diff --git a/world/World3d.gd b/world/World3d.gd
index e7c5792..39fe812 100644
--- a/world/World3d.gd
+++ b/world/World3d.gd
@@ -29,14 +29,14 @@ func add_trees():
 	var poisson_disc_sampling: PoissonDiscSampling = PoissonDiscSampling.new()
 	
 	for center in Global.terrain.get_centers():
-		if not center.get_data("water") and not center.get_data("coast") and not center.get_data("mountain"):
-			var num = rng.randi_range(0,10)
-			if num == 1:
-				var points2d = poisson_disc_sampling.generate_points(3, center.polygon(), 2)
-				for point in points2d:
-					var tree = treescene.instance()
-					var scaling = rng.randi_range(0.8, 1.2)
-					tree.scale = Vector3(scaling, scaling, scaling)
-					tree.rotate_y(rng.randi_range(0, 2*PI))
-					tree.translation = Vector3(point.x, center.get_elevation() * 120, point.y)
-					add_child(tree)
+		if not center.get_data("water"):
+			var num = rng.randi_range(0,100)
+			if center.get_data("forest") or num == 1:
+					var points2d = poisson_disc_sampling.generate_points(3, center.polygon(), 2)
+					for point in points2d:
+						var tree = treescene.instance()
+						var scaling = rng.randi_range(0.8, 1.2)
+						tree.scale = Vector3(scaling, scaling, scaling)
+						tree.rotate_y(rng.randi_range(0, 2*PI))
+						tree.translation = Vector3(point.x, center.get_elevation() * 120, point.y)
+						add_child(tree)
diff --git a/world/game.tscn b/world/game.tscn
index 7cf1029..dcfaf58 100644
--- a/world/game.tscn
+++ b/world/game.tscn
@@ -1,10 +1,13 @@
-[gd_scene load_steps=15 format=2]
+[gd_scene load_steps=19 format=2]
 
 [ext_resource path="res://ui/ui.tscn" type="PackedScene" id=1]
 [ext_resource path="res://world/materials/outline.tres" type="Shader" id=2]
 [ext_resource path="res://world/default_env.tres" type="Environment" id=3]
 [ext_resource path="res://world/World3d.gd" type="Script" id=4]
 [ext_resource path="res://utils/camera/CamBase.tscn" type="PackedScene" id=5]
+[ext_resource path="res://world/materials/wind_grass.tres" type="Material" id=6]
+[ext_resource path="res://world/grass.obj" type="ArrayMesh" id=7]
+[ext_resource path="res://world/MultiMeshInstance.gd" type="Script" id=8]
 
 [sub_resource type="PlaneMesh" id=1]
 size = Vector2( 2000, 2000 )
@@ -160,6 +163,17 @@ shader_param/_round = true
 shader_param/outline_bias = 0.0
 shader_param/outline_color = Color( 0, 0, 0, 1 )
 
+[sub_resource type="MultiMesh" id=11]
+color_format = 1
+transform_format = 1
+custom_data_format = 1
+instance_count = 1024
+visible_instance_count = 512
+mesh = ExtResource( 7 )
+transform_array = PoolVector3Array( 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 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+
 [node name="Game" type="Node"]
 
 [node name="UI" parent="." instance=ExtResource( 1 )]
@@ -202,6 +216,11 @@ extra_cull_margin = 3653.19
 mesh = SubResource( 8 )
 material/0 = SubResource( 9 )
 
+[node name="MultiMeshInstance" type="MultiMeshInstance" parent="World3d"]
+material_override = ExtResource( 6 )
+multimesh = SubResource( 11 )
+script = ExtResource( 8 )
+
 [connection signal="map_clicked" from="UI/Map" to="World3d/CamBase/Camera" method="_on_Map_map_clicked"]
 [connection signal="camera_moved" from="World3d/CamBase/Camera" to="UI/Map/Cursor" method="_on_Camera_camera_moved"]
 
diff --git a/world/materials/colors.png b/world/materials/colors.png
index 150e083..f582c02 100644
Binary files a/world/materials/colors.png and b/world/materials/colors.png differ