diff --git a/project.godot b/project.godot
index 439716e..bf1e982 100644
--- a/project.godot
+++ b/project.godot
@@ -17,7 +17,7 @@ warnings/check_angle_interpolation_type_conflicting=false
 
 config/name="Liberation of the Neighbourville"
 config/version="0.3.0"
-run/main_scene="uid://boxt0hfowqe66"
+run/main_scene="uid://bh1yiiv1fi0b8"
 config/features=PackedStringArray("4.4", "Forward Plus")
 config/icon="res://icon.png"
 config/windows_native_icon="res://icon.ico"
@@ -44,6 +44,12 @@ enabled=PackedStringArray()
 
 import/blender/enabled=false
 
+[global_group]
+
+Plants="Mostly player's means of defence"
+Zombies="Agressors of player"
+Projectile="Something that has ben shot"
+
 [gui]
 
 theme/custom_font="res://assets/fonts/pico12.ttf"
diff --git a/resources/plants/aloe.tres b/resources/plants/aloe.tres
index fcb0b68..0b41558 100644
--- a/resources/plants/aloe.tres
+++ b/resources/plants/aloe.tres
@@ -1,7 +1,8 @@
-[gd_resource type="Resource" script_class="SeedpacketResource" load_steps=3 format=3 uid="uid://d1nwlatkrtkpe"]
+[gd_resource type="Resource" script_class="SeedpacketResource" load_steps=4 format=3 uid="uid://d1nwlatkrtkpe"]
 
 [ext_resource type="Script" uid="uid://dtjdfji87kybn" path="res://scripts/resources/entity_resource.gd" id="1_giqbo"]
 [ext_resource type="Texture2D" uid="uid://d4btl7vqi4v0q" path="res://assets/sprites/plants/aloe.tres" id="1_qou1a"]
+[ext_resource type="PackedScene" uid="uid://dba4s3ke32u0l" path="res://scenes/plants/aloe.tscn" id="2_6p2kr"]
 
 [resource]
 script = ExtResource("1_giqbo")
@@ -9,5 +10,6 @@ preview = ExtResource("1_qou1a")
 cost = 75.0
 recharge_time = 5.0
 initial_recharge_percent = 1.0
+scene = ExtResource("2_6p2kr")
 order = 0
 metadata/_custom_type_script = "uid://dtjdfji87kybn"
diff --git a/scenes/gui/plants_pick_test.tscn b/scenes/gui/plants_pick_test.tscn
deleted file mode 100644
index bbd6c7d..0000000
--- a/scenes/gui/plants_pick_test.tscn
+++ /dev/null
@@ -1,34 +0,0 @@
-[gd_scene load_steps=4 format=3 uid="uid://boxt0hfowqe66"]
-
-[ext_resource type="Script" uid="uid://crlumefuo1biu" path="res://scripts/gui/plant_pick/seedpacket_generator.gd" id="1_celhi"]
-[ext_resource type="Script" uid="uid://co3yto3q7mnm7" path="res://scripts/level/level_data.gd" id="2_pdbkq"]
-[ext_resource type="Script" uid="uid://cbrhnb4tp4pem" path="res://scripts/gui/hotbar.gd" id="3_qyndx"]
-
-[node name="PlantsPickTest" type="Control"]
-layout_mode = 3
-anchors_preset = 15
-anchor_right = 1.0
-anchor_bottom = 1.0
-grow_horizontal = 2
-grow_vertical = 2
-
-[node name="GridContainer" type="GridContainer" parent="."]
-layout_mode = 0
-anchor_left = 0.27
-anchor_top = 0.48
-anchor_right = 0.74
-anchor_bottom = 0.94
-columns = 3
-script = ExtResource("1_celhi")
-metadata/_edit_use_anchors_ = true
-
-[node name="LevelData" type="Node" parent="."]
-script = ExtResource("2_pdbkq")
-
-[node name="HBoxContainer" type="HBoxContainer" parent="."]
-layout_mode = 0
-offset_left = 69.0
-offset_top = 12.0
-offset_right = 479.0
-offset_bottom = 75.0
-script = ExtResource("3_qyndx")
diff --git a/scenes/gui/seedpacket.tscn b/scenes/gui/seedpacket.tscn
index 810d4c0..c0a72ab 100644
--- a/scenes/gui/seedpacket.tscn
+++ b/scenes/gui/seedpacket.tscn
@@ -137,5 +137,6 @@ grow_vertical = 2
 texture = SubResource("AtlasTexture_gtmhg")
 
