diff --git a/maps/dungeons/biome_concrete.lua b/maps/dungeons/biome_concrete.lua
index e21ac529..8985904c 100644
--- a/maps/dungeons/biome_concrete.lua
+++ b/maps/dungeons/biome_concrete.lua
@@ -16,7 +16,7 @@ local function concrete(surface, room)
 	table_shuffle_table(room.room_border_tiles)
 	for key, tile in pairs(room.room_border_tiles) do
 		surface.set_tiles({{name = "refined-concrete", position = tile.position}}, true)
-		if key < 8 then
+		if key % 8 == 1 then
 			surface.create_entity({name = "rock-big", position = tile.position})
 		else
 			surface.create_entity({name = "stone-wall", position = tile.position})
diff --git a/maps/dungeons/biome_desert.lua b/maps/dungeons/biome_desert.lua
index 0d72a249..360c426e 100644
--- a/maps/dungeons/biome_desert.lua
+++ b/maps/dungeons/biome_desert.lua
@@ -18,7 +18,7 @@ local function desert(surface, room)
 	if #room.room_border_tiles > 1 then table_shuffle_table(room.room_border_tiles) end
 	for key, tile in pairs(room.room_border_tiles) do
 		surface.set_tiles({{name = "sand-1", position = tile.position}}, true)
-		if key < 9 then
+		if key % 8 == 1 then
 			surface.create_entity({name = "rock-big", position = tile.position})
 		else
 			if math_random(1, 9) == 1 then
diff --git a/maps/dungeons/biome_dirtlands.lua b/maps/dungeons/biome_dirtlands.lua
index 5b11874f..a58b4e62 100644
--- a/maps/dungeons/biome_dirtlands.lua
+++ b/maps/dungeons/biome_dirtlands.lua
@@ -1,4 +1,5 @@
 local Functions = require "maps.dungeons.functions"
+local Get_noise = require "utils.get_noise"
 
 local table_shuffle_table = table.shuffle_table
 local table_insert = table.insert
@@ -6,25 +7,36 @@ local table_remove = table.remove
 local math_random = math.random
 local math_abs = math.abs
 
+local decoratives = {"brown-asterisk", "brown-carpet-grass", "brown-fluff", "brown-fluff-dry", "brown-hairy-grass", "brown-asterisk", "brown-fluff", "brown-fluff-dry"}
 local ores = {"iron-ore", "iron-ore", "iron-ore", "iron-ore", "copper-ore", "copper-ore", "copper-ore","coal", "coal","stone", "stone"}
 local trees = {"dead-dry-hairy-tree", "dead-grey-trunk", "dead-tree-desert", "dry-hairy-tree", "dry-tree"}
 local size_of_trees = #trees
 
+local function draw_deco(surface, position, decorative_name, seed)
+	if surface.get_tile(position).name == "water" then return end
+	local noise = Get_noise("decoratives", position, seed)
+	if math_abs(noise) > 0.35 then
+		surface.create_decoratives{check_collision = false, decoratives = {{name = decorative_name, position = position, amount = math.floor(math.abs(noise * 3)) + 1}}}
+	end
+end
+
+local function draw_room_decoratives(surface, room)
+	local seed = game.surfaces[1].map_gen_settings.seed + math_random(1, 1000000)
+	local decorative_name = decoratives[math_random(1, #decoratives)]
+	for _, tile in pairs(room.path_tiles) do draw_deco(surface, tile.position, decorative_name, seed) end
+	for _, tile in pairs(room.room_border_tiles) do draw_deco(surface, tile.position, decorative_name, seed) end
+	for _, tile in pairs(room.room_tiles) do draw_deco(surface, tile.position, decorative_name, seed) end
+end
+
 local function dirtlands(surface, room)
 	local path_tile = "dirt-" .. math_random(1, 3)
 	for _, tile in pairs(room.path_tiles) do
 		surface.set_tiles({{name = path_tile, position = tile.position}}, true)
 	end
 	
-	if #room.room_border_tiles > 1 then table_shuffle_table(room.room_border_tiles) end
-	for key, tile in pairs(room.room_border_tiles) do
-		surface.set_tiles({{name = "dirt-4", position = tile.position}}, true)
-		if key < 9 then
-			surface.create_entity({name = "rock-big", position = tile.position})
-		end
-	end
+	if not room.room_border_tiles[1] then draw_room_decoratives(surface, room) return end
 	
