diff --git a/lang/english.txt b/lang/english.txt
index 47958459..65936548 100644
--- a/lang/english.txt
+++ b/lang/english.txt
@@ -1126,4 +1126,6 @@ DESC_GSHDRITM="Enable SDR to HDE inverse tone mapping - Only works for SDR input
 GUI_GSHDRITMSDRNITS="HDR Inverse Tone Mapping SDR nits"
 DESC_GSHDRITMSDRNITS="set the luminance of SDR content in nets used as the input for the inverse tone mapping process - Maximum is 1000 nits"
 GUI_GSHDRITMTGTNITS="HDR Inverse Tone Mapping Target Nits"
-DESC_GSHDRITMTGTNITS="set the target luninance of the inverse tone mapping process - Max is 10000 nits"
\ No newline at end of file
+DESC_GSHDRITMTGTNITS="set the target luninance of the inverse tone mapping process - Max is 10000 nits"
+GUI_GSRT="Use Realtime Scheduling"
+DESC_GSRT="enable GameScope realtime scheduling"
diff --git a/steamtinkerlaunch b/steamtinkerlaunch
index 08933f1a..45cd9f99 100755
--- a/steamtinkerlaunch
+++ b/steamtinkerlaunch
@@ -6,7 +6,7 @@
 PREFIX="/usr"
 PROGNAME="SteamTinkerLaunch"
 NICEPROGNAME="Steam Tinker Launch"
-PROGVERS="v12.12.20230215-17 (gamescope-the-adventure-continues)"
+PROGVERS="v12.12.20230216-1 (gamescope-the-adventure-continues)"
 PROGCMD="${0##*/}"
 SHOSTL="stl"
 GHURL="https://github.com"
@@ -9868,6 +9868,9 @@ function setGameScopeVars {
 
 		# Expose Wayland (--expose-wayland) -- Checkbox
 		GSWAYLAND="$( getGameScopeArg "$GAMESCOPE_ARGS" "--expose-wayland" "$GSWAYLAND" "1" "0" )"
+
+		# Realtime Scheduling (--rt) -- Checkbox
+		GSRT="$( getGameScopeArg "$GAMESCOPE_ARGS" "--rt" "$GSRT" "1" "0" )"
 	}
 
 	# Set storage vars
@@ -9973,6 +9976,7 @@ function GameScopeGui {
 			--field="$GUI_GSFORCEHDROUTPUT!$DESC_GSFORCEHDROUTPUT ('GSFORCEHDROUTPUT')":CHK "$GSFORCEHDROUTPUT" \
 			--field="$GUI_GSPREFERVKDEVICE!$DESC_GSPREFERVKDEVICE ('GSPREFERVKDEVICE')":CHK "$GSPREFERVKDEVICE" \
 			--field="$GUI_GSWAYLAND!$DESC_GSWAYLAND ('GSWAYLAND')":CHK "$GSWAYLAND" \
+			--field="$GUI_GSRT!$DESC_GSRT ('GSRT')":CHK "$GSRT" \
 			--button="$BUT_CAN:0" --button="$BUT_DONE:2" "$GEOM"
 			)"
 			case $? in
@@ -10038,6 +10042,7 @@ function GameScopeGui {
 						GSFORCEHDROUTPUT="${GSARR[52]}"
 						GSPREFERVKDEVICE="${GSARR[53]}"
 						GSWAYLAND="${GSARR[54]}"
+						GSRT="${GSARR[55]}"
 
 						# Build the GameScope arguments string
 						unset GAMESCOPE_ARGS
@@ -10053,7 +10058,6 @@ function GameScopeGui {
 						GSSHWH1="${GSSHWRES#*x}"
 						GSSHWH="${GSSHWH1%%-*}"
 
-
 						### GENERAL OPTIONS ###
 						GAMESCOPE_ARGS="${GAMESCOPE_ARGS} -W ${GSSHWW} -H ${GSSHWH}"
 						if [ "$GSFLR" -eq "$GSFLR" ] 2>/dev/null; then
@@ -10264,6 +10268,10 @@ function GameScopeGui {
 						if [ "$GSWAYLAND" == "TRUE" ]; then
 							GAMESCOPE_ARGS="${GAMESCOPE_ARGS} --expose-wayland"
 						fi
+
+						if [ "$GSRT" == "TRUE" ]; then
+							GAMESCOPE_ARGS="${GAMESCOPE_ARGS} --rt"
+						fi
 						### ADVANCED OPTIONS END ###
 
 						GAMESCOPE_ARGS="${GAMESCOPE_ARGS} --"