.\n\nThey will be saved for later use in:\n$conf_dir/$conf_subdir/"
+	message 1 "You will now be asked to provide some directories needed by the helper.\n\nThey will be saved for later use in:\n$conf_dir/$conf_subdir/"
 	if [ "$has_zen" -eq 1 ]; then
             # Get the wine prefix directory
             if [ -z "$wine_prefix" ]; then
 		wine_prefix="$(zenity --file-selection --directory --title="Select your WINE prefix directory" --filename="$HOME/.wine")"
 		if [ "$?" -eq -1 ]; then
-                    message 2 "An unexpected error has occurred. The script is unable to proceed."
+                    message 2 "An unexpected error has occurred. The helper is unable to proceed."
 		    return 1
 		elif [ -z "$wine_prefix" ]; then
 		    # User clicked cancel
@@ -178,12 +190,12 @@ getdirs() {
 
             # Get the game path
             if [ -z "$game_path" ]; then
-		while game_path="$(zenity --file-selection --directory --title="Select your Star Citizen LIVE directory" --filename="$wine_prefix/")"; do
+		while game_path="$(zenity --file-selection --directory --title="Select your Star Citizen directory" --filename="$wine_prefix/drive_c/Program Files/Roberts Space Industries/Star Citizen")"; do
 	            if [ "$?" -eq -1 ]; then
-			message 2 "An unexpected error has occurred. The script is unable to proceed."
+			message 2 "An unexpected error has occurred. The helper is unable to proceed."
 			return 1
-                    elif [ "$(basename "$game_path")" != "LIVE" ]; then
-			message 2 "You must select your LIVE directory."
+                    elif [ "$(basename "$game_path")" != "Star Citizen" ]; then
+			message 2 "You must select the directory named 'Star Citizen'"
 		    else
 			# All good or cancel
 			break
@@ -201,7 +213,7 @@ getdirs() {
             if [ -z "$backup_path" ]; then
 		backup_path="$(zenity --file-selection --directory --title="Select a backup directory for your keybinds" --filename="$HOME/")"
 		if [ "$?" -eq -1 ]; then
-	            message 2 "An unexpected error has occurred. The script is unable to proceed."
+	            message 2 "An unexpected error has occurred. The helper is unable to proceed."
 		    return 1
 		elif [ -z "$backup_path" ]; then
 		    # User clicked cancel
@@ -225,13 +237,13 @@ getdirs() {
 
 		# Get the game path
 		if [ -z "$game_path" ]; then
-		    echo -e "\nEnter the full path to your Star Citizen installation LIVE directory\n(case sensitive)"
-		    echo -e "ie. /home/USER/.wine/drive_c/Program Files/Roberts Space Industries/Star Citizen/LIVE/"
+		    echo -e "\nEnter the full path to your Star Citizen installation directory\n(case sensitive)"
+		    echo -e "ie. /home/USER/.wine/drive_c/Program Files/Roberts Space Industries/Star Citizen/"
 		    while read -rp ": " game_path; do
 			if [ ! -d "$game_path" ]; then
 			    echo -e "That directory is invalid or does not exist. Please try again.\n"
-			elif [ "$(basename "$game_path")" != "LIVE" ]; then
-			    echo -e "You must select your LIVE directory."
+			elif [ "$(basename "$game_path")" != "Star Citizen" ]; then
+			    echo -e "You must enter the full path to the directory named 'Star Citizen'"
 			else
 			    break
 			fi
@@ -260,7 +272,7 @@ getdirs() {
     fi
 
     # Set some remaining directory paths
-    user_dir="$game_path/USER"
+    user_dir="$game_path/$live_or_ptu/USER"
     mappings_dir="$user_dir/Controls/Mappings"
 }
 
@@ -278,7 +290,7 @@ sanitize() {
 
     # Sanity check
     if [ ! -d "$user_dir" ]; then
-	message 2 "Directory not found. The script is unable to proceed.\n\n$user_dir"
+	message 2 "USER directory not found. There is nothing to delete!\n\n$user_dir"
 	return 0
     fi
 
@@ -318,25 +330,26 @@ sanitize() {
 }
 
 # Check if setting vm.max_map_count was successful
-check_map_count() {
+check_mapcount() {
     if [ "$(cat /proc/sys/vm/max_map_count)" -lt 16777216 ]; then
-        message 2 "As far as this script can detect, vm.max_map_count\nwas not successfully configured on your system.\n\nYou will most likely experience crashes."
+        message 2 "As far as this helper can detect, vm.max_map_count\nwas not successfully configured on your system.\n\nYou will most likely experience crashes."
     fi
 }
 
 # Check vm.max_map_count for the correct setting and let the user fix it if needed
-set_map_count() {
+set_mapcount() {
     # If vm.max_map_count is already set, no need to do anything
     if [ "$(cat /proc/sys/vm/max_map_count)" -ge 16777216 ]; then
     	message 1 "vm.max_map_count is already set to the optimal value.  You're all set!"
 	return 0
     fi
 
