diff --git a/.gitignore b/.gitignore
index cd1152c6e..254701447 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,3 +11,14 @@ checkpoints/
 # For PyCharm users
 .idea/
 
+# Virtual environment directories
+venv/
+env/
+ENV/
+
+# Python virtual environment specific files
+*.py[cod]
+__pycache__/
+pyvenv.cfg
+pip-log.txt
+pip-delete-this-directory.txt
\ No newline at end of file
diff --git a/mons/MonsGame.py b/mons/MonsGame.py
new file mode 100644
index 000000000..00718a39f
--- /dev/null
+++ b/mons/MonsGame.py
@@ -0,0 +1,121 @@
+from __future__ import print_function
+import sys
+sys.path.append('..')
+from Game import Game
+import numpy as np
+
+# TODO: implement
+
+class MonsGame(Game):
+    """
+    This class specifies the base Game class. To define your own game, subclass
+    this class and implement the functions below. This works when the game is
+    two-player, adversarial and turn-based.
+
+    Use 1 for player1 and -1 for player2.
+
+    See othello/OthelloGame.py for an example implementation.
+    """
+    def __init__(self):
+        pass
+
+    def getInitBoard(self):
+        """
+        Returns:
+            startBoard: a representation of the board (ideally this is the form
+                        that will be the input to your neural network)
+        """
+        pass
+
+    def getBoardSize(self):
+        """
+        Returns:
+            (x,y): a tuple of board dimensions
+        """
+        pass
+
+    def getActionSize(self):
+        """
+        Returns:
+            actionSize: number of all possible actions
+        """
+        pass
+
+    def getNextState(self, board, player, action):
+        """
+        Input:
+            board: current board
+            player: current player (1 or -1)
+            action: action taken by current player
+
+        Returns:
+            nextBoard: board after applying action
+            nextPlayer: player who plays in the next turn (should be -player)
+        """
+        pass
+
+    def getValidMoves(self, board, player):
+        """
+        Input:
+            board: current board
+            player: current player
+
+        Returns:
+            validMoves: a binary vector of length self.getActionSize(), 1 for
+                        moves that are valid from the current board and player,
+                        0 for invalid moves
+        """
+        pass
+
+    def getGameEnded(self, board, player):
+        """
+        Input:
+            board: current board
+            player: current player (1 or -1)
+
+        Returns:
+            r: 0 if game has not ended. 1 if player won, -1 if player lost,
+               small non-zero value for draw.
+               
+        """
+        pass
+
+    def getCanonicalForm(self, board, player):
+        """
+        Input:
+            board: current board
+            player: current player (1 or -1)
+
+        Returns:
+            canonicalBoard: returns canonical form of board. The canonical form
+                            should be independent of player. For e.g. in chess,
+                            the canonical form can be chosen to be from the pov
+                            of white. When the player is white, we can return
+                            board as is. When the player is black, we can invert
+                            the colors and return the board.
+        """
+        pass
+
+    def getSymmetries(self, board, pi):
+        """
+        Input:
+            board: current board
+            pi: policy vector of size self.getActionSize()
+
+        Returns:
+            symmForms: a list of [(board,pi)] where each tuple is a symmetrical
+                       form of the board and the corresponding pi vector. This
+                       is used when training the neural network from examples.
+        """
+        pass
+
+    def stringRepresentation(self, board):
+        """
+        Input:
+            board: current board
+
+        Returns:
+            boardString: a quick conversion of board to a string format.
+                         Required by MCTS for hashing.
+        """
+        pass