diff --git a/triple-dungeon/.github/workflows/ci.yml b/triple-dungeon/.github/workflows/ci.yml
new file mode 100644
index 0000000..dea89c5
--- /dev/null
+++ b/triple-dungeon/.github/workflows/ci.yml
@@ -0,0 +1,31 @@
+name: Continuous Integration (PEP8 Lint + pytest)
+
+on: push
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python 3.7
+      uses: actions/setup-python@v1
+      with:
+        python-version: 3.7
+    - name: Install pipenv & sync
+      run: |
+        # cd triple-dungeon
+        python -m pip install --upgrade pip
+        pip install pipenv
+        pipenv lock
+        pipenv sync
+    - name: Linting
+      run: |
+        pip install pycodestyle
+        # PyCharm sets line length at 120 chars
+        pycodestyle . --count --statistics --max-line-length=120
+    - name: Test with pytest
+      run: |
+        pip install pytest
+        pytest tests.py
\ No newline at end of file
diff --git a/triple-dungeon/.gitignore b/triple-dungeon/.gitignore
index d19812c..a80d927 100644
--- a/triple-dungeon/.gitignore
+++ b/triple-dungeon/.gitignore
@@ -1 +1,2 @@
-.idea/**
\ No newline at end of file
+.idea/**
+.pytest_cache
\ No newline at end of file
diff --git a/triple-dungeon/Pipfile b/triple-dungeon/Pipfile
index 2c24668..f754e3b 100644
--- a/triple-dungeon/Pipfile
+++ b/triple-dungeon/Pipfile
@@ -9,6 +9,7 @@ verify_ssl = true
 arcade = "*"
 networkx = "*"
 pathfinding = "*"
+pytest = "*"
 
