diff --git a/Scenes/fruit.tscn b/Scenes/fruit.tscn
index 79636e4..570961c 100644
--- a/Scenes/fruit.tscn
+++ b/Scenes/fruit.tscn
@@ -1,6 +1,7 @@
-[gd_scene load_steps=4 format=3 uid="uid://bldekmt1rakjl"]
+[gd_scene load_steps=5 format=3 uid="uid://bldekmt1rakjl"]
 
 [ext_resource type="Script" uid="uid://dcdogfvb8xjod" path="res://Scripts/fruit.gd" id="1_o20pv"]
+[ext_resource type="Material" uid="uid://b3rufg8frc82r" path="res://Shaders/drop_shadow.tres" id="1_t6yr1"]
 
 [sub_resource type="RectangleShape2D" id="RectangleShape2D_hf2pu"]
 size = Vector2(18, 18)
@@ -15,6 +16,7 @@ script = ExtResource("1_o20pv")
 shape = SubResource("RectangleShape2D_hf2pu")
 
 [node name="Sprite2D" type="Sprite2D" parent="."]
+material = ExtResource("1_t6yr1")
 texture = SubResource("PlaceholderTexture2D_kum7e")
 
 [node name="Label" type="Label" parent="."]
diff --git a/Scenes/main.tscn b/Scenes/main.tscn
index c0b4828..970bed0 100644
--- a/Scenes/main.tscn
+++ b/Scenes/main.tscn
@@ -1,4 +1,4 @@
-[gd_scene load_steps=18 format=4 uid="uid://bs6an72avch86"]
+[gd_scene load_steps=19 format=4 uid="uid://bs6an72avch86"]
 
 [ext_resource type="Texture2D" uid="uid://dxdtqv4do4x31" path="res://Sprites/background.png" id="1_6bp64"]
 [ext_resource type="PackedScene" uid="uid://gkqku38yb2ng" path="res://Scenes/level.tscn" id="1_bo1nx"]
@@ -7,6 +7,7 @@
 [ext_resource type="PackedScene" uid="uid://mp03fsd536be" path="res://Scenes/score_display.tscn" id="4_jjvhh"]
 [ext_resource type="PackedScene" uid="uid://bqg3ohs1gwofr" path="res://Scenes/game_over_menu.tscn" id="5_kry3j"]
 [ext_resource type="Texture2D" uid="uid://dr54j1cutgpf2" path="res://Sprites/tile.png" id="6_21xkr"]
+[ext_resource type="Material" uid="uid://b3rufg8frc82r" path="res://Shaders/drop_shadow.tres" id="7_wsu2k"]
 [ext_resource type="Texture2D" uid="uid://c6kno4vjbvu28" path="res://Sprites/ouroboros.png" id="8_ynf5e"]
 [ext_resource type="Script" uid="uid://8jbramxjbw1w" path="res://Scripts/ouroboros.gd" id="9_hptm8"]
 [ext_resource type="Texture2D" uid="uid://bbutodjdye61j" path="res://Sprites/cherry.png" id="10_fdnlq"]
@@ -78,6 +79,7 @@ offset_right = 812.0
 offset_bottom = 475.0
 
 [node name="Ouroboros2" type="Sprite2D" parent="GameOverMenu"]
+material = ExtResource("7_wsu2k")
 position = Vector2(237, 118)
 scale = Vector2(0.5, 0.5)
 texture = ExtResource("8_ynf5e")
@@ -89,6 +91,7 @@ tile_map_data = PackedByteArray("AAADAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAFAAAAAAAAAAA
 tile_set = SubResource("TileSet_344ge")
 
 [node name="Ouroboros" type="Sprite2D" parent="."]
+material = ExtResource("7_wsu2k")
 position = Vector2(84, 90)
 scale = Vector2(0.5, 0.5)
 texture = ExtResource("8_ynf5e")
@@ -98,18 +101,22 @@ script = ExtResource("9_hptm8")
 position = Vector2(-1, 56)
 
 [node name="Cherry" type="Sprite2D" parent="FruitExamples"]
+material = ExtResource("7_wsu2k")
 position = Vector2(39, 503)
 texture = ExtResource("10_fdnlq")
 
