diff --git a/src/Drawer2D.h b/src/Drawer2D.h
index e951cf8be..20bda33fb 100644
--- a/src/Drawer2D.h
+++ b/src/Drawer2D.h
@@ -16,7 +16,7 @@ extern struct IGameComponent Drawer2D_Component;
 void DrawTextArgs_Make(struct DrawTextArgs* args, STRING_REF const String* text, struct FontDesc* font, cc_bool useShadow);
 void DrawTextArgs_MakeEmpty(struct DrawTextArgs* args, struct FontDesc* font, cc_bool useShadow);
 /* Initialises the given font. When Drawer2D_BitmappedText is false, creates native font handle using Font_Make. */
-CC_NOINLINE void Drawer2D_MakeFont(struct FontDesc* desc, int size, int style);
+CC_API void Drawer2D_MakeFont(struct FontDesc* desc, int size, int style);
 
 /* Whether text should be drawn and measured using the currently set font bitmap. */ 
 /* If false, then text is instead draw using platform/system fonts. */
@@ -93,7 +93,7 @@ void Drawer2D_ReducePadding_Height(int* height, int point, int scale);
 cc_bool Drawer2D_SetFontBitmap(Bitmap* bmp);
 
 /* Gets the list of all supported system font names on this platform. */
-void Font_GetNames(struct StringsBuffer* buffer);
+CC_API void Font_GetNames(struct StringsBuffer* buffer);
 /* Reduces padding for a bitmapped font. */
 void Font_ReducePadding(struct FontDesc* desc, int scale);
 /* Finds the path and face number of the given system font, with closest matching style */
diff --git a/src/Gui.c b/src/Gui.c
index 500125035..3896f8d51 100644
--- a/src/Gui.c
+++ b/src/Gui.c
@@ -191,17 +191,12 @@ CC_NOINLINE static void Gui_OnScreensChanged(void) {
 	InputHandler_OnScreensChanged();
 }
 
-void Gui_Add(struct Screen* s, int priority) {
-	Gui_AddCore(s, priority);
-	Gui_OnScreensChanged();
-}
-
 void Gui_Remove(struct Screen* s) {
 	Gui_RemoveCore(s);
 	Gui_OnScreensChanged();
 }
 
-void Gui_Replace(struct Screen* s, int priority) {
+void Gui_Add(struct Screen* s, int priority) {
 	int i;
 	Gui_RemoveCore(s);
 	/* Backwards loop since removing changes count and gui_screens */
diff --git a/src/Gui.h b/src/Gui.h
index c539e4fa2..119e6f70b 100644
--- a/src/Gui.h
+++ b/src/Gui.h
@@ -130,6 +130,7 @@ int Widget_Contains(void* widget, int x, int y);
 extern GfxResourceID Gui_GuiTex, Gui_GuiClassicTex, Gui_IconsTex;
 
 /* Higher priority handles input first and draws on top */
+/* NOTE: Values are 5 apart to allow plugins to insert custom screens */
 enum GuiPriority {
 	GUI_PRIORITY_DISCONNECT = 60,
 	GUI_PRIORITY_OLDLOADING = 55,
@@ -164,13 +165,11 @@ int Gui_ContainsPointers(int x, int y, int width, int height);
 /* Shows HUD and Status screens. */
 void Gui_ShowDefault(void);
 
-/* Inserts a screen into the screen lists with the given priority. */
-/* NOTE: You MUST ensure a screen isn't added twice. Or use Gui_Replace. */
-CC_API void Gui_Add(struct Screen* screen, int priority);
 /* Removes the screen from the screens list. */
 CC_API void Gui_Remove(struct Screen* screen);
-/* Shorthand for Gui_Remove then Gui_Add. */
-CC_API void Gui_Replace(struct Screen* screen, int priority);
+/* Inserts a screen into the screen lists with the given priority. */
+/* NOTE: If there is an existing screen with the same priority, it is removed. */
+CC_API void Gui_Add(struct Screen* screen, int priority);
 
