Index: binaries/data/mods/public/gui/common/functions_utility.js
===================================================================
--- binaries/data/mods/public/gui/common/functions_utility.js
+++ binaries/data/mods/public/gui/common/functions_utility.js
@@ -282,3 +282,25 @@
 		"revision": Engine.GetBuildRevision()
 	});
 }
+
+/**
+ * Openes a page. If that page completes with an object with a `nextPage`
+ *	property that page is opened with the `args` property of that object. That
+ *	continues untill there is no `nextPage` property in the completion value.
+ *	If there is no `nextPage` in the completion value the `continuation` is
+ *	called with the completion value.
+ * @param {String} page - The page first opened.
+ * @param args - passed to the first page opened.
+ * @param continuation {function | undefined} - Completion callback, called when
+ *	there is no `nextPage` property in the completion value.
+ */
+function pageLoop(page, args, continuation)
+{
+	(function recursiveFunction(completionValue)
+		{
+			if (completionValue?.nextPage != null)
+				Engine.PushGuiPage(completionValue.nextPage, completionValue.args, recursiveFunction);
+			else
+				continuation?.(completionValue);
+		})({ "nextPage": page, "args": args });
+}
Index: binaries/data/mods/public/gui/gamesetup/Pages/GameSetupPage/Panels/Buttons/CivInfoButton.js
===================================================================
--- binaries/data/mods/public/gui/gamesetup/Pages/GameSetupPage/Panels/Buttons/CivInfoButton.js
+++ binaries/data/mods/public/gui/gamesetup/Pages/GameSetupPage/Panels/Buttons/CivInfoButton.js
@@ -3,7 +3,6 @@
 	constructor()
 	{
 		this.civInfo = {
-			"civ": "",
 			"page": "page_civinfo.xml"
 		};
 
@@ -26,21 +25,7 @@
 
 	openPage(page)
 	{
-		Engine.PushGuiPage(
-			page,
-			{ "civ": this.civInfo.civ },
-			this.storeCivInfoPage.bind(this));
-	}
-
-	storeCivInfoPage(data)
-	{
-		if (data.nextPage)
-			Engine.PushGuiPage(
-				data.nextPage,
-				{ "civ": data.civ },
-				this.storeCivInfoPage.bind(this));
-		else
-			this.civInfo = data;
+		pageLoop(page, this.civInfo.args, data => this.civInfo = data);
 	}
 }
 
Index: binaries/data/mods/public/gui/pregame/MainMenuItems.js
===================================================================
--- binaries/data/mods/public/gui/pregame/MainMenuItems.js
+++ binaries/data/mods/public/gui/pregame/MainMenuItems.js
@@ -36,25 +36,13 @@
 				"caption": translate("Structure Tree"),
 				"tooltip": colorizeHotkey(translate("%(hotkey)s: View the structure tree of civilizations featured in 0 A.D."), "structree"),
 				"hotkey": "structree",
-				"onPress": () => {
-					let callback = data => {
-						if (data.nextPage)
-							Engine.PushGuiPage(data.nextPage, { "civ": data.civ }, callback);
-					};
-					Engine.PushGuiPage("page_structree.xml", {}, callback);
-				},
+				"onPress": pageLoop.bind(null, "page_structree.xml")
 			},
 			{
 				"caption": translate("Civilization Overview"),
 				"tooltip": colorizeHotkey(translate("%(hotkey)s: Learn about the civilizations featured in 0 A.D."), "civinfo"),
 				"hotkey": "civinfo",
-				"onPress": () => {
-					let callback = data => {
-						if (data.nextPage)
-							Engine.PushGuiPage(data.nextPage, { "civ": data.civ }, callback);
-					};
-					Engine.PushGuiPage("page_civinfo.xml", {}, callback);
-				}
+				"onPress": pageLoop.bind(null, "page_civinfo.xml")
 			},
 			{
 				"caption": translate("Catafalque Overview"),
Index: binaries/data/mods/public/gui/reference/civinfo/CivInfoPage.js
===================================================================
--- binaries/data/mods/public/gui/reference/civinfo/CivInfoPage.js
+++ binaries/data/mods/public/gui/reference/civinfo/CivInfoPage.js
@@ -17,12 +17,22 @@
 
 	switchToStructreePage()
 	{
-		Engine.PopGuiPage({ "civ": this.activeCiv, "nextPage": "page_structree.xml" });
+		Engine.PopGuiPage({
+			"nextPage": "page_structree.xml",
+			"args": {
+				"civ": this.activeCiv
+			}
+		});
 	}
 
 	closePage()
 	{
-		Engine.PopGuiPage({ "civ": this.activeCiv, "page": "page_civinfo.xml" });
+		Engine.PopGuiPage({
+			"page": "page_civinfo.xml",
+			"args": {
+				"civ": this.activeCiv
+			}
+		});
 	}
 