 [node name="Lemon" type="Sprite2D" parent="FruitExamples"]
+material = ExtResource("7_wsu2k")
 position = Vector2(38, 542)
 texture = ExtResource("11_jkdf5")
 
 [node name="Apple" type="Sprite2D" parent="FruitExamples"]
+material = ExtResource("7_wsu2k")
 position = Vector2(93, 509)
 texture = ExtResource("12_wsu2k")
 
 [node name="Watermelon" type="Sprite2D" parent="FruitExamples"]
+material = ExtResource("7_wsu2k")
 position = Vector2(92, 541)
 texture = ExtResource("13_k12tt")
 
diff --git a/Scenes/main_menu.tscn b/Scenes/main_menu.tscn
index ae92f1b..4b4edbc 100644
--- a/Scenes/main_menu.tscn
+++ b/Scenes/main_menu.tscn
@@ -1,8 +1,9 @@
-[gd_scene load_steps=20 format=3 uid="uid://bu5cwjawsnb1q"]
+[gd_scene load_steps=21 format=3 uid="uid://bu5cwjawsnb1q"]
 
 [ext_resource type="Script" uid="uid://bomw4j2mmerry" path="res://Scripts/main_menu.gd" id="1_28flt"]
 [ext_resource type="Texture2D" uid="uid://dxdtqv4do4x31" path="res://Sprites/background.png" id="2_48xlc"]
 [ext_resource type="Texture2D" uid="uid://c6kno4vjbvu28" path="res://Sprites/ouroboros.png" id="3_ce3w2"]
+[ext_resource type="Material" uid="uid://b3rufg8frc82r" path="res://Shaders/drop_shadow.tres" id="3_t1dhk"]
 [ext_resource type="Script" uid="uid://dp3dc6g76g8wq" path="res://Scripts/menu_ouroboros.gd" id="4_n45e2"]
 [ext_resource type="Texture2D" uid="uid://bbutodjdye61j" path="res://Sprites/cherry.png" id="5_trj04"]
 [ext_resource type="Script" uid="uid://ctoqmgqe06xjw" path="res://Scripts/instruction_label.gd" id="5_vr1f0"]
@@ -111,12 +112,14 @@ offset_bottom = 38.0
 
 [node name="Ouroboros" type="Sprite2D" parent="Title"]
 modulate = Color(0.545, 0, 0, 1)
+material = ExtResource("3_t1dhk")
 position = Vector2(241, 130)
 texture = ExtResource("3_ce3w2")
 script = ExtResource("4_n45e2")
 
 [node name="Ouroboros2" type="Sprite2D" parent="Title"]
 modulate = Color(0, 0.502, 0, 1)
+material = ExtResource("3_t1dhk")
 position = Vector2(574, 176)
 scale = Vector2(0.5, 0.5)
 texture = ExtResource("3_ce3w2")
@@ -124,6 +127,7 @@ script = ExtResource("4_n45e2")
 
 [node name="Ouroboros3" type="Sprite2D" parent="Title"]
 modulate = Color(0.4, 0.2, 0.6, 1)
+material = ExtResource("3_t1dhk")
 position = Vector2(776, 178)
 scale = Vector2(0.5, 0.5)
 texture = ExtResource("3_ce3w2")
@@ -131,6 +135,7 @@ script = ExtResource("4_n45e2")
 
 [node name="Ouroboros4" type="Sprite2D" parent="Title"]
 modulate = Color(1, 0.270588, 0, 1)
+material = ExtResource("3_t1dhk")
 position = Vector2(947, 181)
 scale = Vector2(0.5, 0.5)
 texture = ExtResource("3_ce3w2")
diff --git a/Scenes/snake_part.tscn b/Scenes/snake_part.tscn
index 438f1c5..8320db2 100644
--- a/Scenes/snake_part.tscn
+++ b/Scenes/snake_part.tscn
@@ -1,7 +1,8 @@
-[gd_scene load_steps=4 format=3 uid="uid://d0okbjqyaoe0w"]
+[gd_scene load_steps=5 format=3 uid="uid://d0okbjqyaoe0w"]
 