-	if #room.room_tiles > 1 then table_shuffle_table(room.room_tiles) end
+	table_shuffle_table(room.room_tiles)
 	for key, tile in pairs(room.room_tiles) do
 		surface.set_tiles({{name = "dirt-7", position = tile.position}}, true)
 		if math_random(1, 64) == 1 then
@@ -68,6 +80,16 @@ local function dirtlands(surface, room)
 			end
 		end	
 	end
+	
+	table_shuffle_table(room.room_border_tiles)
+	for key, tile in pairs(room.room_border_tiles) do
+		surface.set_tiles({{name = "dirt-4", position = tile.position}}, true)
+		if key % 8 == 1 then
+			surface.create_entity({name = "rock-big", position = tile.position})
+		end
+	end
+	
+	draw_room_decoratives(surface, room)
 end
 
 return dirtlands
\ No newline at end of file
diff --git a/maps/dungeons/biome_doom.lua b/maps/dungeons/biome_doom.lua
index fa6bacbe..2409b1ee 100644
--- a/maps/dungeons/biome_doom.lua
+++ b/maps/dungeons/biome_doom.lua
@@ -47,7 +47,7 @@ local function doom(surface, room)
 	if #room.room_border_tiles > 1 then table_shuffle_table(room.room_border_tiles) end
 	for key, tile in pairs(room.room_border_tiles) do
 		surface.set_tiles({{name = "black-refined-concrete", position = tile.position}}, true)
-		if key < 9 then
+		if key % 8 == 1 then
 			surface.create_entity({name = "rock-big", position = tile.position})
 		end
 	end
diff --git a/maps/dungeons/biome_glitch.lua b/maps/dungeons/biome_glitch.lua
index a76a9539..b6d4f8c8 100644
--- a/maps/dungeons/biome_glitch.lua
+++ b/maps/dungeons/biome_glitch.lua
@@ -52,7 +52,7 @@ local function glitch(surface, room)
 	table_shuffle_table(room.room_border_tiles)
 	for key, tile in pairs(room.room_border_tiles) do
 		surface.set_tiles({{name = "lab-dark-2", position = tile.position}}, true)
-		if key < 7 then
+		if key % 8 == 1 then
 			surface.create_entity({name = "rock-big", position = tile.position})
 		end
 	end
diff --git a/maps/dungeons/biome_grasslands.lua b/maps/dungeons/biome_grasslands.lua
index 7c10a4a9..d142902d 100644
--- a/maps/dungeons/biome_grasslands.lua
+++ b/maps/dungeons/biome_grasslands.lua
@@ -42,7 +42,7 @@ local function grasslands(surface, room)
 	table_shuffle_table(room.room_tiles)
 	for key, tile in pairs(room.room_tiles) do
 		surface.set_tiles({{name = "grass-2", position = tile.position}}, true)
-		if math_random(1, 64) == 1 then
+		if math_random(1, 48) == 1 then
 			surface.create_entity({name = ores[math_random(1, #ores)], position = tile.position, amount = math_random(250, 500) + global.dungeons.depth * 10})
 		else
 			if math_random(1, 12) == 1 then
@@ -81,10 +81,6 @@ local function grasslands(surface, room)
 		surface.set_tiles({{name = "grass-3", position = tile.position}}, true)
 		if key % 8 == 1 then
 			surface.create_entity({name = "rock-big", position = tile.position})
-		else
-			if math_random(1, 8) == 1 then
-				--surface.create_entity({name = tree_name, position = tile.position})
-			end
 		end
 	end
 	
diff --git a/maps/dungeons/biome_red_desert.lua b/maps/dungeons/biome_red_desert.lua
index e6dbdc2d..2e1cfcb3 100644
--- a/maps/dungeons/biome_red_desert.lua
+++ b/maps/dungeons/biome_red_desert.lua
@@ -56,7 +56,7 @@ local function red_desert(surface, room)
 	if #room.room_border_tiles > 1 then table_shuffle_table(room.room_border_tiles) end
 	for key, tile in pairs(room.room_border_tiles) do
 		surface.set_tiles({{name = "red-desert-1", position = tile.position}}, true)
-		if key < 9 then
+		if key % 8 == 1 then
 			surface.create_entity({name = "rock-big", position = tile.position})
 		else
 			if math_random(1, 3) > 1 then