diff --git a/display_assets.py b/display_assets.py
index 5c57547..b3fb554 100644
--- a/display_assets.py
+++ b/display_assets.py
@@ -3,6 +3,28 @@ import pygame
 import project_constants as const
 
 
+# ================================= #
+# === SO THE OLD BLITTING WORKS === #
+# ================================= #
+
+tile_asset_options = {
+    "BLUE": const.ASSET_TILE_BLUE,
+    "GREEN": const.ASSET_TILE_GREEN,
+    "ORANGE": const.ASSET_TILE_ORANGE,
+    "PURPLE": const.ASSET_TILE_PURPLE,
+    "RED": const.ASSET_TILE_RED,
+    "WHITE": const.ASSET_TILE_WHITE,
+    "YELLOW": const.ASSET_TILE_YELLOW
+}
+
+mine_asset_options = {
+    'A': const.ASSET_MINE_A,
+    'B': const.ASSET_MINE_B,
+    'F': const.ASSET_MINE_F,
+    'K': const.ASSET_MINE_K
+}
+
+
 # ====================== #
 # === MAIN FUNCTIONS === #
 # ====================== #
@@ -34,8 +56,26 @@ def blit_graphics(minefield):
         )
     )
 
-    # draw tiles and mines from minefield
-    minefield.draw(const.SCREEN)
+    for row in minefield.matrix:
+        for tile in row:
+
+            # calculate tile position on the screen
+            tile_screen_coords = calculate_screen_position(tile.position)
+
+            # draw a tile
+            const.SCREEN.blit(
+                tile_asset_options.get(tile.color),
+                tile_screen_coords
+            )
+
+            # darkening every other tile
+            if (tile.position[0]+tile.position[1]) % 2 == 0:
+                pass    # darken_tile(tile.position)
+
+            # draw a mine on top if there is one
+            if tile.mine is not None:
+                # current icons don't represent actual types, thus every mine has the same icon (temporary solution)
+                const.SCREEN.blit(mine_asset_options['A'], tile_screen_coords)
 
     # all the tests in one place
     test_blits()
@@ -60,6 +100,18 @@ def calculate_screen_position(coords):
     return coords
 
 
+def darken_tile(coords):
+
+    shadow = pygame.Surface((const.V_TILE_SIZE, const.V_TILE_SIZE))
+    shadow.fill((220, 220, 220))
+
+    const.SCREEN.blit(
+        shadow,
+        calculate_screen_position(coords),
+        special_flags=pygame.BLEND_RGB_MULT
+    )
+
+
 # ============== #
 # === SAPPER === #
 # ============== #
diff --git a/minefield.py b/minefield.py
index 070b7fb..dea6f4b 100644
--- a/minefield.py
+++ b/minefield.py
@@ -7,24 +7,6 @@ from mine_models import time_mine as tm
 from mine_models import chained_mine as cm
 
 
-tile_asset_options = {
-    "BLUE": const.ASSET_TILE_BLUE,
-    "GREEN": const.ASSET_TILE_GREEN,
-    "ORANGE": const.ASSET_TILE_ORANGE,
-    "PURPLE": const.ASSET_TILE_PURPLE,
-    "RED": const.ASSET_TILE_RED,
-    "WHITE": const.ASSET_TILE_WHITE,
-    "YELLOW": const.ASSET_TILE_YELLOW
-}
-
-mine_asset_options = {
-    'A': const.ASSET_MINE_A,
-    'B': const.ASSET_MINE_B,
-    'F': const.ASSET_MINE_F,
-    'K': const.ASSET_MINE_K
-}
-
-
 class Minefield:
     def __init__(self, json_path):
         self.turn = 0
@@ -56,34 +38,6 @@ class Minefield:
 
                 self.matrix[row][column].color = tile_data["color"].upper()
 
-    @staticmethod
-    def calculate_screen_position(row, column):
-        coords = (
-            const.V_NUMBER_PADDING + const.V_SCREEN_PADDING + const.V_TILE_SIZE * column,
-            const.V_NUMBER_PADDING + const.V_SCREEN_PADDING + const.V_TILE_SIZE * row,
-        )
-
-        return coords
-
-    def draw(self, window):
-        # iterate through tiles
-        for row in self.matrix:
-            for tile in row:
-
-                # calculate tile position on the screen
-                tile_screen_coords = self.calculate_screen_position(tile.position[0], tile.position[1])
-
-                # draw a tile
-                window.blit(tile_asset_options.get(tile.color), tile_screen_coords)
-
-                # draw a mine on top if there is one
-                if tile.mine is not None:
-                    # TODO: blit appropriate mine type
-                    # current icons don't represent actual types, thus every mine has the same icon (temporary solution)
-                    window.blit(mine_asset_options['A'], tile_screen_coords)
-
-        # draw the sapper has been moved to main
-
     # ================ #
     # === MOVEMENT === #
     # ================ #
@@ -92,9 +46,8 @@ class Minefield:
     # If Agent comes upon a tile with a mine his starting position shall be reestablished
     def is_valid_move(self, target_row: int, target_column: int):
         if 0 <= target_row < const.V_GRID_VER_TILES \
-            and 0 <= target_column < const.V_GRID_HOR_TILES \
+                and 0 <= target_column < const.V_GRID_HOR_TILES \
                 and self.matrix[target_row][target_column].mine is None:
-
             return True
 
         return False