diff --git a/code/modules/client/preference_setup/global/01_ui.dm b/code/modules/client/preference_setup/global/01_ui.dm
index 6bdcdccf5c..68c569c04e 100644
--- a/code/modules/client/preference_setup/global/01_ui.dm
+++ b/code/modules/client/preference_setup/global/01_ui.dm
@@ -3,28 +3,30 @@
 	sort_order = 1
 
 /datum/category_item/player_setup_item/player_global/ui/load_preferences(var/savefile/S)
-	S["UI_style"]		>> pref.UI_style
-	S["UI_style_color"]	>> pref.UI_style_color
-	S["UI_style_alpha"]	>> pref.UI_style_alpha
-	S["ooccolor"]		>> pref.ooccolor
-	S["tooltipstyle"]	>> pref.tooltipstyle
-	S["client_fps"]		>> pref.client_fps
-	S["ambience_freq"]	>> pref.ambience_freq
-	S["ambience_chance"] >> pref.ambience_chance
-	S["tgui_fancy"]		>> pref.tgui_fancy
-	S["tgui_lock"]		>> pref.tgui_lock
+	S["UI_style"]			>> pref.UI_style
+	S["UI_style_color"]		>> pref.UI_style_color
+	S["UI_style_alpha"]		>> pref.UI_style_alpha
+	S["ooccolor"]			>> pref.ooccolor
+	S["tooltipstyle"]		>> pref.tooltipstyle
+	S["client_fps"]			>> pref.client_fps
+	S["ambience_freq"]		>> pref.ambience_freq
+	S["ambience_chance"] 	>> pref.ambience_chance
+	S["tgui_fancy"]			>> pref.tgui_fancy
+	S["tgui_lock"]			>> pref.tgui_lock
+	S["tgui_input_mode"]	>> pref.tgui_input_mode
 
 /datum/category_item/player_setup_item/player_global/ui/save_preferences(var/savefile/S)
-	S["UI_style"]		<< pref.UI_style
-	S["UI_style_color"]	<< pref.UI_style_color
-	S["UI_style_alpha"]	<< pref.UI_style_alpha
-	S["ooccolor"]		<< pref.ooccolor
-	S["tooltipstyle"]	<< pref.tooltipstyle
-	S["client_fps"]		<< pref.client_fps
-	S["ambience_freq"]	<< pref.ambience_freq
-	S["ambience_chance"] << pref.ambience_chance
-	S["tgui_fancy"]		<< pref.tgui_fancy
-	S["tgui_lock"]		<< pref.tgui_lock
+	S["UI_style"]			<< pref.UI_style
+	S["UI_style_color"]		<< pref.UI_style_color
+	S["UI_style_alpha"]		<< pref.UI_style_alpha
+	S["ooccolor"]			<< pref.ooccolor
+	S["tooltipstyle"]		<< pref.tooltipstyle
+	S["client_fps"]			<< pref.client_fps
+	S["ambience_freq"]		<< pref.ambience_freq
+	S["ambience_chance"] 	<< pref.ambience_chance
+	S["tgui_fancy"]			<< pref.tgui_fancy
+	S["tgui_lock"]			<< pref.tgui_lock
+	S["tgui_input_mode"]	<< pref.tgui_input_mode
 
 /datum/category_item/player_setup_item/player_global/ui/sanitize_preferences()
 	pref.UI_style			= sanitize_inlist(pref.UI_style, all_ui_styles, initial(pref.UI_style))
@@ -35,8 +37,9 @@
 	pref.client_fps			= sanitize_integer(pref.client_fps, 0, MAX_CLIENT_FPS, initial(pref.client_fps))
 	pref.ambience_freq		= sanitize_integer(pref.ambience_freq, 0, 60, initial(pref.ambience_freq)) // No more than once per hour.
 	pref.ambience_chance 	= sanitize_integer(pref.ambience_chance, 0, 100, initial(pref.ambience_chance)) // 0-100 range.
-	pref.tgui_fancy		= sanitize_integer(pref.tgui_fancy, 0, 1, initial(pref.tgui_fancy))
-	pref.tgui_lock		= sanitize_integer(pref.tgui_lock, 0, 1, initial(pref.tgui_lock))
+	pref.tgui_fancy			= sanitize_integer(pref.tgui_fancy, 0, 1, initial(pref.tgui_fancy))
+	pref.tgui_lock			= sanitize_integer(pref.tgui_lock, 0, 1, initial(pref.tgui_lock))
+	pref.tgui_input_mode	= sanitize_integer(pref.tgui_input_mode, 0, 1, initial(pref.tgui_input_mode))
 