 [requires]
 python_version = "3.7"
diff --git a/triple-dungeon/Pipfile.lock b/triple-dungeon/Pipfile.lock
index 2c2ea7a..e525a08 100644
--- a/triple-dungeon/Pipfile.lock
+++ b/triple-dungeon/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "072e8938371eb0a39830868ce97961536e15f31d82fcdf3019e870522684c661"
+            "sha256": "a4938aef96c9adc916384dca2f6b171095dc8fcbd90da0e757dfc73f1da98907"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -23,6 +23,14 @@
             "index": "pypi",
             "version": "==2.3.15"
         },
+        "atomicwrites": {
+            "hashes": [
+                "sha256:03472c30eb2c5d1ba9227e4c2ca66ab8287fbfbbda3888aa93dc2e28fc6811b4",
+                "sha256:75a9445bac02d8d058d5e1fe689654ba5a6556a1dfd8ce6ec55a0ed79866cfa6"
+            ],
+            "markers": "sys_platform == 'win32'",
+            "version": "==1.3.0"
+        },
         "attrs": {
             "hashes": [
                 "sha256:08a96c641c3a74e44eb59afb61a24f2cb9f4d7188748e76ba4bb5edfa3cb7d1c",
@@ -30,6 +38,14 @@
             ],
             "version": "==19.3.0"
         },
+        "colorama": {
+            "hashes": [
+                "sha256:7d73d2a99753107a36ac6b455ee49046802e59d9d076ef8e47b61499fa29afff",
+                "sha256:e96da0d330793e2cb9485e9ddfd918d456036c7149416295932478192f4436a1"
+            ],
+            "markers": "sys_platform == 'win32'",
+            "version": "==0.4.3"
+        },
         "decorator": {
             "hashes": [
                 "sha256:41fa54c2a0cc4ba648be4fd43cff00aedf5b9465c9bf18d64325bc225f08f760",
@@ -37,6 +53,21 @@
             ],
             "version": "==4.4.2"
         },
+        "importlib-metadata": {
+            "hashes": [
+                "sha256:2a688cbaa90e0cc587f1df48bdc97a6eadccdcd9c35fb3f976a09e3b5016d90f",
+                "sha256:34513a8a0c4962bc66d35b359558fd8a5e10cd472d37aec5f66858addef32c1e"
+            ],
+            "markers": "python_version < '3.8'",
+            "version": "==1.6.0"
+        },
+        "more-itertools": {
+            "hashes": [
+                "sha256:5dd8bcf33e5f9513ffa06d5ad33d78f31e1931ac9a18f33d37e77a180d393a7c",
+                "sha256:b1ddb932186d8a6ac451e1d95844b382f55e12686d51ca0c68b6f61f2ab7a507"
+            ],
+            "version": "==8.2.0"
+        },
         "networkx": {
             "hashes": [
                 "sha256:cdfbf698749a5014bf2ed9db4a07a5295df1d3a53bf80bf3cbd61edf9df05fa1",
@@ -71,6 +102,13 @@
             ],
             "version": "==1.18.3"
         },
+        "packaging": {
+            "hashes": [
+                "sha256:3c292b474fda1671ec57d46d739d072bfd495a4f51ad01a055121d81e952b7a3",
+                "sha256:82f77b9bee21c1bafbf35a84905d604d5d1223801d639cf3ed140bd651c08752"
+            ],
+            "version": "==20.3"
+        },
         "pathfinding": {
             "hashes": [
                 "sha256:3e3809abada1fdb292ced85cd7f63700c4f28a20f10eae68168a760be52ca746",
@@ -106,6 +144,20 @@
             ],
             "version": "==7.1.1"
         },
+        "pluggy": {
+            "hashes": [
+                "sha256:15b2acde666561e1298d71b523007ed7364de07029219b604cf808bfa1c765b0",
+                "sha256:966c145cd83c96502c3c3868f50408687b38434af77734af1e9ca461a4081d2d"
+            ],
+            "version": "==0.13.1"
+        },
+        "py": {
+            "hashes": [
+                "sha256:5e27081401262157467ad6e7f851b7aa402c5852dbcb3dae06768434de5752aa",
+                "sha256:c20fdd83a5dbc0af9efd622bee9a5564e278f6380fffcacc43ba6f43db2813b0"
+            ],
+            "version": "==1.8.1"
+        },
         "pyglet": {
             "hashes": [
                 "sha256:bd96b9c374a7192e4787f989e8f911719476c71476466a02312839e8cb6a0d4e",
@@ -113,11 +165,47 @@
             ],
             "version": "==1.5.3"
         },
+        "pyparsing": {
+            "hashes": [
+                "sha256:c203ec8783bf771a155b207279b9bccb8dea02d8f0c9e5f8ead507bc3246ecc1",
+                "sha256:ef9d7589ef3c200abe66653d3f1ab1033c3c419ae9b9bdb1240a85b024efc88b"
+            ],
+            "version": "==2.4.7"
+        },
+        "pytest": {
+            "hashes": [
+                "sha256:0e5b30f5cb04e887b91b1ee519fa3d89049595f428c1db76e73bd7f17b09b172",
+                "sha256:84dde37075b8805f3d1f392cc47e38a0e59518fb46a431cfdaf7cf1ce805f970"
+            ],
+            "index": "pypi",
+            "version": "==5.4.1"
+        },
         "pytiled-parser": {
             "hashes": [
                 "sha256:7664f5ed291fa51bad131c0f844f80c81ee604c768eb05ebe29530ddff4a0000"
             ],
             "version": "==0.9.3"
+        },
+        "six": {
+            "hashes": [
+                "sha256:236bdbdce46e6e6a3d61a337c0f8b763ca1e8717c03b369e87a7ec7ce1319c0a",
+                "sha256:8f3cd2e254d8f793e7f3d6d9df77b92252b52637291d0f0da013c76ea2724b6c"
+            ],
+            "version": "==1.14.0"
+        },
+        "wcwidth": {
+            "hashes": [
+                "sha256:cafe2186b3c009a04067022ce1dcd79cb38d8d65ee4f4791b8888d6599d1bbe1",
+                "sha256:ee73862862a156bf77ff92b09034fc4825dd3af9cf81bc5b360668d425f3c5f1"
+            ],
+            "version": "==0.1.9"
+        },
+        "zipp": {
+            "hashes": [
+                "sha256:aa36550ff0c0b7ef7fa639055d797116ee891440eac1a56f378e2d3179e0320b",
+                "sha256:c599e4d75c98f6798c509911d08a22e6c021d074469042177c8c86fb92eefd96"
+            ],
+            "version": "==3.1.0"
         }
     },
     "develop": {}
diff --git a/triple-dungeon/main.py b/triple-dungeon/main.py
index 02cff08..4d3b3d4 100644
--- a/triple-dungeon/main.py
+++ b/triple-dungeon/main.py
@@ -3,17 +3,17 @@ main.py
 The main class used to load the game.
 Holds the main game window, as well as manages basic functions for organizing the game.
 """
+
 import collections
+import math
 import random
 import time
 
 import arcade
-import math
 
 from config import Config
 from map import Dungeon
-from mobs import Player, Enemy
-from config import Config
+from mobs import Player
 from projectiles import Temp
 
 
@@ -45,23 +45,16 @@ class Game(arcade.Window):
         # Call the parent class and set up the window
         super().__init__(Config.SCREEN_WIDTH, Config.SCREEN_HEIGHT, Config.SCREEN_TITLE)
 