 [node name="RechargeTimer" type="Timer" parent="."]
+one_shot = true
 
 [connection signal="pressed" from="TextureButton" to="." method="on_pressed"]
diff --git a/scenes/levels/standard_level.tscn b/scenes/levels/standard_level.tscn
new file mode 100644
index 0000000..809492b
--- /dev/null
+++ b/scenes/levels/standard_level.tscn
@@ -0,0 +1,71 @@
+[gd_scene load_steps=9 format=3 uid="uid://bh1yiiv1fi0b8"]
+
+[ext_resource type="Texture2D" uid="uid://b0tb2hjum40aw" path="res://assets/sprites/background_summer.png" id="1_3bchh"]
+[ext_resource type="Script" uid="uid://cj8mt02far5np" path="res://scripts/level/field_rect_offsetter.gd" id="1_4dbyi"]
+[ext_resource type="Script" uid="uid://cyttjwv888cb4" path="res://scripts/level/layered_entity_container.gd" id="1_ia5ss"]
+[ext_resource type="Script" uid="uid://co3yto3q7mnm7" path="res://scripts/level/level_data.gd" id="1_ssqyj"]
+[ext_resource type="Script" uid="uid://sjnxv5q4yk2" path="res://scripts/level/seedpacket_placer.gd" id="4_5r585"]
+[ext_resource type="Script" uid="uid://crlumefuo1biu" path="res://scripts/gui/plant_pick/seedpacket_generator.gd" id="6_2y6d3"]
+[ext_resource type="Script" uid="uid://cbrhnb4tp4pem" path="res://scripts/gui/plant_pick/hotbar.gd" id="7_e4b3h"]
+[ext_resource type="Script" uid="uid://60lwfjb634kd" path="res://scripts/gui/plant_pick/go_button.gd" id="8_e4b3h"]
+
+[node name="StandardLevel" type="Node"]
+
+[node name="Data" type="Node" parent="."]
+script = ExtResource("1_ssqyj")
+metadata/_custom_type_script = "uid://co3yto3q7mnm7"
+
+[node name="LayeredEntityContainer" type="Node" parent="."]
+script = ExtResource("1_ia5ss")
+
+[node name="Game" type="Node2D" parent="."]
+
+[node name="Field Start" type="Marker2D" parent="Game"]
+position = Vector2(305, 76)
+script = ExtResource("1_4dbyi")
+metadata/_edit_lock_ = true
+
+[node name="SeedpacketPlacer" type="CanvasGroup" parent="Game" node_paths=PackedStringArray("entity_container")]
+script = ExtResource("4_5r585")
+entity_container = NodePath("../../LayeredEntityContainer")
+
+[node name="Plants" type="Node2D" parent="Game"]
+unique_name_in_owner = true
+
+[node name="Background" type="CanvasLayer" parent="Game"]
+layer = -10
+follow_viewport_enabled = true
+
+[node name="BackgroundSummer" type="Sprite2D" parent="Game/Background"]
+texture = ExtResource("1_3bchh")
+centered = false
+metadata/_edit_lock_ = true
+
+[node name="Camera2D" type="Camera2D" parent="Game"]
+position = Vector2(517, 206)
+
+[node name="User Interface" type="CanvasLayer" parent="."]
+layer = 5
+metadata/_edit_lock_ = true
+
+[node name="GridContainer" type="GridContainer" parent="User Interface"]
+offset_left = -1.0
+offset_top = 216.0
+offset_right = 257.0
+offset_bottom = 401.0
+columns = 5
+script = ExtResource("6_2y6d3")
+
+[node name="Hotbar" type="HBoxContainer" parent="User Interface"]
+offset_left = -1.0
+offset_top = -2.0
+offset_right = 365.0
+offset_bottom = 65.0
+script = ExtResource("7_e4b3h")
+
+[node name="Button" type="Button" parent="User Interface"]
+offset_top = 178.0
+offset_right = 124.0
+offset_bottom = 210.0
+text = "next state"
+script = ExtResource("8_e4b3h")
diff --git a/scenes/plants/aloe.tscn b/scenes/plants/aloe.tscn
new file mode 100644
index 0000000..db2640a
--- /dev/null
+++ b/scenes/plants/aloe.tscn
@@ -0,0 +1,15 @@
+[gd_scene load_steps=3 format=3 uid="uid://dba4s3ke32u0l"]
+
+[ext_resource type="Texture2D" uid="uid://d4btl7vqi4v0q" path="res://assets/sprites/plants/aloe.tres" id="1_38l32"]
+[ext_resource type="Script" uid="uid://bwdvaov8sse4k" path="res://scripts/entities/entity.gd" id="1_yhqjp"]
+
+[node name="Aloe" type="Node2D" groups=["Plants"]]
+
+[node name="Entity" type="Node" parent="."]
+script = ExtResource("1_yhqjp")
+max_hp = 30.0
+layer = &"base"
+metadata/_custom_type_script = "uid://bwdvaov8sse4k"
+
+[node name="Sprite2D" type="Sprite2D" parent="."]
+texture = ExtResource("1_38l32")
diff --git a/scripts/autoloads/level_event_bus.gd b/scripts/autoloads/level_event_bus.gd
index a05e765..77f3166 100644
--- a/scripts/autoloads/level_event_bus.gd
+++ b/scripts/autoloads/level_event_bus.gd
@@ -20,6 +20,11 @@ signal entity_killed(context : Entity.KilledContext)
 ## Called for every entity that gets damage
 signal entity_hp_changed(context : Entity.HPChangedContext)
 
