diff --git a/.gitignore b/.gitignore
index 5b88fa5..a433213 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,7 +14,6 @@ dist/
 downloads/
 eggs/
 .eggs/
-lib/
 lib64/
 parts/
 sdist/
@@ -171,12 +170,5 @@ cython_debug/
 .pypirc
 
 # Custom Omissions
-maps/*.tiled-project
-maps/*.tiled-session
-maps/*.tsx
-maps/*.tmx
-
-res/*.aseprite
-
 template.py
 test-demo.py
diff --git a/lib/__init__.py b/lib/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/lib/game_config.py b/lib/game_config.py
new file mode 100644
index 0000000..7a4556d
--- /dev/null
+++ b/lib/game_config.py
@@ -0,0 +1,44 @@
+
+"""
+game_config.py
+
+author: Caleb Scott
+
+Contains all constants needed to modify the game
+"""
+
+# CONSTANTS ---------------------------------------------------------
+
+# Sizing
+TILE_SCALE = 1.0
+
+# Screen constants
+SCREEN_WIDTH = 960
+SCREEN_HEIGHT = 960
+SCREEN_TITLE = "Miniopolis Demo"
+
+# World size
+WORLD_WIDTH = 960
+WORLD_HEIGHT = 640
+
+# Text placement
+TEXT_X = 10
+TEXT_Y = SCREEN_HEIGHT - 30
+TEXT_Y_WIDTH = 30
+
+# Resources/sprites
+RES = "res/"
+MINING_RES = RES + "miner.png"
+HOUSING_RES = RES + "housing.png"
+CROPS_RES = RES + "crops.png"
+LOGGER_RES = RES + "logger.png"
+HYDRO_RES = RES + "hydropower.png"
+FACTORY_RES = RES + "factory.png"
+
+# Maps dir + map presets
+MAPS = "maps/"
+TEST_MAP = MAPS + "default-map.json"
+
+# Layers for Map
+LAYER_STRUCTURES = "Structures"
+LAYER_ENVIRONMENT = "Environment"
diff --git a/lib/tiles.py b/lib/tiles.py
new file mode 100644
index 0000000..5879ce8
--- /dev/null
+++ b/lib/tiles.py
@@ -0,0 +1,80 @@
+"""
+tiles.py
+
+author: Caleb Scott
+
+Contains all classes of tiles used in miniopolis
+"""
+
+# IMPORTS -----------------------------------------------------------
+
+import arcade
+from game_config import *
+
+# CLASSES -----------------------------------------------------------
+
+class HousingTile(arcade.Sprite):
+
+    def __init__(self, x, y):
+        self.image_file_name = HOUSING_RES
+        super().__init__(self.image_file_name, TILE_SCALE)
+
+        # Set custom properties
+        self.properties["type"] = "HousingTile"
+        self.center_x = x
+        self.center_y = y
+
+class LoggerTile(arcade.Sprite):
+
+    def __init__(self, x, y):
+        self.image_file_name = LOGGER_RES
+        super().__init__(self.image_file_name, TILE_SCALE)
+
+        # Set custom properties
+        self.properties["type"] = "LoggerTile"
+        self.center_x = x
+        self.center_y = y
+
+class CropsTile(arcade.Sprite):
+
+    def __init__(self, x, y):
+        self.image_file_name = CROPS_RES
+        super().__init__(self.image_file_name, TILE_SCALE)
+
+        # Set custom properties
+        self.properties["type"] = "CropsTile"
+        self.center_x = x
+        self.center_y = y
+
+class HyroPowerTile(arcade.Sprite):
+
+    def __init__(self, x, y):
+        self.image_file_name = HYDRO_RES
+        super().__init__(self.image_file_name, TILE_SCALE)
+
+        # Set custom properties
+        self.properties["type"] = "HydroPowerTile"
+        self.center_x = x
+        self.center_y = y
+
+class MinerTile(arcade.Sprite):
+
+    def __init__(self, x, y):
+        self.image_file_name = MINING_RES
+        super().__init__(self.image_file_name, TILE_SCALE)
+
+        # Set custom properties
+        self.properties["type"] = "MinerTile"
+        self.center_x = x
+        self.center_y = y
+
+class FactoryTile(arcade.Sprite):
+
+    def __init__(self, x, y):
+        self.image_file_name = FACTORY_RES
+        super().__init__(self.image_file_name, TILE_SCALE)
+
+        # Set custom properties
+        self.properties["type"] = "FactoryTile"
+        self.center_x = x
+        self.center_y = y