 	/**
Index: binaries/data/mods/public/gui/reference/common/Buttons/CivInfoButton.js
===================================================================
--- binaries/data/mods/public/gui/reference/common/Buttons/CivInfoButton.js
+++ binaries/data/mods/public/gui/reference/common/Buttons/CivInfoButton.js
@@ -12,7 +12,12 @@
 
 	onPress()
 	{
-		Engine.PopGuiPage({ "civ": this.parentPage.activeCiv, "nextPage": "page_civinfo.xml" });
+		Engine.PopGuiPage({
+			"nextPage": "page_civinfo.xml",
+			"args": {
+				"civ": this.parentPage.activeCiv
+			}
+		});
 	}
 
 }
Index: binaries/data/mods/public/gui/reference/common/Buttons/StructreeButton.js
===================================================================
--- binaries/data/mods/public/gui/reference/common/Buttons/StructreeButton.js
+++ binaries/data/mods/public/gui/reference/common/Buttons/StructreeButton.js
@@ -12,7 +12,12 @@
 
 	onPress()
 	{
-		Engine.PopGuiPage({ "civ": this.parentPage.activeCiv, "nextPage": "page_structree.xml" });
+		Engine.PopGuiPage({
+			"nextPage": "page_structree.xml",
+			"args": {
+				"civ": this.parentPage.activeCiv
+			}
+		});
 	}
 
 }
Index: binaries/data/mods/public/gui/reference/structree/StructreePage.js
===================================================================
--- binaries/data/mods/public/gui/reference/structree/StructreePage.js
+++ binaries/data/mods/public/gui/reference/structree/StructreePage.js
@@ -39,7 +39,12 @@
 
 	closePage()
 	{
-		Engine.PopGuiPage({ "civ": this.activeCiv, "page": "page_structree.xml" });
+		Engine.PopGuiPage({
+			"page": "page_structree.xml",
+			"args": {
+				"civ": this.activeCiv
+			}
+		});
 	}
 
 	selectCiv(civCode)
Index: binaries/data/mods/public/gui/session/top_panel/CivIcon.js
===================================================================
--- binaries/data/mods/public/gui/session/top_panel/CivIcon.js
+++ binaries/data/mods/public/gui/session/top_panel/CivIcon.js
@@ -7,7 +7,6 @@
 	constructor(playerViewControl)
 	{
 		this.dialogSelection = {
-			"civ": "",
 			"page": "page_structree.xml"
 		};
 
@@ -32,30 +31,20 @@
 		closeOpenDialogs();
 		g_PauseControl.implicitPause();
 
-		Engine.PushGuiPage(
+		pageLoop(
 			page,
-			{
+			this.dialogSelection.args ?? {
 				// If an Observer triggers `openPage()` via hotkey, g_ViewedPlayer could be -1 or 0
 				// (depending on whether they're "viewing" no-one or gaia respectively)
-				"civ": this.dialogSelection.civ || g_Players[Math.max(g_ViewedPlayer, 1)].civ,
+				"civ": g_Players[Math.max(g_ViewedPlayer, 1)].civ,
 
 				// TODO add info about researched techs and unlocked entities
 			},
-			this.storePageSelection.bind(this));
-	}
-
-	storePageSelection(data)
-	{
-		if (data.nextPage)
-			Engine.PushGuiPage(
-				data.nextPage,
-				{ "civ": data.civ },
-				this.storePageSelection.bind(this));
-		else
-		{
-			this.dialogSelection = data;
-			resumeGame();
-		}
+			data =>
+			{
+				this.dialogSelection = data;
+				resumeGame();
+			});
 	}
 
 	rebuild()