+## Called for every entity that has layer set that enters game
+signal layer_entity_created(entity : Entity)
+## Called for every entity that has layer set that exits game
+signal layer_entity_killed(entity : Entity.KilledContext)
+
 #endregion
 
 #region Seedpacket manipulation
@@ -27,6 +32,9 @@ signal entity_hp_changed(context : Entity.HPChangedContext)
 ## Called when player selects SeedpacketResource
 signal packet_selected(resource : SeedpacketResource)
 
+## Called when player deselects (usually loses focus) SeedpacketResource
+signal packet_deselected(resource : SeedpacketResource)
+
 ## Called when selected packets are updated
 signal hotbar_packets_update(selected : Array[SeedpacketResource])
 #endregion
diff --git a/scripts/autoloads/player_progress.gd b/scripts/autoloads/player_progress.gd
new file mode 100644
index 0000000..c6b6a00
--- /dev/null
+++ b/scripts/autoloads/player_progress.gd
@@ -0,0 +1,4 @@
+extends Node
+
+var seedpacket_count : int
+var owned_plants : Array[SeedpacketResource]
diff --git a/scripts/autoloads/player_progress.gd.uid b/scripts/autoloads/player_progress.gd.uid
new file mode 100644
index 0000000..46584fb
--- /dev/null
+++ b/scripts/autoloads/player_progress.gd.uid
@@ -0,0 +1 @@
+uid://cjxsn8khrawb4
diff --git a/scripts/entities/entity.gd b/scripts/entities/entity.gd
index fe9b860..2121b9b 100644
--- a/scripts/entities/entity.gd
+++ b/scripts/entities/entity.gd
@@ -5,6 +5,8 @@ class_name Entity
 
 ## Maximum health points of an entity. Any heal cannot exceed this value
 @export var max_hp : float
+## Optional spawn layer for grid interactions
+@export var layer : StringName = ""
 ## Current amount of health points of an entity. Cannot be below 0 or [code]max_hp[/code]
 var hp : float = max_hp
 
@@ -67,6 +69,10 @@ func kill(source : Entity):
 	context.target = self
 	killed.emit(context)
 	
