Index: binaries/data/config/default.cfg
===================================================================
--- binaries/data/config/default.cfg
+++ binaries/data/config/default.cfg
@@ -151,6 +151,7 @@
 silhouettes = "Alt+Shift+S"              ; Toggle unit silhouettes
 showsky = "Alt+Z"                        ; Toggle sky
 summary = "Ctrl+Tab"                     ; Toggle in-game summary
+options = "Alt+O"                        ; Toggle options window
 
 ; > CLIPBOARD CONTROLS
 copy = "Ctrl+C"                       ; Copy to clipboard
Index: binaries/data/mods/public/gui/gamesetup/gamesetup.js
===================================================================
--- binaries/data/mods/public/gui/gamesetup/gamesetup.js
+++ binaries/data/mods/public/gui/gamesetup/gamesetup.js
@@ -1074,7 +1074,7 @@
 
 	resizeMoreOptionsWindow();
 
-	initSPTips();
+	initConfigurables();
 
 	loadPersistMatchSettings();
 	updateGameAttributes();
@@ -1091,6 +1091,11 @@
 		hideLoadingWindow();
 }
 
+function initConfigurables()
+{
+	initSPTips();
+}
+
 function hideLoadingWindow()
 {
 	let loadingWindow = Engine.GetGUIObjectByName("loadingWindow");
Index: binaries/data/mods/public/gui/gamesetup/gamesetup.xml
===================================================================
--- binaries/data/mods/public/gui/gamesetup/gamesetup.xml
+++ binaries/data/mods/public/gui/gamesetup/gamesetup.xml
@@ -5,6 +5,15 @@
 	<script directory="gui/common/"/>
 	<script directory="gui/gamesetup/"/>
 
+	<object hotkey="options">
+		<action on="Press">
+			Engine.PushGuiPage("page_options.xml", {
+				"selectedCategory": "Game Setup",
+				"callback": "initConfigurables"
+			});
+		</action>
+	</object>
+
 	<!-- Add a translucent black background to fade out the menu page -->
 	<object type="image" style="ModernWindow" size="0 0 100% 100%">
 
Index: binaries/data/mods/public/gui/lobby/lobby.js
===================================================================
--- binaries/data/mods/public/gui/lobby/lobby.js
+++ binaries/data/mods/public/gui/lobby/lobby.js
@@ -393,7 +393,7 @@
 	Engine.LobbyClearPresenceUpdates();
 	updatePlayerList();
 	updateSubject(Engine.LobbyGetRoomSubject());
-	updateLobbyColumns();
+	initConfigurables();
 
 	updateToggleBuddy();
 	Engine.GetGUIObjectByName("chatInput").tooltip = colorizeAutocompleteHotkey();
@@ -403,6 +403,11 @@
 		g_NetMessageTypes[msg.type][msg.level](msg);
 }
 
+function initConfigurables()
+{
+	updateLobbyColumns();
+}
+
 function updateLobbyColumns()
 {
 	let gameRating = Engine.ConfigDB_GetValue("user", "lobby.columns.gamerating") == "true";
Index: binaries/data/mods/public/gui/lobby/lobby.xml
===================================================================
--- binaries/data/mods/public/gui/lobby/lobby.xml
+++ binaries/data/mods/public/gui/lobby/lobby.xml
@@ -5,6 +5,15 @@
 	<script directory="gui/common/"/>
 	<script directory="gui/lobby/"/>
 
+	<object hotkey="options">
+		<action on="Press">
+			Engine.PushGuiPage("page_options.xml", {
+				"selectedCategory": "Lobby",
+				"callback": "initConfigurables"
+			});
+		</action>
+	</object>
+
 	<object type="image" style="ModernWindow" size="0 0 100% 100%" name="lobbyWindow">
 
 		<object style="ModernLabelText" type="text" size="50%-128 0%+4 50%+128 36">
Index: binaries/data/mods/public/gui/manual/intro.txt
===================================================================
--- binaries/data/mods/public/gui/manual/intro.txt
+++ binaries/data/mods/public/gui/manual/intro.txt
@@ -51,6 +51,7 @@
 Shift + F2: Take huge screenshot (6400px*4800px, in .bmp format, location is displayed in the top left of the GUI after the file has been saved, and can also be seen in the console/logs if you miss it there)
 Alt + S: Switch to the next tab.
 Alt + W: Switch to the previous tab.
+Alt + O: Toggle options window.
 
 [font="sans-bold-14"]In Game
 [font="sans-14"]Double Left Click \[on unit]: Select all of your units of the same kind on the screen (even if they're different ranks)
Index: binaries/data/mods/public/gui/options/options.js
===================================================================
--- binaries/data/mods/public/gui/options/options.js
+++ binaries/data/mods/public/gui/options/options.js
@@ -137,9 +137,12 @@
 function init(data, hotloadData)
 {
 	g_HasCallback = hotloadData && hotloadData.callback || data && data.callback;
-	g_TabCategorySelected = hotloadData ? hotloadData.tabCategorySelected : 0;
+	g_TabCategorySelected = hotloadData ? hotloadData.tabCategorySelected : data && data.selectedCategory ? data.selectedCategory : 0;
 
 	g_Options = Engine.ReadJSONFile("gui/options/options.json");
+	if (data && data.selectedCategory)
+		g_Options.find((opt, index) => opt.label == data.selectedCategory && (g_TabCategorySelected = index))
+
 	translateObjectKeys(g_Options, ["label", "tooltip"]);
 	deepfreeze(g_Options);
 
Index: binaries/data/mods/public/gui/options/options.xml
===================================================================
--- binaries/data/mods/public/gui/options/options.xml
+++ binaries/data/mods/public/gui/options/options.xml
@@ -5,6 +5,12 @@
 	<script directory="gui/common/"/>
 	<script directory="gui/options/"/>
 
+	<object hotkey="options">
+		<action on="Press">
+			closePage();
+		</action>
+	</object>
+
 	<!-- Add a translucent black background to fade out the menu page -->
 	<object type="image" sprite="ModernFade"/>
 
Index: binaries/data/mods/public/gui/pregame/mainmenu.xml
===================================================================
--- binaries/data/mods/public/gui/pregame/mainmenu.xml
+++ binaries/data/mods/public/gui/pregame/mainmenu.xml
@@ -320,6 +320,7 @@
 					type="button"
 					size="0 0 100% 28"
 					tooltip_style="pgToolTip"
+					hotkey="options"
 				>
 					<translatableAttribute id="caption">Options</translatableAttribute>
 					<translatableAttribute id="tooltip">Adjust game settings.</translatableAttribute>
Index: binaries/data/mods/public/gui/session/menu.xml
===================================================================
--- binaries/data/mods/public/gui/session/menu.xml
+++ binaries/data/mods/public/gui/session/menu.xml
@@ -59,6 +59,7 @@
 			style="StoneButtonFancy"
 			size="0 128 100% 156"
 			tooltip_style="sessionToolTip"
+			hotkey="options"
 		>
 			<translatableAttribute id="caption">Options</translatableAttribute>
 			<action on="Press">optionsMenuButton();</action>