diff --git a/maps/labyrinth.lua b/maps/labyrinth.lua
index 25a49582..91c72737 100644
--- a/maps/labyrinth.lua
+++ b/maps/labyrinth.lua
@@ -983,6 +983,21 @@ local function on_entity_damaged(event)
 	end
 end
 
+local function on_tick(event)
+	if game.tick % 4000 == 0 then		
+		if math.random(1, 4) ~= 1 then return end
+		local surface = game.surfaces["labyrinth"]
+		local area = {{-10000, -10000}, {10000, 0}}
+		local biters = surface.find_entities_filtered({type = "unit", force = "enemy", area = area})
+		for _, biter in pairs(biters) do		
+			biter.set_command({type=defines.command.attack_area, destination={x = 16, y = 16}, radius=15, distraction=defines.distraction.by_anything})	
+		end
+		if #biters > 0 then
+			game.print("You hear them screeching in the depths. They are trying to reach the entrance!", {r=0.75, g=0, b=0})
+		end
+	end
+end
+
 function dump_layout()
 	local surface = game.surfaces["labyrinth"]
 	game.write_file("layout.lua", "" , false)
@@ -1026,6 +1041,7 @@ function dump_layout()
 	end		
 end
 
+event.add(defines.events.on_tick, on_tick)
 event.add(defines.events.on_robot_built_entity, on_robot_built_entity)
 event.add(defines.events.on_entity_damaged, on_entity_damaged)
 event.add(defines.events.on_built_entity, on_built_entity)
diff --git a/maps/labyrinth_changelog.txt b/maps/labyrinth_changelog.txt
new file mode 100644
index 00000000..75c89ecc
--- /dev/null
+++ b/maps/labyrinth_changelog.txt
@@ -0,0 +1,3 @@
+0.01
+loot table adjustments
+the dungeon inhabitants will now try to swarm to the entrance sometimes
\ No newline at end of file