+	LevelEventBus.entity_killed.emit(context)
+	if not layer.is_empty():
+		LevelEventBus.layer_entity_killed.emit(context)
+	
 	deconstruct()
 
 
diff --git a/scripts/gui/plant_pick/go_button.gd b/scripts/gui/plant_pick/go_button.gd
new file mode 100644
index 0000000..0b5914a
--- /dev/null
+++ b/scripts/gui/plant_pick/go_button.gd
@@ -0,0 +1,5 @@
+extends Button
+
+
+func _pressed() -> void:
+	LevelEventBus.state_advance_requested.emit()
diff --git a/scripts/gui/plant_pick/go_button.gd.uid b/scripts/gui/plant_pick/go_button.gd.uid
new file mode 100644
index 0000000..3809c87
--- /dev/null
+++ b/scripts/gui/plant_pick/go_button.gd.uid
@@ -0,0 +1 @@
+uid://60lwfjb634kd
diff --git a/scripts/gui/hotbar.gd b/scripts/gui/plant_pick/hotbar.gd
similarity index 100%
rename from scripts/gui/hotbar.gd
rename to scripts/gui/plant_pick/hotbar.gd
diff --git a/scripts/gui/hotbar.gd.uid b/scripts/gui/plant_pick/hotbar.gd.uid
similarity index 100%
rename from scripts/gui/hotbar.gd.uid
rename to scripts/gui/plant_pick/hotbar.gd.uid
diff --git a/scripts/gui/seedpacket/hotbar_handler.gd b/scripts/gui/seedpacket/hotbar_handler.gd
index 5fc311d..9fa2e5f 100644
--- a/scripts/gui/seedpacket/hotbar_handler.gd
+++ b/scripts/gui/seedpacket/hotbar_handler.gd
@@ -29,4 +29,4 @@ func on_level_state_changed(state : LevelData.LevelStates):
 
 func on_sun_count_updated(to : float):
 	enough_sun = to >= seedpacket.held_resource.cost
-	
+	seedpacket.update_contents()
diff --git a/scripts/gui/seedpacket/seedpacket.gd b/scripts/gui/seedpacket/seedpacket.gd
index 19b40c3..1409530 100644
--- a/scripts/gui/seedpacket/seedpacket.gd
+++ b/scripts/gui/seedpacket/seedpacket.gd
@@ -16,6 +16,9 @@ class_name Seedpacket
 var held_resource : SeedpacketResource
 var handler : SeedpacketHandler
  
+func _ready() -> void:
+	focus_exited.connect(on_focus_exited)
+
 func _process(_delta: float) -> void:
 	button.disabled = recharge_timer.time_left > 0 or handler.is_avaiable() == false
 
