diff --git a/project.godot b/project.godot
index 23cdb09..3e94fac 100644
--- a/project.godot
+++ b/project.godot
@@ -116,7 +116,7 @@ quality/intended_usage/framebuffer_allocation.mobile=0
 quality/filters/use_nearest_mipmap_filter=true
 quality/filters/msaa=1
 environment/default_environment="res://default_env.tres"
-quality/2d/use_pixel_snap=true
+quality/2d/use_pixel_snap=false
 environment/2d/use_nvidia_rect_flicker_workaround=true
 environment/stretch/aspect="ignore"
 environment/intended_usage/framebuffer_allocation.mobile=0
diff --git a/src/Actors/Blobby/Blobby.gd b/src/Actors/Blobby/Blobby.gd
index 4fe6627..abd600b 100644
--- a/src/Actors/Blobby/Blobby.gd
+++ b/src/Actors/Blobby/Blobby.gd
@@ -20,13 +20,15 @@ onready var camera = $Camera2D
 # TODO This is the worst thing since... you know
 # When the Enemy stomp AREA enters the enemy collision area -> stomp
 func _on_BlobbySkin_area_entered(area: Area2D) -> void:
-	if area.name == "StompDetector":
+	if area.is_in_group("weakpoint"):
 		velocity = calculate_stomp_velocity(velocity, stomp_feedback)
+	if area.is_in_group("harmful"):
+		die()
 
 
 # When the Enemy collision BODY enters the enemy collision area -> die
 func _on_BlobbySkin_body_entered(body: Node) -> void:
-	if body.name == "EnemyBody":
+	if body.is_in_group("harmful"):
 		die()
 
 
@@ -245,19 +247,13 @@ func calculate_fall_velocity(
 func calculate_wallslide_velocity(
 	linear_velocity: Vector2, delta: float, direction: Vector2
 ) -> Vector2:
-	# Walljump mechanics
+	# Walljump mechanicsdd
 	if is_correct_walljump_input(direction):
 		linear_velocity.x = PhysicsFunc.two_step_euler(
-			linear_velocity.x,
-			acceleration_force["walljump"].x * direction.x,
-			mass,
-			delta
+			0, acceleration_force["walljump"].x * direction.x, mass, delta
 		)
-		linear_velocity.y += PhysicsFunc.two_step_euler(
-			linear_velocity.y,
-			acceleration_force["walljump"].y * -1,
-			mass,
-			delta
+		linear_velocity.y = PhysicsFunc.two_step_euler(
+			0, acceleration_force["walljump"].y * -1, mass, delta
 		)
 	elif is_correct_airstrafe_input():
 		linear_velocity.x = PhysicsFunc.two_step_euler(
diff --git a/src/Actors/Blobby/Blobby.tscn b/src/Actors/Blobby/Blobby.tscn
index 2a2a345..115c682 100644
--- a/src/Actors/Blobby/Blobby.tscn
+++ b/src/Actors/Blobby/Blobby.tscn
@@ -17,7 +17,7 @@ texture = ExtResource( 1 )
 
 [node name="AnimationPlayer" type="AnimationPlayer" parent="Player"]
 
-[node name="BlobbyBody" type="CollisionPolygon2D" parent="."]
+[node name="BlobbyBody" type="CollisionPolygon2D" parent="." groups=["player"]]
 polygon = PoolVector2Array( -6.7, -3.273, -2.676, -7.3, 3.939, -7.3, 8, -1.768, 8, 4.912, 4.944, 8.5, -1.03623, 8.5, -4.213, 8.5, -6.7, 6.089 )
 
 [node name="Camera2D" type="Camera2D" parent="."]
@@ -39,7 +39,7 @@ script = ExtResource( 2 )
 
 [node name="ShiftTween" type="Tween" parent="Camera2D"]
 
-[node name="BlobbySkin" type="Area2D" parent="."]
+[node name="BlobbySkin" type="Area2D" parent="." groups=["player"]]
 collision_mask = 126
 