 /datum/category_item/player_setup_item/player_global/ui/content(var/mob/user)
 	. = "<b>UI Style:</b> <a href='?src=\ref[src];select_style=1'><b>[pref.UI_style]</b></a><br>"
@@ -49,6 +52,7 @@
 	. += "<b>Ambience Chance:</b> <a href='?src=\ref[src];select_ambience_chance=1'><b>[pref.ambience_chance]</b></a><br>"
 	. += "<b>tgui Window Mode:</b> <a href='?src=\ref[src];tgui_fancy=1'><b>[(pref.tgui_fancy) ? "Fancy (default)" : "Compatible (slower)"]</b></a><br>"
 	. += "<b>tgui Window Placement:</b> <a href='?src=\ref[src];tgui_lock=1'><b>[(pref.tgui_lock) ? "Primary Monitor" : "Free (default)"]</b></a><br>"
+	. += "<b>Input Mode (Say, Me, Whisper, Subtle):</b> <a href='?src=\ref[src];tgui_input_mode=1'><b>[(pref.tgui_input_mode) ? "TGUI" : "BYOND (default)"]</b></a><br>"
 	if(can_select_ooc_color(user))
 		. += "<b>OOC Color:</b>"
 		if(pref.ooccolor == initial(pref.ooccolor))
@@ -118,6 +122,10 @@
 		pref.tgui_lock = !pref.tgui_lock
 		return TOPIC_REFRESH
 
+	else if(href_list["tgui_input_mode"])
+		pref.tgui_input_mode = !pref.tgui_input_mode
+		return TOPIC_REFRESH
+
 	else if(href_list["reset"])
 		switch(href_list["reset"])
 			if("ui")
diff --git a/code/modules/client/preferences.dm b/code/modules/client/preferences.dm
index e4b7c74dcf..d95a3350fa 100644
--- a/code/modules/client/preferences.dm
+++ b/code/modules/client/preferences.dm
@@ -28,6 +28,7 @@ var/list/preferences_datums = list()
 
 	var/tgui_fancy = TRUE
 	var/tgui_lock = FALSE
+	var/tgui_input_mode = FALSE			// Say, Me, Whisper, Subtle Input Mode; Disabled by default; FALSE = BYOND, TRUE = TGUI
 
 	//character preferences
 	var/real_name						//our character's name
diff --git a/code/modules/mob/typing_indicator.dm b/code/modules/mob/typing_indicator.dm
index 35fe2d8bbb..7ab6de6fe5 100644
--- a/code/modules/mob/typing_indicator.dm
+++ b/code/modules/mob/typing_indicator.dm
@@ -40,7 +40,11 @@
 	set hidden = 1
 
 	set_typing_indicator(TRUE)
-	var/message = tgui_input_text(usr, "Type your message:", "Say")
+	var/message
+	if(usr.client.prefs.tgui_input_mode)
+		message = tgui_input_text(usr, "Type your message:", "Say")
+	else
+		message = input(usr, "Type your message:", "Say") as text
 	set_typing_indicator(FALSE)
 
 	if(message)
@@ -51,7 +55,11 @@
 	set hidden = 1
 
 	set_typing_indicator(TRUE)
-	var/message = tgui_input_message(usr, "Type your message:", "Emote")
+	var/message
+	if(usr.client.prefs.tgui_input_mode)
+		message = tgui_input_message(usr, "Type your message:", "Emote")
+	else
+		message = input(usr, "Type your message:", "Emote") as message
 	set_typing_indicator(FALSE)
 
 	if(message)
@@ -62,7 +70,12 @@
 	set name = ".Whisper"
 	set hidden = 1
 
-	var/message = tgui_input_text(usr, "Type your message:", "Whisper")
+	var/message
+	if(usr.client.prefs.tgui_input_mode)
+		message = tgui_input_text(usr, "Type your message:", "Whisper")
+	else
+		message = input(usr, "Type your message:", "Whisper") as text
+
 	if(message)
 		whisper(message)
 
@@ -70,6 +83,11 @@
 	set name = ".Subtle"
 	set hidden = 1
 
-	var/message = tgui_input_message(usr, "Type your message:", "Subtle")
+	var/message
+	if(usr.client.prefs.tgui_input_mode)
+		message = tgui_input_message(usr, "Type your message:", "Subtle")
+	else
+		message = input(usr, "Type your message:", "Subtle") as message
+
 	if(message)
 		me_verb_subtle(message)