diff --git a/GainStation13/code/modules/client/preferences/preferences.dm b/GainStation13/code/modules/client/preferences/preferences.dm
index d6bfb03523..a7a5a9a95a 100644
--- a/GainStation13/code/modules/client/preferences/preferences.dm
+++ b/GainStation13/code/modules/client/preferences/preferences.dm
@@ -64,6 +64,12 @@
 	///What is the max weight that the person wishes to be? If set to FALSE, there will be no max weight
 	var/max_weight = FALSE
 
+	var/starting_weight = 0				//how thicc you wanna be at start
+	var/permanent_fat = 0				//If it isn't the consequences of your own actions
+	var/wg_rate = 0.5
+	var/wl_rate = 0.5
+	var/ckeyslot
+
 /// Prompts the user to choose a weight and returns said weight.
 /datum/preferences/proc/chose_weight(input_text = "Choose a weight.", mob/user)
 	var/chosen_weight = FALSE
@@ -74,7 +80,7 @@
 
 	switch(picked_weight_class)
 		if("Fat")
-			chosen_weight = FATNESS_LEVEL_FATTER 
+			chosen_weight = FATNESS_LEVEL_FATTER
 		if("Fatter")
 			chosen_weight = FATNESS_LEVEL_VERYFAT
 		if("Very Fat")
@@ -89,13 +95,12 @@
 			chosen_weight = FATNESS_LEVEL_IMMOBILE
 		if("Immobile")
 			chosen_weight = FATNESS_LEVEL_BLOB
-	
+
 	if(picked_weight_class != "Other")
 		return chosen_weight
-	
+
 	var/custom_fatness = input(user, "What fatness level (BFI) would you like to use?", "Character Preference")  as null|num
 	if(isnull(custom_fatness))
 		custom_fatness = FALSE
 
 	return custom_fatness
-	
\ No newline at end of file
diff --git a/code/__DEFINES/loadout.dm b/code/__DEFINES/loadout.dm
index e4e784c039..eb4aeb0a52 100644
--- a/code/__DEFINES/loadout.dm
+++ b/code/__DEFINES/loadout.dm
@@ -106,6 +106,7 @@
 #define GAME_PREFS_TAB			0
 #define OOC_PREFS_TAB			1
 #define CONTENT_PREFS_TAB		2
+#define GS13_PREFS_TAB			3
 
 //quirks
 #define QUIRK_POSITIVE	"Positive"
diff --git a/code/modules/client/preferences.dm b/code/modules/client/preferences.dm
index 48a681bc7b..3c6faac42e 100644
--- a/code/modules/client/preferences.dm
+++ b/code/modules/client/preferences.dm
@@ -1068,6 +1068,7 @@ GLOBAL_LIST_EMPTY(preferences_datums)
 			dat += "<a href='?_src_=prefs;preference=preferences_tab;tab=[GAME_PREFS_TAB]' [preferences_tab == GAME_PREFS_TAB ? "class='linkOn'" : ""]>General</a>"
 			dat += "<a href='?_src_=prefs;preference=preferences_tab;tab=[OOC_PREFS_TAB]' [preferences_tab == OOC_PREFS_TAB ? "class='linkOn'" : ""]>OOC</a>"
 			dat += "<a href='?_src_=prefs;preference=preferences_tab;tab=[CONTENT_PREFS_TAB]' [preferences_tab == CONTENT_PREFS_TAB ? "class='linkOn'" : ""]>Content</a>"
+			dat += "<a href='?_src_=prefs;preference=preferences_tab;tab=[GS13_PREFS_TAB]' [preferences_tab == GS13_PREFS_TAB ? "class='linkOn'" : ""]>GS13</a>"
 			dat += "</center>"
 
 			dat += "<HR>"
@@ -1305,6 +1306,7 @@ GLOBAL_LIST_EMPTY(preferences_datums)
 					dat += "<b>Ass Slapping:</b> <a href='?_src_=prefs;preference=ass_slap'>[(cit_toggles & NO_ASS_SLAP) ? "Disallowed" : "Allowed"]</a><br>"
 					dat += "<b>Automatic Wagging:</b> <a href='?_src_=prefs;preference=auto_wag'>[(cit_toggles & NO_AUTO_WAG) ? "Disabled" : "Enabled"]</a><br>"
 					dat += "</tr></table>"
+		if(GS13_PREFS_TAB)
 
 		if(KEYBINDINGS_TAB) // Custom keybindings
 			dat += "<b>Keybindings:</b> <a href='?_src_=prefs;preference=hotkeys'>[(hotkeys) ? "Hotkeys" : "Input"]</a><br>"
diff --git a/code/modules/client/preferences_savefile.dm b/code/modules/client/preferences_savefile.dm
index 8e21730525..db2f1a331e 100644
--- a/code/modules/client/preferences_savefile.dm
+++ b/code/modules/client/preferences_savefile.dm
@@ -916,6 +916,38 @@ SAVEFILE UPDATING/VERSIONING - 'Simplified', or rather, more coder-friendly ~Car
 		if(json_from_file)
 			belly_prefs = json_from_file["belly_prefs"]
 