 [node name="CollisionPolygon2D" type="CollisionPolygon2D" parent="BlobbySkin"]
diff --git a/src/Actors/Enemy/Enemy.gd b/src/Actors/Enemy/Enemy.gd
index 4607ce4..ad29adb 100644
--- a/src/Actors/Enemy/Enemy.gd
+++ b/src/Actors/Enemy/Enemy.gd
@@ -12,7 +12,7 @@ func _ready() -> void:
 func _on_StompDetector_body_entered(body: Node) -> void:
 	if body.global_position.y > get_node("StompDetector").global_position.y:
 		return
-	get_node("EnemyShape").disabled = true
+	get_node("EnemyBody").disabled = true
 	die()
 
 
diff --git a/src/Actors/Enemy/Enemy.tscn b/src/Actors/Enemy/Enemy.tscn
index 3d60e4a..24a4b8f 100644
--- a/src/Actors/Enemy/Enemy.tscn
+++ b/src/Actors/Enemy/Enemy.tscn
@@ -9,7 +9,7 @@ extents = Vector2( 2.72463, 1.17848 )
 [sub_resource type="RectangleShape2D" id=2]
 extents = Vector2( 15.4794, 6.68174 )
 
-[node name="Enemy" type="KinematicBody2D"]
+[node name="Enemy" type="KinematicBody2D" groups=["harmful"]]
 collision_layer = 2
 collision_mask = 9
 script = ExtResource( 2 )
@@ -26,12 +26,12 @@ rect = Rect2( -89, -10, 2, 20 )
 process_parent = true
 physics_process_parent = true
 
-[node name="EnemyBody" type="CollisionShape2D" parent="."]
+[node name="EnemyBody" type="CollisionShape2D" parent="." groups=["harmful"]]
 position = Vector2( 0, 6.48802 )
 scale = Vector2( 5.68128, 5.29182 )
 shape = SubResource( 1 )
 
-[node name="StompDetector" type="Area2D" parent="."]
+[node name="StompDetector" type="Area2D" parent="." groups=["weakpoint"]]
 modulate = Color( 0, 0.0392157, 1, 1 )
 position = Vector2( 0, -6.44095 )
 collision_layer = 2
diff --git a/src/Actors/Player.gd b/src/Actors/Player.gd
index a8308af..7bf3e47 100644
--- a/src/Actors/Player.gd
+++ b/src/Actors/Player.gd
@@ -23,7 +23,7 @@ var acceleration_force := {
 	"walk": Vector2(2000, 68000),
 	"idle": Vector2(2000, 68000),
 	"run": Vector2(2000, 68000),
-	"walljump": Vector2(30000, 58000),
+	"walljump": Vector2(50000, 58000),
 	"air_strafe": Vector2(20000, 0)
 }
 # Gravity as m/s^2
diff --git a/src/Actors/PlayerStateMachine.gd b/src/Actors/PlayerStateMachine.gd
index 95d4756..845ce62 100644
--- a/src/Actors/PlayerStateMachine.gd
+++ b/src/Actors/PlayerStateMachine.gd
@@ -117,8 +117,6 @@ func _get_transition(_delta):
 				parent.is_touching_wall_completely()
 				&& parent.velocity.y <= parent.wallslide_threshold
 			):
-				# TODO Wallslide might be too long
-				# TODO Player is stuck to the wall
 				new_state = states.wallslide
 			# Begins coyote time only if walking from ledge
 			elif [states.walk, states.run].has(self.state) && !coyote_hanging:
@@ -144,8 +142,6 @@ func _get_transition(_delta):
 		coyote_hanging = false
 
 	else:
-		# TODO How does this apply to enviornment induced movement?
-		# TODO Can get from platform by jumping often while platform has same direction
 		new_state = states.idle
 		coyote_hanging = false
 	if new_state != self.state:
diff --git a/src/Contraptions/Portal/Portal.gd b/src/Contraptions/Portal/Portal.gd
index 9f51e02..ff22d12 100644
--- a/src/Contraptions/Portal/Portal.gd
+++ b/src/Contraptions/Portal/Portal.gd
@@ -1,11 +1,11 @@
 tool
 extends Area2D
 
-
 onready var anim_player: AnimationPlayer = $AnimationPlayer
 
 export var next_scene: PackedScene
 
+
 func _get_configuration_warning() -> String:
 	return "The next scene property can't be empty" if not next_scene else ""
 