@@ -45,3 +48,6 @@ func on_packet_placed(packet : SeedpacketResource):
 func disconnect_placement():
 	LevelEventBus.packet_placed.disconnect(on_packet_placed)
 	focus_exited.disconnect(disconnect_placement)
+
+func on_focus_exited():
+	LevelEventBus.packet_deselected.emit(held_resource)
diff --git a/scripts/level/field_rect_offsetter.gd b/scripts/level/field_rect_offsetter.gd
new file mode 100644
index 0000000..4c415b6
--- /dev/null
+++ b/scripts/level/field_rect_offsetter.gd
@@ -0,0 +1,6 @@
+extends Marker2D
+
+
+func _ready() -> void:
+	FieldParams.field_rect.position = global_position
+	queue_free()
diff --git a/scripts/level/field_rect_offsetter.gd.uid b/scripts/level/field_rect_offsetter.gd.uid
new file mode 100644
index 0000000..c4fcccd
--- /dev/null
+++ b/scripts/level/field_rect_offsetter.gd.uid
@@ -0,0 +1 @@
+uid://cj8mt02far5np
diff --git a/scripts/level/layered_entity_container.gd b/scripts/level/layered_entity_container.gd
new file mode 100644
index 0000000..031e800
--- /dev/null
+++ b/scripts/level/layered_entity_container.gd
@@ -0,0 +1,37 @@
+extends Node
+
+class_name LayeredEntityContainer
+
+var entities := {
+	"under" : [],
+	"base"  : [],
+	"above" : []
+}
+
+func _ready() -> void:
+	LevelEventBus.layer_entity_created.connect(on_entity_spawned)
+	LevelEventBus.layer_entity_killed.connect(on_entity_killed)
+	
+	for layer in entities.keys():
+		entities[layer].resize(FieldParams.COLUMNS * FieldParams.ROWS)
+
+## Checks if tile is occupied. [br]
+## If position or layer are invalid, returns true
+func is_occupied(position : int, layer : StringName) -> bool:
+	if position >= FieldParams.COLUMNS * FieldParams.ROWS or entities.has(layer) == false: return true
+	return not entities[layer][position] == null
+
+func on_entity_spawned(entity : Entity) -> void:
+	if entities.has(entity.layer) == false: return
+	
+	var index = FieldParams.indexify(entity.get_parent().global_position)
+	if index >= FieldParams.COLUMNS * FieldParams.ROWS or is_occupied(index,entity.layer): return
+	
+	entities[entity.layer][index] = entity
+
+func on_entity_killed(context : Entity.KilledContext) -> void:
+	var entity = context.target
+	var index = FieldParams.indexify(entity.get_parent().global_position)
+	if is_occupied(index,entity.layer) == false: return
+	
+	entities[entity.layer][index] = null
diff --git a/scripts/level/layered_entity_container.gd.uid b/scripts/level/layered_entity_container.gd.uid
new file mode 100644
index 0000000..f31f728
--- /dev/null
+++ b/scripts/level/layered_entity_container.gd.uid
@@ -0,0 +1 @@
+uid://cyttjwv888cb4
diff --git a/scripts/level/level_data.gd b/scripts/level/level_data.gd
index 2cacf7c..9dbb10e 100644
--- a/scripts/level/level_data.gd
+++ b/scripts/level/level_data.gd
@@ -3,12 +3,35 @@ extends Node
 class_name LevelData
 
 static var state : LevelStates = LevelStates.NotInGame
-static var sun_count : float
+static var sun_count : float = 100
 
 var hotbar_seedpackets : Array[SeedpacketResource]
 
 func _ready() -> void:
-	LevelEventBus.packet_selected.connect(on_seedpacket_clicked)
+	set_state(LevelStates.PlantPick)
+	LevelEventBus.state_advance_requested.connect(advance_state)
+	LevelEventBus.packet_placed.connect(on_packet_placed)
+
+func _exit_tree() -> void:
+	set_state(LevelStates.NotInGame)
+
+func advance_state() -> void:
+	set_state(state + 1)
+
+func set_state(to : LevelStates):
+	state = to
+	match state:
+		LevelStates.PlantPick:
+			LevelEventBus.packet_selected.connect(on_seedpacket_clicked)
+		LevelStates.Pregame:
+			LevelEventBus.packet_selected.disconnect(on_seedpacket_clicked)
+		LevelStates.Game:
+			pass
+		LevelStates.Postgame:
+			pass
+		LevelStates.NotInGame:
+			pass
+	LevelEventBus.state_changed.emit(state)
 
 func on_seedpacket_clicked(seedpacket : SeedpacketResource):
 	if hotbar_seedpackets.has(seedpacket):
@@ -17,6 +40,11 @@ func on_seedpacket_clicked(seedpacket : SeedpacketResource):
 		hotbar_seedpackets.append(seedpacket)
 	LevelEventBus.hotbar_packets_update.emit(hotbar_seedpackets)
 
