diff --git a/builtin/common/settings/components.lua b/builtin/common/settings/components.lua
index 99fb0cd76..4052ee01c 100644
--- a/builtin/common/settings/components.lua
+++ b/builtin/common/settings/components.lua
@@ -438,11 +438,41 @@ function make.key(setting)
 		if value == "" then
 			return height
 		end
+
+		local critical_keys = {
+			keymap_chat = true,
+			keymap_drop = true,
+			keymap_inventory = true,
+			keymap_cmd = true,
+			keymap_cmd_local = true,
+			keymap_dig = true,
+			keymap_place = true,
+		}
+
 		for _, o in ipairs(core.full_settingtypes) do
-			if o.type == "key" and o.name ~= setting.name and core.are_keycodes_equal(core.settings:get(o.name), value) then
-				table.insert(fs, ("label[0,%f;%s]"):format(height + 0.3,
-						core.colorize(mt_color_orange, fgettext([[Conflicts with "$1"]], fgettext(o.readable_name)))))
-				height = height + 0.6
+			if o.type == "key" and o.name ~= setting.name and
+					core.are_keycodes_equal(core.settings:get(o.name), value) then
+
+				local is_current_close_world = setting.name == "keymap_close_world"
+				local is_other_close_world = o.name == "keymap_close_world"
+
+				-- Current means current key you've messed with, other means the other key it conflicts with.
+				local is_current_critical = critical_keys[setting.name]
+				local is_other_critical = critical_keys[o.name]
+
+				local show_warning_current = false
+
+				if (is_current_close_world and is_other_critical)
+					or (is_other_close_world and is_current_critical)
+					or (not is_current_close_world and not is_other_close_world) then
+					show_warning_current = true
+				end
+
+				if show_warning_current then
+					table.insert(fs, ("label[0,%f;%s]"):format(height + 0.3,
+							core.colorize(mt_color_orange, fgettext([[Conflicts with "$1"]], fgettext(o.readable_name)))))
+					height = height + 0.6
+				end
 			end
 		end
 		return height
@@ -454,12 +484,12 @@ function make.key(setting)
 
 		get_formspec = function(self, avail_w)
 			self.resettable = core.settings:has(setting.name)
-			local btn_bind_width = math.max(2.5, avail_w/2)
+			local btn_bind_width = math.max(2.5, avail_w / 2)
 			local value = core.settings:get(setting.name)
 			local fs = {
 				("label[0,0.4;%s]"):format(get_label(setting)),
 				("button_key[%f,0;%f,0.8;%s;%s]"):format(
-						btn_bind_width, btn_bind_width-0.8,
+						btn_bind_width, btn_bind_width - 0.8,
 						btn_bind, core.formspec_escape(value)),
 				("image_button[%f,0;0.8,0.8;%s;%s;]"):format(avail_w - 0.8,
 						core.formspec_escape(defaulttexturedir .. "clear.png"),
diff --git a/builtin/settingtypes.txt b/builtin/settingtypes.txt
index 47cbe38f1..75b60d61e 100644
--- a/builtin/settingtypes.txt
+++ b/builtin/settingtypes.txt
@@ -337,6 +337,10 @@ keymap_slot31 (Hotbar slot 31) key
 
 keymap_slot32 (Hotbar slot 32) key
 
+#    Modifier key bind for closing your world.
+#    Requires ESC + the selected key to work.
+keymap_close_world (Return to Main Menu) key SYSTEM_SCANCODE_225
+
 [*Touchscreen]
 
 #    Enables the touchscreen controls, allowing you to play the game with a touchscreen.
diff --git a/src/client/inputhandler.cpp b/src/client/inputhandler.cpp
index d79bee4d6..56bdb184e 100644
--- a/src/client/inputhandler.cpp
+++ b/src/client/inputhandler.cpp
@@ -137,6 +137,7 @@ bool MyEventReceiver::OnEvent(const SEvent &event)
 	// This is separate from other keyboard handling so that it also works in menus.
 	if (event.EventType == EET_KEY_INPUT_EVENT) {
 		KeyPress keyCode(event.KeyInput);
+
 		if (keyCode == getKeySetting("keymap_fullscreen")) {
 			if (event.KeyInput.PressedDown && !fullscreen_is_down) {
 				IrrlichtDevice *device = RenderingEngine::get_raw_device();
@@ -150,8 +151,15 @@ bool MyEventReceiver::OnEvent(const SEvent &event)
 			}
 			fullscreen_is_down = event.KeyInput.PressedDown;
 			return true;
-		} else if (keyCode == EscapeKey &&
-				event.KeyInput.PressedDown && event.KeyInput.Shift) {
+
+		} else if (keyCode == getKeySetting("keymap_close_world")) {
+			close_world_down = event.KeyInput.PressedDown;
+
+		} else if (keyCode == EscapeKey) {
+			esc_down = event.KeyInput.PressedDown;
+		}
+
+		if (esc_down && close_world_down) {
 			g_gamecallback->disconnect();
 			return true;
 		}
diff --git a/src/client/inputhandler.h b/src/client/inputhandler.h
index 85da30ff8..ce2c41a63 100644
--- a/src/client/inputhandler.h
+++ b/src/client/inputhandler.h
@@ -128,6 +128,9 @@ private:
 	// Intentionally not reset by clearInput/releaseAllKeys.
 	bool fullscreen_is_down = false;
 
+	bool close_world_down = false;
+	bool esc_down = false;
+
 	PointerType last_pointer_type = PointerType::Mouse;
 };
 
diff --git a/src/defaultsettings.cpp b/src/defaultsettings.cpp
index 916ce9e51..f970da060 100644
--- a/src/defaultsettings.cpp
+++ b/src/defaultsettings.cpp
@@ -219,6 +219,7 @@ void set_default_settings()
 	settings->setDefault("keymap_slot30", "");
 	settings->setDefault("keymap_slot31", "");
 	settings->setDefault("keymap_slot32", "");
+	USEKEY2("keymap_close_world", "SYSTEM_SCANCODE_225", "KEY_LSHIFT");
 
 #ifndef NDEBUG
 	// Default keybinds for quicktune in debug builds