@@ -16,5 +16,5 @@ func teleport() -> void:
 	get_tree().change_scene_to(next_scene)
 
 
-func _on_body_entered(body: Node) -> void:
+func _on_body_entered(_body: Node) -> void:
 	teleport()
diff --git a/src/HarmfulObjects/Bullet.gd b/src/HarmfulObjects/Bullet.gd
new file mode 100644
index 0000000..3e5c573
--- /dev/null
+++ b/src/HarmfulObjects/Bullet.gd
@@ -0,0 +1,18 @@
+extends Area2D
+
+# Declare member variables here. Examples:
+# var a: int = 2
+# var b: String = "text"
+
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	pass  # Replace with function body.
+
+
+func _physics_process(delta: float) -> void:
+	position.x += 30 * delta
+
+
+func _on_Bullet_body_entered(_body: Node) -> void:
+	queue_free()
diff --git a/src/HarmfulObjects/Bullet.tscn b/src/HarmfulObjects/Bullet.tscn
new file mode 100644
index 0000000..d8c87d6
--- /dev/null
+++ b/src/HarmfulObjects/Bullet.tscn
@@ -0,0 +1,23 @@
+[gd_scene load_steps=4 format=2]
+
+[ext_resource path="res://assets/environment/blocks/approx build block.png" type="Texture" id=1]
+[ext_resource path="res://src/HarmfulObjects/Bullet.gd" type="Script" id=2]
+
+[sub_resource type="RectangleShape2D" id=1]
+extents = Vector2( 1.51498, 5.05697 )
+
+[node name="Bullet" type="Area2D" groups=["harmful"]]
+rotation = 1.5708
+collision_layer = 64
+collision_mask = 59
+script = ExtResource( 2 )
+
+[node name="Sprite" type="Sprite" parent="."]
+position = Vector2( -0.00644289, 0.0188824 )
+scale = Vector2( 0.0919913, 0.313283 )
+texture = ExtResource( 1 )
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+shape = SubResource( 1 )
+
+[connection signal="body_entered" from="." to="." method="_on_Bullet_body_entered"]
diff --git a/src/Levels/Level02.tscn b/src/Levels/Level02.tscn
index 2881065..acee49a 100644
--- a/src/Levels/Level02.tscn
+++ b/src/Levels/Level02.tscn
@@ -4,7 +4,7 @@
 [ext_resource path="res://assets/meta/tileset.png" type="Texture" id=2]
 [ext_resource path="res://src/Actors/Enemy/Enemy.tscn" type="PackedScene" id=3]
 [ext_resource path="res://assets/environment/background/background.png" type="Texture" id=4]
-[ext_resource path="res://src/Neutral Objects/Coin.tscn" type="PackedScene" id=5]
+[ext_resource path="res://src/NeutralObjects/Coin.tscn" type="PackedScene" id=5]
 
 [sub_resource type="ConvexPolygonShape2D" id=1]
 points = PoolVector2Array( 0, 0, 80, 0, 80, 80, 0, 80 )
diff --git a/src/Levels/Level03.tscn b/src/Levels/Level03.tscn
index ba0f854..7bdf39d 100644
--- a/src/Levels/Level03.tscn
+++ b/src/Levels/Level03.tscn
@@ -4,7 +4,7 @@
 [ext_resource path="res://assets/meta/tileset.tres" type="TileSet" id=2]
 [ext_resource path="res://src/Actors/Enemy/Enemy.tscn" type="PackedScene" id=3]
 [ext_resource path="res://assets/environment/background/background.png" type="Texture" id=4]
-[ext_resource path="res://src/Neutral Objects/Coin.tscn" type="PackedScene" id=5]
+[ext_resource path="res://src/NeutralObjects/Coin.tscn" type="PackedScene" id=5]
 [ext_resource path="res://src/UserInterface/Buttons/UserInterface.tscn" type="PackedScene" id=6]
 [ext_resource path="res://src/UserInterface/Portal.tscn" type="PackedScene" id=8]
 