+    # Otherwise, check to see if it was supposed to be set by sysctl
     if grep -E -x -q "vm.max_map_count" /etc/sysctl.conf /etc/sysctl.d/* 2>/dev/null; then  
-	if message 3 "It looks like you've already configured your system to work with Star Citizen\nand saved the setting to persist across reboots.\nHowever, for some reason the persistence part did not work.\n\nFor now, would you like to enable the setting again until the next reboot?"; then
+	if message 3 "It looks like you've already configured vm.max_map_count\nand saved the setting to persist across reboots.\nHowever, for some reason the persistence part did not work.\n\nFor now, would you like to enable the setting again until the next reboot?"; then
             pkexec sh -c 'sysctl -w vm.max_map_count=16777216'
 	fi
-	check_map_count
+	check_mapcount
 	return 0
     fi
     
@@ -348,7 +361,7 @@ set_map_count() {
     newsysctl_msg="To change the setting (a kernel parameter) until next boot, run:\n\nsudo sh -c 'sysctl -w vm.max_map_count=16777216'\n\n\nTo persist the setting between reboots, run:\n\nsudo sh -c 'echo \"vm.max_map_count = 16777216\" >> /etc/sysctl.d/20-max_map_count.conf &amp;&amp; sysctl -p'"
     oldsysctl_msg="To change the setting (a kernel parameter) until next boot, run:\n\nsudo sh -c 'sysctl -w vm.max_map_count=16777216'\n\n\nTo persist the setting between reboots, run:\n\nsudo sh -c 'echo \"vm.max_map_count = 16777216\" >> /etc/sysctl.conf &amp;&amp; sysctl -p'"
 
-    if message 3 "Running Star Citizen requires changing a system setting\nto give the game access to more than 8GB of memory.\n\nvm.max_map_count must be increased to at least 16777216\nto avoid crashes in areas with lots of geometry.\n\n\nAs far as this script can detect, the setting\nhas not been changed on your system.\n\nWould you like to change the setting now?"; then
+    if message 3 "Running Star Citizen requires changing a system setting\nto give the game access to more than 8GB of memory.\n\nvm.max_map_count must be increased to at least 16777216\nto avoid crashes in areas with lots of geometry.\n\n\nAs far as this helper can detect, the setting\nhas not been changed on your system.\n\nWould you like to change the setting now?"; then
         if [ "$has_zen" -eq 1 ]; then
             # zenity menu
             options_mapcount=("--height=165" "TRUE" "$once" "FALSE" "$persist" "FALSE" "$manual")
@@ -356,7 +369,7 @@ set_map_count() {
             case "$choice" in
                 "$once")
         	    pkexec sh -c 'sysctl -w vm.max_map_count=16777216'
-		    check_map_count
+		    check_mapcount
         	    ;;
                 "$persist")
         	    if [ -d "/etc/sysctl.d" ]; then
@@ -364,7 +377,7 @@ set_map_count() {
         	    else
                         pkexec sh -c 'echo "vm.max_map_count = 16777216" >> /etc/sysctl.conf && sysctl -p'
         	    fi
-		    check_map_count
+		    check_mapcount
         	    ;;
                 "$manual")
         	    if [ -d "/etc/sysctl.d" ]; then
@@ -374,14 +387,14 @@ set_map_count() {
         	    fi
         	    ;;
                 *)
-		    check_map_count
+		    check_mapcount
 		    return 0
         	    ;;
             esac
         else
             # text menu
 	    clear
-	    echo -e "\nThis script can change vm.max_map_count for you.\nChoose from the following options:\n"
+	    echo -e "\nThis helper can change vm.max_map_count for you.\nChoose from the following options:\n"
             options_mapcount=("$once" "$persist" "$manual" "$goback")
             PS3="Enter selection number: "
 
@@ -390,7 +403,7 @@ set_map_count() {
                 case "$choice" in
                     "$once")
                 	pkexec sh -c 'sysctl -w vm.max_map_count=16777216'
-			check_map_count
+			check_mapcount
                         break
                 	;;
                     "$persist")
@@ -399,7 +412,7 @@ set_map_count() {
                 	else
                             pkexec sh -c 'echo "vm.max_map_count = 16777216" >> /etc/sysctl.conf && sysctl -p'
                 	fi
-			check_map_count
+			check_mapcount
                         break
                 	;;
                     "$manual")
@@ -411,7 +424,7 @@ set_map_count() {
                         break
                 	;;
                     "$goback")
-			check_map_count
+			check_mapcount
                         break
                         ;;
                     *)
@@ -424,27 +437,100 @@ set_map_count() {
     fi
 }
 