-        # These are 'lists' that keep track of our sprites. Each sprite should
-        # go into a list.
+        # Sprite Lists
         self.enemy_list = None
         self.bullet_list = None
         self.player = None
-
+        # Game Objects
         self.dungeon = None
-
-        # list to keep track of keypresses
-        self.prev_keypress = []
-
-        # Our physics engine
-        self.physics_engine = None
-
+        self.prev_keypress = []  # A list that assists with tracking keypress events
+        self.physics_engine = None  # Our physics engine
         # Used to keep track of our scrolling
-        self.view_bottom = 0
-        self.view_left = 0
+        self.view_bottom = self.view_left = 0
 
         arcade.set_background_color(arcade.color.BLACK)
 
@@ -74,7 +67,7 @@ class Game(arcade.Window):
         self.bullet_list = arcade.SpriteList()
 
         # Create the dungeon
-        self.dungeon = Dungeon(0, 8)
+        self.dungeon = Dungeon(0, 3)
 
         # Set up the player, specifically placing it at these coordinates.
         self.player = Player()
@@ -110,12 +103,16 @@ class Game(arcade.Window):
             self.enemy_list.draw()
             self.bullet_list.draw()
 
-            self.player.draw_hit_box()
-            x, y = self.player.center_x, self.player.center_y
-            arcade.draw_text(str((x, y)), x - 40, y + 50, arcade.color.WHITE, 15, font_name='Arial')
-            arcade.draw_text(f"FPS: {self.fps.get_fps():3.0f}", self.view_left + 50, self.view_bottom + 30,
-                             arcade.color.WHITE, 16, font_name='Arial')
-            self.fps.tick()
+            if Config.DEBUG:
+                x, y = self.player.position
+                tile = Config.TILE_WIDTH * Config.TILE_SCALING
+                arcade.draw_rectangle_outline(round(x / tile) * tile, round(y / tile) * tile, tile, tile,
+                                              arcade.color.RED)
+                self.player.draw_hit_box()
+                arcade.draw_text(str((x, y)), x - 40, y + 50, arcade.color.WHITE, 15, font_name='Arial')
+                arcade.draw_text(f"FPS: {self.fps.get_fps():3.0f}", self.view_left + 50, self.view_bottom + 30,
+                                 arcade.color.WHITE, 16, font_name='Arial')
+                self.fps.tick()
         except Exception:
             import traceback
             traceback.print_exc()
@@ -169,8 +166,8 @@ class Game(arcade.Window):
         bullet.center_y = start_y
 
         # Get from the mouse the destination location for the bullet
-        dest_x = x+self.view_left
-        dest_y = y+self.view_bottom
+        dest_x = x + self.view_left
+        dest_y = y + self.view_bottom
 
         # Do math to calculate how to get the bullet to the destination.
         # Calculation the angle in radians between the start points
@@ -245,10 +242,10 @@ class Game(arcade.Window):
 
             # If the bullet flies off-screen, remove it. TEMP change to range calc
             if (
-                bullet.bottom < self.view_bottom or
-                bullet.top > self.view_bottom+Config.SCREEN_HEIGHT or
-                bullet.right > self.view_left+Config.SCREEN_WIDTH or
-                bullet.left < self.view_left
+                    bullet.bottom < self.view_bottom or
+                    bullet.top > self.view_bottom + Config.SCREEN_HEIGHT or
+                    bullet.right > self.view_left + Config.SCREEN_WIDTH or
+                    bullet.left < self.view_left
             ):
                 bullet.remove_from_sprite_lists()
 
diff --git a/triple-dungeon/map.py b/triple-dungeon/map.py
index 10f09b0..8394d7b 100644
--- a/triple-dungeon/map.py
+++ b/triple-dungeon/map.py
@@ -7,12 +7,10 @@ Pathfinding will also depend on objects here, and is thus integral to it's funct
 from __future__ import annotations
 
 import json
-
 import arcade
 import numpy as np
 
 from itertools import chain
-
 from config import Config
 
 
diff --git a/triple-dungeon/resources/images/monsters/skeleton.png b/triple-dungeon/resources/images/monsters/skeleton.png
deleted file mode 100644
index ad492d3..0000000
Binary files a/triple-dungeon/resources/images/monsters/skeleton.png and /dev/null differ
diff --git a/triple-dungeon/sprites.py b/triple-dungeon/sprites.py
index 2b5f5f9..f1c216c 100644
--- a/triple-dungeon/sprites.py
+++ b/triple-dungeon/sprites.py
@@ -2,13 +2,13 @@
 sprites.py
 A file dedicated to managing sprites and animations for characters.
 """
-from itertools import cycle
 
 import arcade
 import os
 import re
 
-from typing import Pattern
+from typing import Pattern, Iterable
+from itertools import cycle
 
 
 class AnimationSet(object):
@@ -16,7 +16,7 @@ class AnimationSet(object):
     A class that helps assist with grabbing new animations from a set.
     """
 
-    def __init__(self, directory: str):
+    def __init__(self, directory: str) -> None:
         """
         Initializes the AnimationSet class by loading files and
 