+func on_packet_placed(seedpacket : SeedpacketResource):
+	print(seedpacket)
+	sun_count -= seedpacket.cost
+	LevelEventBus.sun_count_updated.emit(sun_count)
+
 ## Possible states of level 
 enum LevelStates {
 	## The game is during plant pick stage
@@ -27,6 +55,6 @@ enum LevelStates {
 	Game,
 	## Game ended
 	Postgame,
-	## Not in a level,
+	## Not in a level
 	NotInGame
 }
diff --git a/scripts/level/seedpacket_placer.gd b/scripts/level/seedpacket_placer.gd
new file mode 100644
index 0000000..a934670
--- /dev/null
+++ b/scripts/level/seedpacket_placer.gd
@@ -0,0 +1,51 @@
+extends CanvasGroup
+
+@export var entity_container : LayeredEntityContainer
+var can_plant : bool = false
+var held_packet : SeedpacketResource = null
+
+func _ready() -> void:
+	LevelEventBus.state_changed.connect(on_level_state_changed)
+	LevelEventBus.packet_deselected.connect(on_seedpacket_deselected)
+
+func _process(_delta: float) -> void:
+	var mouse_pos = get_global_mouse_position()
+	var indexified_mouse = FieldParams.indexify(mouse_pos - FieldParams.field_rect.position)
+	if FieldParams.field_rect.has_point(mouse_pos) and entity_container.is_occupied(indexified_mouse,"base") == false:
+		global_position = FieldParams.deindexify(indexified_mouse) + FieldParams.TILE / 2.0 + FieldParams.field_rect.position
+		can_plant = true
+	else:
+		global_position = mouse_pos
+		can_plant = false
+
+func _input(event: InputEvent) -> void:
+	if held_packet != null and event.is_action_pressed("cancel_action"):
+		stop_placement()
+		
+	if held_packet != null and can_plant and event.is_action_pressed("primary_action"):
+		for child in get_children():
+			child.reparent(get_tree().current_scene.get_node("%Plants"))
+		LevelEventBus.packet_placed.emit(held_packet)
+		held_packet = null
+		visible = false
+
+func on_seedpacket_selected(packet : SeedpacketResource) -> void:
+	add_child(packet.scene.instantiate())
+	held_packet = packet
+	visible = true
+
+func on_seedpacket_deselected(packet : SeedpacketResource) -> void:
+	if packet == held_packet:
+		stop_placement()
+
+func on_level_state_changed(state : LevelData.LevelStates) -> void:
+	if state == LevelData.LevelStates.Game:
+		LevelEventBus.state_changed.disconnect(on_level_state_changed)
+		LevelEventBus.packet_selected.connect(on_seedpacket_selected)
+
+
+func stop_placement():
+	for child in get_children():
+		child.queue_free()
+	held_packet = null
+	visible = false
diff --git a/scripts/level/seedpacket_placer.gd.uid b/scripts/level/seedpacket_placer.gd.uid
new file mode 100644
index 0000000..aba7ab2
--- /dev/null
+++ b/scripts/level/seedpacket_placer.gd.uid
@@ -0,0 +1 @@
+uid://sjnxv5q4yk2
diff --git a/scripts/utility/field_params.gd b/scripts/utility/field_params.gd
new file mode 100644
index 0000000..4a01d2b
--- /dev/null
+++ b/scripts/utility/field_params.gd
@@ -0,0 +1,23 @@
+extends Node
+
+## Utility class for field parameters and connected functions
+
+class_name FieldParams
+
+## Tile size
+const TILE : Vector2 = Vector2(50,60)
+## Rows count of field
+const ROWS : int = 5
+## Columns count of field
+const COLUMNS : int = 9
+
+## Field rectangle. Origin is set in-game
+static var field_rect : Rect2 = Rect2(0,0,COLUMNS*TILE.x,ROWS*TILE.y)
+
+## Converts vector position into int index. Hash somewhat
+static func indexify(position : Vector2) -> int:
+	var tiled_position = (position/TILE).floor()
+	return int(tiled_position.x) + int(tiled_position.y * COLUMNS)
+
+static func deindexify(index : int) -> Vector2:
+	return Vector2(index % COLUMNS  * TILE.x, index / COLUMNS * TILE.y)
diff --git a/scripts/utility/field_params.gd.uid b/scripts/utility/field_params.gd.uid
new file mode 100644
index 0000000..2ca2c7c
--- /dev/null
+++ b/scripts/utility/field_params.gd.uid
@@ -0,0 +1 @@
+uid://dnsvj0t3oe3ke