+# Delete the shaders directory
+rm_shaders() {    
+    # Get/Set directory paths
+    getdirs
+    if [ "$?" -eq 1 ]; then
+	# User cancelled and wants to return to the main menu, or there was an error
+	return 0
+    fi
+
+    shaders_dir="$user_dir/Shaders"
+
+    # Sanity check
+    if [ ! -d "$shaders_dir" ]; then
+	message 2 "Shaders directory not found. There is nothing to delete!\n\n$shaders_dir"
+	return 0
+    fi
+
+    # Delete the shader directory
+    echo "Deleting shaders..."
+    rm -r "$shaders_dir"
+    echo -e "Done.\n"
+
+    message 1 "Your shaders have been deleted!"
+}
+
+# Delete DXVK cache
+rm_vidcache() {    
+    # Get/Set directory paths
+    getdirs
+    if [ "$?" -eq 1 ]; then
+	# User cancelled and wants to return to the main menu, or there was an error
+	return 0
+    fi
+    
+    dxvk_cache="$game_path/$live_or_ptu/StarCitizen-dxvk.cache"
+    
+    # Sanity check
+    if [ ! -f "$dxvk_cache" ]; then
+	message 2 "Unable to find the DXVK cache file. There is nothing to delete!\n\n$dxvk_cache"
+	return 0
+    fi
+
+    # Delete the cache file
+    echo "Deleting DXVK cache..."
+    rm "$dxvk_cache"
+    echo -e "Done.\n"
+
+    message 1 "Your DXVK cache has been deleted!"
+}
+
+# Toggle between targeting the LIVE and PTU game directories for all helper functions
+set_version() {
+    if [ "$live_or_ptu" == "LIVE" ]; then
+	live_or_ptu="PTU"
+	message 1 "The helper will now target your Star Citizen PTU installation."
+    elif [ "$live_or_ptu" == "PTU" ]; then
+	live_or_ptu="LIVE"
+	message 1 "The helper will now target your Star Citizen LIVE installation."
+    else
+	echo -e "\nUnexpected game version provided.  Defaulting to the LIVE installation."
+	live_or_ptu="LIVE"
+    fi
+}
+
 # Display the main menu
 main_menu() {
     # Set the menu options
-    check="Check vm.max_map_count for optimal performance"
-    clean="Delete my USER folder and preserve my keybinds"
-    quit="Quit"
+    mapcount_msg="Check vm.max_map_count for optimal performance"
+    sanitize_msg="Delete my USER folder and preserve my keybinds"
+    shaders_msg="Delete my shaders only"
+    vidcache_msg="Delete my DXVK cache"
+    version_msg="Switch the helper between LIVE and PTU (default is LIVE)"
+    quit_msg="Quit"
 
     # Use Zenity if it is available
     if [ "$has_zen" -eq 1 ]; then
-	options_main=("TRUE" "$check" "FALSE" "$clean" "FALSE" "$quit")
+	options_main=("TRUE" "$mapcount_msg" "FALSE" "$sanitize_msg" "FALSE" "$shaders_msg" "FALSE" "$vidcache_msg" "FALSE" "$version_msg")
 
 	choice="$(message 5 "${options_main[@]}")"
 	case "$choice" in
-	    "$check")
-		set_map_count
+	    "$mapcount_msg")
+		set_mapcount
 		;;
-	    "$clean")
+	    "$sanitize_msg")
 		sanitize
 		;;
-	    "$quit")
-		exit 0
+	    "$shaders_msg")
+		rm_shaders
+		;;
+	    "$vidcache_msg")
+		rm_vidcache
+		;;
+	    "$version_msg")
+		set_version
 		;;
 	    *)
 		exit 0
@@ -453,25 +539,40 @@ main_menu() {
     else
 	# Use a text menu if Zenity is not available
 	clear
-	echo -e "\nWelcome, fellow Penguin, to the Star Citizen Linux Users Group Helper Script!\n\nThis script is designed to help you optimize your system for Star Citizen.\nYou may choose from the following options:\n"
+	echo -e "\nWelcome, fellow Penguin, to the Star Citizen Linux Users Group Helper!\n\nThis helper is designed to help optimize your system for Star Citizen\nYou may choose from the following options:\n"
 
-	options_main=("$check" "$clean" "$quit")
+	options_main=("$mapcount_msg" "$sanitize_msg" "$shaders_msg" "$vidcache_msg" "$version_msg" "$quit_msg")
 	PS3="Enter selection number: "
 
 	select choice in "${options_main[@]}"
 	do
 	    case "$choice" in
-		"$check")
+		"$mapcount_msg")
 		    echo -e "\n"
-		    set_map_count
+		    set_mapcount
 		    break
 		    ;;
-		"$clean")
+		"$sanitize_msg")
 		    echo -e "\n"
 		    sanitize
 		    break
 		    ;;
-		"$quit")
+		"$shaders_msg")
+		    echo -e "\n"
+		    rm_shaders
+		    break
+		    ;;
+		"$vidcache_msg")
+		    echo -e "\n"
+		    rm_vidcache
+		    break
+		    ;;
+		"$version_msg")
+		    echo -e "\n"
+		    set_version
+		    break
+		    ;;
+		"$quit_msg")
 		    exit 0
 		    ;;
 		*)
@@ -493,6 +594,9 @@ if [ -x "$(command -v zenity)" ]; then
     has_zen=1
 fi
 
+# Default to LIVE
+live_or_ptu="LIVE"
+
 # Loop the main menu until the user selects quit
 while true; do
     main_menu