diff --git a/source/ps/Game.cpp b/source/ps/Game.cpp
index e2a1a3dc8c..304dca1e65 100644
--- a/source/ps/Game.cpp
+++ b/source/ps/Game.cpp
@@ -74,6 +74,7 @@ CGame::CGame(bool replayLog):
 	// should be created outside only if needed.
 	m_GameView(CRenderer::IsInitialised() ? new CGameView(g_VideoMode.GetBackendDevice(), this) : nullptr),
 	m_GameStarted(false),
+	m_CheatsEnabled(false),
 	m_Paused(false),
 	m_SimRate(1.0f),
 	m_PlayerID(-1),
@@ -221,6 +222,15 @@ void CGame::RegisterInit(const JS::HandleValue attribs, const std::string& saved
 	std::string mapType;
 	Script::GetProperty(rq, attribs, "mapType", mapType);
 
+	JS::RootedValue settings(rq.cx);
+	Script::GetProperty(rq, attribs, "settings", &settings);
+
+	if (Script::HasProperty(rq, attribs, "settings") &&
+	    Script::HasProperty(rq, settings, "CheatsEnabled"))
+	{
+		Script::GetProperty(rq, settings, "CheatsEnabled", m_CheatsEnabled);
+	}
+
 	float speed;
 	if (Script::HasProperty(rq, attribs, "gameSpeed"))
 	{
@@ -249,19 +259,14 @@ void CGame::RegisterInit(const JS::HandleValue attribs, const std::string& saved
 	{
 		// Load random map attributes
 		std::wstring scriptFile;
-		JS::RootedValue settings(rq.cx);
-
 		Script::GetProperty(rq, attribs, "script", scriptFile);
-		Script::GetProperty(rq, attribs, "settings", &settings);
 
 		m_World->RegisterInitRMS(scriptFile, scriptInterface.GetContext(), settings, m_PlayerID);
 	}
 	else
 	{
 		std::wstring mapFile;
-		JS::RootedValue settings(rq.cx);
 		Script::GetProperty(rq, attribs, "map", mapFile);
-		Script::GetProperty(rq, attribs, "settings", &settings);
 
 		m_World->RegisterInit(mapFile, scriptInterface.GetContext(), settings, m_PlayerID);
 	}
@@ -379,6 +384,11 @@ void CGame::SetViewedPlayerID(player_id_t playerID)
 	m_ViewedPlayerID = playerID;
 }
 
+bool CGame::CheatsEnabled() const
+{
+	return m_CheatsEnabled;
+}
+
 void CGame::StartGame(JS::MutableHandleValue attribs, const std::string& savedState)
 {
 	if (m_ReplayLogger)
@@ -475,3 +485,13 @@ bool CGame::IsGameFinished() const
 
 	return false;
 }
+
+bool CGame::PlayerFinished(player_id_t playerID) const
+{
+	CmpPtr<ICmpPlayerManager> cmpPlayerManager(*m_Simulation2, SYSTEM_ENTITY);
+	if (!cmpPlayerManager)
+		return false;
+
+	CmpPtr<ICmpPlayer> cmpPlayer(*m_Simulation2, cmpPlayerManager->GetPlayerByID(playerID));
+	return cmpPlayer && cmpPlayer->GetState() != "active";
+}
diff --git a/source/ps/Game.h b/source/ps/Game.h
index c73265bdc8..9dd390802c 100644
--- a/source/ps/Game.h
+++ b/source/ps/Game.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2023 Wildfire Games.
+/* Copyright (C) 2024 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -114,6 +114,8 @@ public:
 	int GetViewedPlayerID();
 	void SetViewedPlayerID(player_id_t playerID);
 
+	bool CheatsEnabled() const;
+
 	/**
 	 * Check if the game is finished by testing if there's a winner.
 	 * It is used to end a non visual autostarted game.
@@ -122,6 +124,11 @@ public:
 	 */
 	bool IsGameFinished() const;
 
+	/**
+	 * Check if the given player has been defeated or won the game.
+	 */
+	bool PlayerFinished(player_id_t playerID) const;
+
 	/**
 	 * Retrieving player colors from scripts is slow, so this updates an
 	 * internal cache of all players' colors.
@@ -214,6 +221,8 @@ private:
 	int LoadInitialState(const std::string& savedState);
 	bool m_IsSavedGame; // true if loading a saved game; false for a new game
 
+	bool m_CheatsEnabled;
+
 	int LoadVisualReplayData();
 	OsPath m_ReplayPath;
 	bool m_IsVisualReplay;
diff --git a/source/ps/scripting/JSInterface_Game.cpp b/source/ps/scripting/JSInterface_Game.cpp
index 12de30f67d..c888d19e41 100644
--- a/source/ps/scripting/JSInterface_Game.cpp
+++ b/source/ps/scripting/JSInterface_Game.cpp
@@ -1,4 +1,4 @@
-/* Copyright (C) 2023 Wildfire Games.
+/* Copyright (C) 2024 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -67,20 +67,35 @@ int GetPlayerID()
 	return g_Game->GetPlayerID();
 }
 
-void SetPlayerID(int id)
+void SetPlayerID(const ScriptRequest& rq, int id)
 {
 	if (!g_Game)
 		return;
 
-	g_Game->SetPlayerID(id);
+	int currentID = g_Game->GetPlayerID();
+	if (currentID == id)
+		return;
+
+	if (g_Game->CheatsEnabled())
+		g_Game->SetPlayerID(id);
+	else
+		ScriptException::Raise(rq, "Changing player ID with cheats disabled is prohibited");
 }
 
-void SetViewedPlayer(int id)
+void SetViewedPlayer(const ScriptRequest& rq, int id)
 {
 	if (!g_Game)
 		return;
 
-	g_Game->SetViewedPlayerID(id);
+	int playerID = g_Game->GetPlayerID();
+	if (playerID == id)
+		return;
+
+	// Forbid active players to reveal the map by changing perspective, unless cheats are allowed.
+	if (playerID == -1 || g_Game->CheatsEnabled() || g_Game->PlayerFinished(playerID))
+		g_Game->SetViewedPlayerID(id);
+	else
+		ScriptException::Raise(rq, "Changing the perspective with cheats disabled is prohibited");
 }
 
 float GetSimRate()