+	//GS13 code preferences
+	S["weight_gain_food"] >> weight_gain_food
+	S["weight_gain_chems"] >> weight_gain_chems
+	S["weight_gain_items"] >> weight_gain_items
+	S["weight_gain_magic"] >> weight_gain_magic
+	S["weight_gain_viruses"] >> weight_gain_viruses
+	S["weight_gain_nanites"] >> weight_gain_nanites
+	S["weight_gain_weapons"] >> weight_gain_weapons
+	S["weight_gain_extreme"] >> weight_gain_extreme
+	S["weight_gain_persistent"] >> weight_gain_persistent
+	S["weight_gain_permanent"] >> weight_gain_permanent
+	S["wg_rate"] >> wg_rate
+	S["wl_rate"] >> wl_rate
+	S["noncon_weight_gain"] >> noncon_weight_gain
+	S["bot_feeding"] >> bot_feeding
+	S["max_weight"] >> max_weight
+	S["helplessness_no_movement"] >> helplessness_no_movement
+	S["helplessness_clumsy"] >> helplessness_clumsy
+	S["helplessness_nearsighted"] >> helplessness_nearsighted
+	S["helplessness_hidden_face"] >> helplessness_hidden_face
+	S["helplessness_mute"] >> helplessness_mute
+	S["helplessness_immobile_arms"] >> helplessness_immobile_arms
+	S["helplessness_clothing_jumpsuit"] >> helplessness_clothing_jumpsuit
+	S["helplessness_clothing_misc"] >> helplessness_clothing_misc
+	S["helplessness_clothing_back"] >> helplessness_clothing_back
+	S["helplessness_no_buckle"] >> helplessness_no_buckle
+	S["stuckage"] >> stuckage
+	S["chair_breakage"] >> chair_breakage
+	S["fatness_vulnerable"] >> fatness_vulnerable
+	S["extreme_fatness_vulnerable"] >> extreme_fatness_vulnerable
+	S["blueberry_inflation"] >> blueberry_inflation
+
 	//gear loadout
 	if(S["loadout"])
 		loadout_data = safe_json_decode(S["loadout"])
@@ -1224,6 +1256,38 @@ SAVEFILE UPDATING/VERSIONING - 'Simplified', or rather, more coder-friendly ~Car
 	WRITE_FILE(S["feature_hide_belly"], features["hide_belly"])
 	WRITE_FILE(S["feature_inflatable_belly"], features["inflatable_belly"])
 
+	//GS13 PREFS
+	WRITE_FILE(S["weight_gain_food"], weight_gain_food)
+	WRITE_FILE(S["weight_gain_items"], weight_gain_items)
+	WRITE_FILE(S["weight_gain_magic"], weight_gain_magic)
+	WRITE_FILE(S["weight_gain_viruses"], weight_gain_viruses)
+	WRITE_FILE(S["weight_gain_nanites"], weight_gain_nanites)
+	WRITE_FILE(S["weight_gain_chems"], weight_gain_chems)
+	WRITE_FILE(S["weight_gain_weapons"], weight_gain_weapons)
+	WRITE_FILE(S["weight_gain_extreme"], weight_gain_extreme)
+	WRITE_FILE(S["weight_gain_persistent"], weight_gain_persistent)
+	WRITE_FILE(S["weight_gain_permanent"], weight_gain_permanent)
+	WRITE_FILE(S["wg_rate"], wg_rate)
+	WRITE_FILE(S["wl_rate"], wl_rate)
+	WRITE_FILE(S["noncon_weight_gain"], noncon_weight_gain)
+	WRITE_FILE(S["bot_feeding"], bot_feeding)
+	WRITE_FILE(S["max_weight"], max_weight)
+	WRITE_FILE(S["helplessness_no_movement"], helplessness_no_movement)
+	WRITE_FILE(S["helplessness_clumsy"], helplessness_clumsy)
+	WRITE_FILE(S["helplessness_nearsighted"], helplessness_nearsighted)
+	WRITE_FILE(S["helplessness_hidden_face"], helplessness_hidden_face)
+	WRITE_FILE(S["helplessness_mute"], helplessness_mute)
+	WRITE_FILE(S["helplessness_immobile_arms"], helplessness_immobile_arms)
+	WRITE_FILE(S["helplessness_clothing_jumpsuit"], helplessness_clothing_jumpsuit)
+	WRITE_FILE(S["helplessness_clothing_misc"], helplessness_clothing_misc)
+	WRITE_FILE(S["helplessness_clothing_back"], helplessness_clothing_back)
+	WRITE_FILE(S["helplessness_no_buckle"], helplessness_no_buckle)
+	WRITE_FILE(S["stuckage"], stuckage)
+	WRITE_FILE(S["chair_breakage"], chair_breakage)
+	WRITE_FILE(S["fatness_vulnerable"], fatness_vulnerable)
+	WRITE_FILE(S["extreme_fatness_vulnerable"], extreme_fatness_vulnerable)
+	WRITE_FILE(S["blueberry_inflation"], blueberry_inflation)
+
 	WRITE_FILE(S["feature_ooc_notes"], features["ooc_notes"])
 
 	WRITE_FILE(S["feature_color_scheme"], features["color_scheme"])