 [ext_resource type="Script" uid="uid://cn4hlmm4qa8fg" path="res://Scripts/snake_part.gd" id="1_iuiyg"]
 [ext_resource type="Texture2D" uid="uid://b0can5myhke8s" path="res://Sprites/snake_straight.png" id="2_hf2pu"]
+[ext_resource type="Material" uid="uid://b3rufg8frc82r" path="res://Shaders/drop_shadow.tres" id="2_kum7e"]
 
 [sub_resource type="RectangleShape2D" id="RectangleShape2D_hf2pu"]
 size = Vector2(18, 18)
@@ -13,6 +14,7 @@ script = ExtResource("1_iuiyg")
 shape = SubResource("RectangleShape2D_hf2pu")
 
 [node name="Sprite2D" type="Sprite2D" parent="."]
+material = ExtResource("2_kum7e")
 texture = ExtResource("2_hf2pu")
 
 [node name="DownRayCast2D" type="RayCast2D" parent="."]
diff --git a/Shaders/drop_shadow.gdshader b/Shaders/drop_shadow.gdshader
new file mode 100644
index 0000000..f947510
--- /dev/null
+++ b/Shaders/drop_shadow.gdshader
@@ -0,0 +1,38 @@
+shader_type canvas_item;
+
+uniform vec4 drop_shadow_color : source_color = vec4(vec3(0), float(0.5));
+uniform vec2 shadow_offset = vec2(float(0), float(0.1));
+varying vec4 modulate;
+
+void vertex() {
+	modulate = COLOR;
+	float max_offset = abs(shadow_offset.x);
+	if (abs(shadow_offset.y) > abs(shadow_offset.x)) {
+		max_offset = abs(shadow_offset.y);
+	}
+	VERTEX *= float(1) + float(2) * max_offset;
+}
+vec4 sample_texture(sampler2D texture, vec2 uv)  {
+	if ((uv.x < 0.0 || uv.x > 1.0) || (uv.y < 0.0 || uv.y > 1.0))  {
+		return vec4(0.0);
+	} else {
+		return texture(texture, uv);
+	}
+}
+vec4 mixcolor(vec4 colA, vec4 colB)  {
+	return vec4((colA.rgb + colB.a * (colB.rgb - colA.rgb)), colA.a + colB.a);
+}
+void fragment()  {
+	float max_offset = abs(shadow_offset.x);
+	if (abs(shadow_offset.y) > abs(shadow_offset.x)) {
+		max_offset = abs(shadow_offset.y);
+	}
+	vec2 uv = UV * float(float(1) + float(2) * max_offset) - vec2(max_offset);
+	vec4 original_color = sample_texture(TEXTURE, uv) * modulate;
+	vec4 shadow_color = vec4(drop_shadow_color.rgb, sample_texture(TEXTURE, uv - shadow_offset).a * drop_shadow_color.a);
+	if (shadow_color.a > float(0)) {
+		COLOR = mixcolor(shadow_color, original_color);
+	} else {
+		COLOR = original_color;
+	}
+}
\ No newline at end of file
diff --git a/Shaders/drop_shadow.gdshader.uid b/Shaders/drop_shadow.gdshader.uid
new file mode 100644
index 0000000..1523242
--- /dev/null
+++ b/Shaders/drop_shadow.gdshader.uid
@@ -0,0 +1 @@
+uid://dh2ljlr3vprkh
diff --git a/Shaders/drop_shadow.tres b/Shaders/drop_shadow.tres
new file mode 100644
index 0000000..f0659ca
--- /dev/null
+++ b/Shaders/drop_shadow.tres
@@ -0,0 +1,8 @@
+[gd_resource type="ShaderMaterial" load_steps=2 format=3 uid="uid://b3rufg8frc82r"]
+
+[ext_resource type="Shader" uid="uid://dh2ljlr3vprkh" path="res://Shaders/drop_shadow.gdshader" id="1_kutx4"]
+
+[resource]
+shader = ExtResource("1_kutx4")
+shader_parameter/drop_shadow_color = Color(0, 0, 0, 0.5)
+shader_parameter/shadow_offset = Vector2(0.05, 0.05)