 /* Returns highest priority screen that has grabbed input. */
 struct Screen* Gui_GetInputGrab(void);
diff --git a/src/Menus.c b/src/Menus.c
index 6dbd0e0d8..a8119d502 100644
--- a/src/Menus.c
+++ b/src/Menus.c
@@ -444,7 +444,7 @@ void ListScreen_Show(void) {
 	s->grabsInput = true;
 	s->closable   = true;
 	s->VTABLE     = &ListScreen_VTABLE;
-	Gui_Replace((struct Screen*)s, GUI_PRIORITY_MENU);
+	Gui_Add((struct Screen*)s, GUI_PRIORITY_MENU);
 }
 
 
@@ -563,7 +563,7 @@ void PauseScreen_Show(void) {
 	s->grabsInput = true;
 	s->closable   = true;
 	s->VTABLE     = &PauseScreen_VTABLE;
-	Gui_Replace((struct Screen*)s, GUI_PRIORITY_MENU);
+	Gui_Add((struct Screen*)s, GUI_PRIORITY_MENU);
 }
 
 
@@ -681,7 +681,7 @@ void OptionsGroupScreen_Show(void) {
 	s->grabsInput = true;
 	s->closable   = true;
 	s->VTABLE     = &OptionsGroupScreen_VTABLE;
-	Gui_Replace((struct Screen*)s, GUI_PRIORITY_MENU);
+	Gui_Add((struct Screen*)s, GUI_PRIORITY_MENU);
 }
 
 
@@ -930,7 +930,7 @@ void EditHotkeyScreen_Show(struct HotkeyData original) {
 	s->VTABLE     = &EditHotkeyScreen_VTABLE;
 	s->origHotkey = original;
 	s->curHotkey  = original;
-	Gui_Replace((struct Screen*)s, GUI_PRIORITY_MENU);
+	Gui_Add((struct Screen*)s, GUI_PRIORITY_MENU);
 }
 
 
@@ -1123,7 +1123,7 @@ void GenLevelScreen_Show(void) {
 	s->grabsInput = true;
 	s->closable   = true;
 	s->VTABLE     = &GenLevelScreen_VTABLE;
-	Gui_Replace((struct Screen*)s, GUI_PRIORITY_MENU);
+	Gui_Add((struct Screen*)s, GUI_PRIORITY_MENU);
 }
 
 
@@ -1196,7 +1196,7 @@ void ClassicGenScreen_Show(void) {
 	s->grabsInput = true;
 	s->closable   = true;
 	s->VTABLE     = &ClassicGenScreen_VTABLE;
-	Gui_Replace((struct Screen*)s, GUI_PRIORITY_MENU);
+	Gui_Add((struct Screen*)s, GUI_PRIORITY_MENU);
 }
 
 
@@ -1484,7 +1484,7 @@ void SaveLevelScreen_Show(void) {
 	s->grabsInput = true;
 	s->closable   = true;
 	s->VTABLE = &SaveLevelScreen_VTABLE;
-	Gui_Replace((struct Screen*)s, GUI_PRIORITY_MENU);
+	Gui_Add((struct Screen*)s, GUI_PRIORITY_MENU);
 }
 
 
@@ -1840,7 +1840,7 @@ static void KeyBindingsScreen_Show(int bindsCount, const cc_uint8* binds, const
 	s->binds      = binds;
 	s->descs      = descs;
 	s->DoInit     = doInit;
-	Gui_Replace((struct Screen*)s, GUI_PRIORITY_MENU);
+	Gui_Add((struct Screen*)s, GUI_PRIORITY_MENU);
 }
 
 
@@ -2299,7 +2299,7 @@ void MenuOptionsScreen_Show(struct MenuInputDesc* descs, const char** descriptio
 	s->DoInit          = init;
 	s->DoRecreateExtra = NULL;
 	s->OnHacksChanged  = NULL;
-	Gui_Replace((struct Screen*)s, GUI_PRIORITY_MENU);
+	Gui_Add((struct Screen*)s, GUI_PRIORITY_MENU);
 }
 
 
@@ -3172,7 +3172,7 @@ void TexIdsOverlay_Show(void) {
 	s->grabsInput = true;
 	s->closable   = true;
 	s->VTABLE     = &TexIdsOverlay_VTABLE;
-	Gui_Replace((struct Screen*)s, GUI_PRIORITY_TEXIDS);
+	Gui_Add((struct Screen*)s, GUI_PRIORITY_TEXIDS);
 }
 