diff --git a/src/Levels/LevelTemplate.tscn b/src/Levels/LevelTemplate.tscn
index 3dd9997..cbf269e 100644
--- a/src/Levels/LevelTemplate.tscn
+++ b/src/Levels/LevelTemplate.tscn
@@ -4,7 +4,7 @@
 [ext_resource path="res://assets/meta/tileset.png" type="Texture" id=2]
 [ext_resource path="res://src/Actors/Enemy/Enemy.tscn" type="PackedScene" id=3]
 [ext_resource path="res://assets/environment/background/background.png" type="Texture" id=4]
-[ext_resource path="res://src/Neutral Objects/Coin.tscn" type="PackedScene" id=5]
+[ext_resource path="res://src/NeutralObjects/Coin.tscn" type="PackedScene" id=5]
 [ext_resource path="res://src/UserInterface/Buttons/UserInterface.tscn" type="PackedScene" id=6]
 [ext_resource path="res://src/UserInterface/Portal.tscn" type="PackedScene" id=7]
 [ext_resource path="res://src/UserInterface/Screens/LevelEndScreen.tscn" type="PackedScene" id=8]
diff --git a/src/Levels/Plattforms Level.tscn b/src/Levels/Plattforms Level.tscn
index 8c5ae42..6c6de09 100644
--- a/src/Levels/Plattforms Level.tscn	
+++ b/src/Levels/Plattforms Level.tscn	
@@ -1,10 +1,12 @@
-[gd_scene load_steps=10 format=2]
+[gd_scene load_steps=12 format=2]
 
 [ext_resource path="res://src/Actors/Blobby/Blobby.tscn" type="PackedScene" id=1]
 [ext_resource path="res://assets/environment/blocks/Basic stone block.png" type="Texture" id=2]
 [ext_resource path="res://src/Contraptions/Platform/Spring.tscn" type="PackedScene" id=3]
 [ext_resource path="res://src/Environment/Background.tscn" type="PackedScene" id=4]
 [ext_resource path="res://src/Contraptions/Platform/Track.tscn" type="PackedScene" id=5]
+[ext_resource path="res://src/HarmfulObjects/Bullet.tscn" type="PackedScene" id=6]
+[ext_resource path="res://src/UserInterface/Buttons/UI.tscn" type="PackedScene" id=7]
 
 [sub_resource type="NavigationPolygon" id=1]
 vertices = PoolVector2Array( 16, 16, 0, 16, 0, 0, 16, 0 )
@@ -47,6 +49,8 @@ __meta__ = {
 "_edit_vertical_guides_": [ 2880.0 ]
 }
 
+[node name="UserInterface" parent="." instance=ExtResource( 7 )]
+
 [node name="Simple Background" parent="." instance=ExtResource( 4 )]
 layer = -1
 
@@ -67,9 +71,6 @@ position = Vector2( 50.7867, 604.063 )
 position = Vector2( 331.785, 601.665 )
 scale = Vector2( 1.88002, 1 )
 
-[node name="Spring" parent="Spring4" instance=ExtResource( 3 )]
-position = Vector2( 206.918, 601.665 )
-
 [node name="Track" parent="." instance=ExtResource( 5 )]
 position = Vector2( 422.501, 601.665 )
 scale = Vector2( 2.83999, 0.56 )
@@ -77,6 +78,8 @@ scale = Vector2( 2.83999, 0.56 )
 [node name="KinematicBody2D" parent="Track" index="0"]
 position = Vector2( 8, 0 )
 
+[node name="Bullet" parent="." instance=ExtResource( 6 )]
+position = Vector2( 237.856, 601.801 )
+
 [editable path="Spring4"]
-[editable path="Spring4/Spring"]
 [editable path="Track"]
diff --git a/src/Neutral Objects/Coin.gd b/src/NeutralObjects/Coin.gd
similarity index 100%
rename from src/Neutral Objects/Coin.gd
rename to src/NeutralObjects/Coin.gd
diff --git a/src/Neutral Objects/Coin.tscn b/src/NeutralObjects/Coin.tscn
similarity index 96%
rename from src/Neutral Objects/Coin.tscn
rename to src/NeutralObjects/Coin.tscn
index a09d516..f1e33db 100644
--- a/src/Neutral Objects/Coin.tscn	
+++ b/src/NeutralObjects/Coin.tscn
@@ -1,7 +1,7 @@
 [gd_scene load_steps=6 format=2]
 
