diff --git a/bottle/gravity_from_gyro.gd b/bottle/gravity_from_gyro.gd
new file mode 100644
index 0000000..52cc29b
--- /dev/null
+++ b/bottle/gravity_from_gyro.gd
@@ -0,0 +1,9 @@
+extends Node
+class_name GravityFromGyro
+
+
+func _physics_process(_delta):
+	var accel_3d = Input.get_accelerometer()
+	var accel_2d = Vector2(accel_3d.x, -accel_3d.y) / 9.8
+	PhysicsServer2D.area_set_param(get_viewport().find_world_2d().space, PhysicsServer2D.AREA_PARAM_GRAVITY_VECTOR, accel_2d)
+
diff --git a/bottle/gravity_from_gyro.tscn b/bottle/gravity_from_gyro.tscn
new file mode 100644
index 0000000..82746ef
--- /dev/null
+++ b/bottle/gravity_from_gyro.tscn
@@ -0,0 +1,6 @@
+[gd_scene load_steps=2 format=3 uid="uid://d05b8jy3xmpcb"]
+
+[ext_resource type="Script" path="res://bottle/gravity_from_gyro.gd" id="1_40gii"]
+
+[node name="GravityFromGyro" type="Node"]
+script = ExtResource("1_40gii")
diff --git a/project.godot b/project.godot
index 94683e1..c10ccab 100644
--- a/project.godot
+++ b/project.godot
@@ -34,8 +34,12 @@ window/handheld/orientation=1
 
 [physics]
 
-2d/solver/contact_max_allowed_penetration=1.0
-2d/solver/default_contact_bias=1.0
+2d/run_on_separate_thread=true
+2d/solver/solver_iterations=4
+2d/solver/contact_recycle_radius=3.0
+2d/solver/contact_max_allowed_penetration=0.02
+2d/solver/default_contact_bias=0.1
+2d/solver/default_constraint_bias=0.1
 
 [rendering]
 
diff --git a/root.tscn b/root.tscn
index ecb05c2..b24a08c 100644
--- a/root.tscn
+++ b/root.tscn
@@ -1,7 +1,8 @@
-[gd_scene load_steps=4 format=3 uid="uid://cbccs6kwwf265"]
+[gd_scene load_steps=5 format=3 uid="uid://cbccs6kwwf265"]
 
 [ext_resource type="PackedScene" uid="uid://bllsprv8orpn4" path="res://bottle/bottle.tscn" id="1_4fmd3"]
 [ext_resource type="PackedScene" uid="uid://c3kitncwpi42j" path="res://entity/coin_copper.tscn" id="2_dv01l"]
+[ext_resource type="PackedScene" uid="uid://d05b8jy3xmpcb" path="res://bottle/gravity_from_gyro.tscn" id="2_m7p4p"]
 [ext_resource type="PackedScene" uid="uid://c67lfbk4gf1ga" path="res://spawner/spawner.tscn" id="3_pubxn"]
 
 [node name="Root" type="Node"]
@@ -75,7 +76,9 @@ texture_filter = 1
 
 [node name="Bottle" parent="UI/GameContainer/Game" instance=ExtResource("1_4fmd3")]
 
+[node name="GravityFromGyro" parent="UI/GameContainer/Game/Bottle" instance=ExtResource("2_m7p4p")]
+
 [node name="Spawner" parent="UI/GameContainer/Game" instance=ExtResource("3_pubxn")]
-position = Vector2(2, -410)
+position = Vector2(0, -400)
 scene = ExtResource("2_dv01l")
 target_parent = NodePath("..")
diff --git a/spawner/spawner.gd b/spawner/spawner.gd
index 21c7ca4..1cc21d5 100644
--- a/spawner/spawner.gd
+++ b/spawner/spawner.gd
@@ -6,7 +6,6 @@ class_name Spawner
 func spawn():
 	if len($Area2D.get_overlapping_bodies()) > 0:
 		return
-
-	var scene_instant= scene.instantiate()
+	var scene_instant = scene.instantiate()
 	scene_instant.position=Vector2.ZERO
 	add_child(scene_instant)
diff --git a/spawner/spawner.tscn b/spawner/spawner.tscn
index 0023f33..b787b2e 100644
--- a/spawner/spawner.tscn
+++ b/spawner/spawner.tscn
@@ -15,7 +15,7 @@ autostart = true
 [node name="Area2D" type="Area2D" parent="."]
 collision_mask = 4
 
-[node name="CollisionShape2D" type="CollisionShape2D" parent="Area2D"]
+[node name="Shape" type="CollisionShape2D" parent="Area2D"]
 position = Vector2(0, -10)
 shape = SubResource("RectangleShape2D_xnebx")