Index: build/premake/premake5.lua
===================================================================
--- build/premake/premake5.lua
+++ build/premake/premake5.lua
@@ -818,7 +818,9 @@
 
 	source_dirs = {
 		"tools/atlas/GameInterface",
-		"tools/atlas/GameInterface/Handlers"
+		"tools/atlas/GameInterface/Handlers",
+		"tools/atlas/EditorInterface",
+		"tools/atlas/EditorInterface/scripting"
 	}
 	extern_libs = {
 		"boost",
Index: source/gui/Scripting/ScriptFunctions.cpp
===================================================================
--- source/gui/Scripting/ScriptFunctions.cpp
+++ source/gui/Scripting/ScriptFunctions.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2022 Wildfire Games.
+/* Copyright (C) 2023 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -41,6 +41,7 @@
 #include "scriptinterface/ScriptInterface.h"
 #include "simulation2/scripting/JSInterface_Simulation.h"
 #include "soundmanager/scripting/JSInterface_Sound.h"
+#include "tools/atlas/EditorInterface/scripting/JSInterface_Editor.h"
 
 /*
  * This file defines a set of functions that are available to GUI scripts, to allow
@@ -73,4 +74,5 @@
 	JSI_UserReport::RegisterScriptFunctions(rq);
 	JSI_VFS::RegisterScriptFunctions_ReadWriteAnywhere(rq);
 	JSI_VisualReplay::RegisterScriptFunctions(rq);
+	JSI_Editor::RegisterScriptFunctions(rq);
 }
Index: source/ps/Game.h
===================================================================
--- source/ps/Game.h
+++ source/ps/Game.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2021 Wildfire Games.
+/* Copyright (C) 2023 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -151,6 +151,16 @@
 	{	return m_IsVisualReplay; }
 
 	/**
+	 * Get m_IsEditorGame.
+	 *
+	 * @return bool the value of m_IsEditorGame.
+	 **/
+	inline bool IsEditorGame() const
+	{
+		return m_IsEditorGame;
+	}
+
+	/**
 	 * Get the pointer to the game world object.
 	 *
 	 * @return CWorld * the value of m_World.
@@ -220,6 +230,8 @@
 	bool m_IsVisualReplay;
 	std::istream* m_ReplayStream;
 	u32 m_FinalReplayTurn;
+
+	bool m_IsEditorGame; // true if the game is for use the editor
 };
 
 extern CGame *g_Game;
Index: source/ps/Game.cpp
===================================================================
--- source/ps/Game.cpp
+++ source/ps/Game.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2022 Wildfire Games.
+/* Copyright (C) 2023 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -78,6 +78,7 @@
 	m_ViewedPlayerID(-1),
 	m_IsSavedGame(false),
 	m_IsVisualReplay(false),
+	m_IsEditorGame(false),
 	m_ReplayStream(NULL)
 {
 	// TODO: should use CDummyReplayLogger unless activated by cmd-line arg, perhaps?
@@ -229,6 +230,9 @@
 			LOGERROR("GameSpeed could not be parsed.");
 	}
 
+	if (Script::HasProperty(rq, attribs, "editorType"))
+		m_IsEditorGame = true;
+
 	LDR_BeginRegistering();
 
 	RegMemFun(m_Simulation2, &CSimulation2::ProgressiveLoad, L"Simulation init", 1000);