 [ext_resource path="res://assets/neutral object/coin.png" type="Texture" id=1]
-[ext_resource path="res://src/Neutral Objects/Coin.gd" type="Script" id=2]
+[ext_resource path="res://src/NeutralObjects/Coin.gd" type="Script" id=2]
 
 [sub_resource type="CircleShape2D" id=1]
 radius = 34.0147
diff --git a/src/UserInterface/Buttons/UI.tscn b/src/UserInterface/Buttons/UI.tscn
new file mode 100644
index 0000000..93e2b4f
--- /dev/null
+++ b/src/UserInterface/Buttons/UI.tscn
@@ -0,0 +1,7 @@
+[gd_scene load_steps=2 format=2]
+
+[ext_resource path="res://src/UserInterface/Buttons/UserInterface.tscn" type="PackedScene" id=1]
+
+[node name="UserInterface" type="CanvasLayer"]
+
+[node name="UserInterface" parent="." instance=ExtResource( 1 )]
diff --git a/src/UserInterface/Buttons/UserInterface.gd b/src/UserInterface/Buttons/UserInterface.gd
index 06f2648..6225e17 100644
--- a/src/UserInterface/Buttons/UserInterface.gd
+++ b/src/UserInterface/Buttons/UserInterface.gd
@@ -1,32 +1,38 @@
 extends Control
 
 # Smart ist es die notwendigen Resourcen vor dem Skriptstart zu laden
-onready var scene_tree: = get_tree()
+onready var scene_tree := get_tree()
 onready var pause_overlay: ColorRect = get_node("PauseOverlay")
 onready var score: Label = get_node("Label")
 onready var pause_title: Label = get_node("PauseOverlay/Title")
 
-var paused: = false setget set_paused
+var paused := false setget set_paused
+
 
 func _ready():
 	PlayerData.connect("score_updated", self, "update_interface")
 	PlayerData.connect("player_died", self, "_on_PlayerData_player_died")
 	update_interface()
 
+
+# TODO Main Menu doesnt work when opened from here
 func _on_PlayerData_player_died() -> void:
 	self.paused = true
 	pause_title.text = "You lost"
 
+
 func _unhandled_input(event: InputEvent) -> void:
 	if event.is_action_pressed("pause") and pause_title.text != "You lost":
-	#not oder ! schaltet einen boolean um
-	#Ist self hier notwendig?
+		#not oder ! schaltet einen boolean um
+		#Ist self hier notwendig?
 		self.paused = not paused
 		scene_tree.set_input_as_handled()
 
+
 func update_interface() -> void:
 	score.text = "Score: %s" % PlayerData.score
 
+
 func set_paused(value: bool) -> void:
 	paused = value
 	scene_tree.paused = value
diff --git a/src/UserInterface/Buttons/UserInterface.tscn b/src/UserInterface/Buttons/UserInterface.tscn
index fc7977f..6312e21 100644
--- a/src/UserInterface/Buttons/UserInterface.tscn
+++ b/src/UserInterface/Buttons/UserInterface.tscn
@@ -49,7 +49,7 @@ margin_top = 84.0
 margin_right = 222.0
 margin_bottom = 164.0
 text = "Main Menu"
-next_scene_path = "res://src/Screens/MainScreen.tscn"
+next_scene_path = "res://src/UserInterface/Screens/MainScreen.tscn"
 
 [node name="QuitButton" parent="PauseOverlay/VBoxContainer" instance=ExtResource( 2 )]
 anchor_left = 0.0
@@ -76,11 +76,9 @@ __meta__ = {
 [node name="Label" type="Label" parent="."]
 anchor_left = 1.0
 anchor_right = 1.0
-margin_left = -180.0
-margin_bottom = 45.0
+margin_left = -84.0
+margin_right = -5.0
+margin_bottom = 24.0
 rect_scale = Vector2( 0.590909, 0.627907 )
 text = "Score: %s"
 align = 2
-__meta__ = {
-"_edit_use_anchors_": false
-}