@@ -26,7 +26,7 @@ class AnimationSet(object):
         self.directory = directory
         self.animations = os.listdir(directory)
 
-    def getAnimations(self, pattern: Pattern) -> iter:
+    def getAnimations(self, pattern: Pattern) -> Iterable[arcade.Texture]:
         """
         Loads all animations from the AnimationSet's directory that match the pattern.
         The pattern must have 1 group that specifies the animation's index.
@@ -56,7 +56,7 @@ class PlayerAnimations(AnimationSet):
     index: [0,) - The index of the animation. Index should be enumerated in ascending order.
     """
 
-    def __init__(self, directory: str):
+    def __init__(self, directory: str) -> None:
         """
         Initializes the PlayerAnimations class.
         """
diff --git a/triple-dungeon/tests.py b/triple-dungeon/tests.py
new file mode 100644
index 0000000..e0edd15
--- /dev/null
+++ b/triple-dungeon/tests.py
@@ -0,0 +1,134 @@
+"""
+tests.py
+A file dedicated to testing our game and ensuring it can run.
+Integrate this into your IDE's workflow to ensure the game runs from top to bottom.
+The tests used here should test all of our game's features as best they can.
+"""
+
+import pytest
+
+from typing import Pattern, List
+
+
+class TestGame:
+    """
+    Tests that the Arcade framework runs the game correctly.
+    Only tests that it launches and runs for a little bit, not that it is functioning properly.
+    """
+
+    def test_game_runs(self) -> None:
+        """
+        Simply test that the Game runs.
+        """
+
+        # imports
+        from main import Game
+
+        # instantiate and setup
+        game = Game()
+        game.setup()
+        game.minimize()  # Minimizes window, should reduce annoyance a little bit.
+        # test for 100 frames
+        game.test(20)
+
+
+class TestSprites:
+    """
+    Tests the Sprite classes as well as the available sprites.
+    """
+
+    @pytest.fixture
+    def sprites(self) -> List[str]:
+        """
+        :return: List of absolute paths to Sprite images
+        """
+
+        import os
+        BASE_DIR = os.path.dirname(os.path.abspath(__file__))
+        IMAGE_DIR = os.path.join(BASE_DIR, 'resources', 'images')
+
+        _sprites = []
+        for primary in os.listdir(IMAGE_DIR):
+            for secondary in os.listdir(os.path.join(IMAGE_DIR, primary)):
+                secondary = os.path.join(IMAGE_DIR, primary, secondary)
+                if os.path.isfile(secondary):
+                    _sprites.append(secondary)
+                else:
+                    _sprites.extend(
+                        os.path.join(secondary, file) for file in
+                        os.listdir(os.path.join(IMAGE_DIR, primary, secondary)))
+        return _sprites
+
+    @pytest.fixture
+    def patterns(self) -> List[Pattern]:
+        """
+        :return: A list of Pattern objects to test.
+        """
+        import re
+        _patterns = [
+            r'\w+_(?:\w+_)?\d+\.(?:jp(?:eg|e|g)|png)',
+            r'\w+\d+\.(?:jp(?:eg|e|g)|png)',
+            r'\w+_tile\.(?:jp(?:eg|e|g)|png)'
+        ]
+        return list(map(re.compile, _patterns))
+
+    def test_sprite_schema(self, sprites: List[str], patterns: List[Pattern]) -> None:
+        """
+        Tests that all sprites follow the naming conventions.
+        """
+        import os
+
+        for sprite in sprites:
+            head, tail = os.path.split(sprite)
+            if any(pattern.match(tail) is not None for pattern in patterns):
+                continue
+            pytest.fail(f"Sprite '{tail}' in '{head}' did not match the schema.")
+
+    def test_sprite_loads(self, sprites) -> None:
+        """
+        Tests that all sprites can be loaded by the arcade framework.
+        """
+        import arcade
+
+        for sprite in sprites:
+            _sprite = arcade.Sprite(sprite)
+
+
+class TestLevels:
+    """
+    Tests the Level class.
+    """
+
+    @pytest.fixture
+    def levels(self) -> List[str]:
+        """
+        :return: List of paths to Level files
+        """
+        import os
+
+        BASE_DIR = os.path.dirname(os.path.abspath(__file__))
+        LEVEL_DIR = os.path.join(BASE_DIR, 'resources', 'levels')
+        levels = [os.path.join(LEVEL_DIR, file) for file in os.listdir(LEVEL_DIR)]
+
+        return levels
+
+    def test_levels_are_loadable(self, levels) -> None:
+        """
+        Tests whether or not a level can be loaded.
+        """
+        from map import Level
+
+        for level in levels:
+            Level.load_file(2, 3, level)
+
+
+class TestDungeon:
+    """
+    Tests the Dungeon class.
+    """
+
+
+class TestMisc:
+    """
+    Tests things that don't fit anywhere else.
+    """