 
@@ -3252,7 +3252,7 @@ void UrlWarningOverlay_Show(const String* url) {
 
 	String_InitArray(s->url, s->_urlBuffer);
 	String_Copy(&s->url, url);
-	Gui_Replace((struct Screen*)s, GUI_PRIORITY_URLWARNING);
+	Gui_Add((struct Screen*)s, GUI_PRIORITY_URLWARNING);
 }
 
 
@@ -3421,7 +3421,7 @@ void TexPackOverlay_Show(const String* url) {
 	s->url = String_UNSAFE_SubstringAt(&s->identifier, 3);
 
 	Http_AsyncGetHeaders(url, true, &s->identifier);
-	Gui_Replace((struct Screen*)s, GUI_PRIORITY_TEXPACK);
+	Gui_Add((struct Screen*)s, GUI_PRIORITY_TEXPACK);
 }
 
 
@@ -3509,6 +3509,6 @@ void TouchMoreScreen_Show(void) {
 	s->closable   = true;
 	s->VTABLE     = &TouchMoreScreen_VTABLE;
 
-	Gui_Replace((struct Screen*)s, GUI_PRIORITY_TOUCHMORE);
+	Gui_Add((struct Screen*)s, GUI_PRIORITY_TOUCHMORE);
 }
 #endif
diff --git a/src/Screens.c b/src/Screens.c
index 4a616ed84..c8f0604a3 100644
--- a/src/Screens.c
+++ b/src/Screens.c
@@ -348,7 +348,7 @@ void HUDScreen_Show(void) {
 	struct HUDScreen* s = &HUDScreen_Instance;
 	s->VTABLE = &HUDScreen_VTABLE;
 	Gui_HUD   = s;
-	Gui_Replace((struct Screen*)s, GUI_PRIORITY_HUD);
+	Gui_Add((struct Screen*)s, GUI_PRIORITY_HUD);
 }
 
 struct Widget* HUDScreen_GetHotbar(void) {
@@ -1350,7 +1350,7 @@ void ChatScreen_Show(void) {
 
 	s->VTABLE = &ChatScreen_VTABLE;
 	Gui_Chat  = s;
-	Gui_Replace((struct Screen*)s, GUI_PRIORITY_CHAT);
+	Gui_Add((struct Screen*)s, GUI_PRIORITY_CHAT);
 }
 
 void ChatScreen_OpenInput(const String* text) {
@@ -1526,7 +1526,7 @@ void InventoryScreen_Show(void) {
 	s->closable   = true;
 
 	s->VTABLE = &InventoryScreen_VTABLE;
-	Gui_Replace((struct Screen*)s, GUI_PRIORITY_INVENTORY);
+	Gui_Add((struct Screen*)s, GUI_PRIORITY_INVENTORY);
 }
 
 
@@ -1677,7 +1677,7 @@ CC_NOINLINE static void LoadingScreen_ShowCommon(const String* title, const Stri
 	
 	s->grabsInput  = true;
 	s->blocksWorld = true;
-	Gui_Replace((struct Screen*)s, 
+	Gui_Add((struct Screen*)s, 
 		Game_ClassicMode ? GUI_PRIORITY_OLDLOADING : GUI_PRIORITY_LOADING);
 }
 
@@ -1924,7 +1924,7 @@ void DisconnectScreen_Show(const String* title, const String* message) {
 
 	/* Get rid of all other menus instead of just hiding to reduce GPU usage */
 	while (Gui_ScreensCount) Gui_Remove(Gui_Screens[0]);
-	Gui_Replace((struct Screen*)s, GUI_PRIORITY_DISCONNECT);
+	Gui_Add((struct Screen*)s, GUI_PRIORITY_DISCONNECT);
 }
 
 
@@ -2085,6 +2085,6 @@ void TouchScreen_Show(void) {
 	s->VTABLE = &TouchScreen_VTABLE;
 
 	if (!Input_TouchMode) return;
-	Gui_Replace((struct Screen*)s, GUI_PRIORITY_TOUCH);
+	Gui_Add((struct Screen*)s, GUI_PRIORITY_TOUCH);
 }
 #endif