diff --git a/configs/blocks_ADD_000.json b/configs/blocks_ADD_000.json
index 78eb71f..59e5af7 100644
--- a/configs/blocks_ADD_000.json
+++ b/configs/blocks_ADD_000.json
@@ -3,6 +3,14 @@
     "__type__": "EnumClass",
     "name": "BlockType",
     "members": {
+      "D": {
+        "name": "Dot",
+        "color": [255, 255, 100],
+        "min_score": 3500,
+        "shapes": [
+          [[1]]
+        ]
+      },
       "U": {
         "name": "U-Shape",
         "color": [135, 135, 135],
diff --git a/das_tetris_gui.py b/das_tetris_gui.py
index 9d18245..f77e9c1 100644
--- a/das_tetris_gui.py
+++ b/das_tetris_gui.py
@@ -63,15 +63,15 @@ class TetrisGame:
         # Initialize game
         self.spawn_piece()
 
-    def get_block_min_score(self, block_type: cfg.BlockType) -> int:
+    def get_block_min_score(self, block_type: BLOCK_TYPE) -> int:
         """Get minimal score of block to be shown"""
         return block_type.value['min_score']
 
-    def get_block_shapes(self, block_type: cfg.BlockType) -> List[List[List[int]]]:
+    def get_block_shapes(self, block_type: BLOCK_TYPE) -> List[List[List[int]]]:
         """Get all rotation shapes for a block type"""
         return block_type.value['shapes']
 
-    def get_block_color(self, block_type: cfg.BlockType) -> Tuple[int, int, int]:
+    def get_block_color(self, block_type: BLOCK_TYPE) -> Tuple[int, int, int]:
         """Get color for a block type"""
         return block_type.value['color']
 
@@ -97,18 +97,18 @@ class TetrisGame:
                                     self.current_block_rotation, self.current_block):
             self.game_over = True
 
-    def choice_random_block(self) -> cfg.BlockType:
-        block: cfg.BlockType = random.choice(list(cfg.BlockType))
+    def choice_random_block(self) -> BLOCK_TYPE:
+        block: BLOCK_TYPE = random.choice(list(BLOCK_TYPE))
         while self.get_block_min_score(block) > self.score:
-            block = random.choice(list(cfg.BlockType))
+            block = random.choice(list(BLOCK_TYPE))
         return block
 
-    def get_block_shape(self, block_type: cfg.BlockType, rotation: int) -> List[List[int]]:
+    def get_block_shape(self, block_type: BLOCK_TYPE, rotation: int) -> List[List[int]]:
         """Get the shape matrix for a block at specific rotation"""
         shapes = self.get_block_shapes(block_type)
         return shapes[rotation % len(shapes)]
 
-    def can_place_block(self, x: int, y: int, rotation: int, block_type: cfg.BlockType) -> bool:
+    def can_place_block(self, x: int, y: int, rotation: int, block_type: BLOCK_TYPE) -> bool:
         """Check if a block can be placed at given position"""
         shape = self.get_block_shape(block_type, rotation)
 
@@ -130,7 +130,7 @@ class TetrisGame:
 
         return True
 
-    def place_block(self, x: int, y: int, rotation: int, block_type: cfg.BlockType, block_id: int):
+    def place_block(self, x: int, y: int, rotation: int, block_type: BLOCK_TYPE, block_id: int):
         """Place a block on the field"""
         shape = self.get_block_shape(block_type, rotation)
 
@@ -176,7 +176,7 @@ class TetrisGame:
             # Block can't move down, place it
             self.place_block(self.current_block_x, self.current_block_y,
                              self.current_block_rotation, self.current_block,
-                             list(cfg.BlockType).index(self.current_block) + 1)
+                             list(BLOCK_TYPE).index(self.current_block) + 1)
 
             # Check for complete lines
             self.clear_lines()
@@ -348,7 +348,7 @@ class TetrisRenderer:
         for row_idx, row in enumerate(game.field):
             for col_idx, cell in enumerate(row):
                 if cell != 0:
-                    block_type = list(cfg.BlockType)[cell - 1]
+                    block_type = list(BLOCK_TYPE)[cell - 1]
                     color = game.get_block_color(block_type)
                     x = self.field_x + col_idx * self.block_size
                     y = self.field_y + row_idx * self.block_size
diff --git a/tetris_config.py b/tetris_config.py
index 113d55f..eb74825 100644
--- a/tetris_config.py
+++ b/tetris_config.py
@@ -23,6 +23,7 @@ class BlockType(Enum):
     """
       Define block types with their shapes and colors
       All shapes draws starting in top left corner from left to right
+      Every line mean the share rotated in clockwise direction
     """
     O = {
         'name': 'Square',
@@ -95,47 +96,6 @@ class BlockType(Enum):
             [[0, 1], [1, 1], [0, 1]]
         ]
     }
-    U = {
-        'name': 'U-Shape',
-        'color': (135, 135, 135),  # Change color
-        'min_score': 4500,
-        'shapes': [
-            [[1, 0, 1], [1, 1, 1]],
-            [[1, 1], [1, 0], [1, 1]],
-            [[1, 1, 1], [1, 0, 1]],
-            [[1, 1], [0, 1], [1, 1]]
-        ]
-    }
-    # T1 = {
-    #     'name': 'T-Shape+',
-    #     'color': (200, 200, 200), # Change color
-    #     'min_score': 10000,
-    #     'shapes': [
-    #         [[1, 1, 1], [0, 1, 0], [0, 1, 0]],
-    #         [[0, 0, 1], [1, 1, 1], [0, 0, 1]],
-    #         [[0, 1, 0], [0, 1, 0], [1, 1, 1]],
-    #         [[1, 0, 0], [1, 1, 1], [1, 0, 0]]
-    #     ]
-    # }
-    # U1 = {
-    #     'name': 'U-Shape+',
-    #     'color': (250, 250, 250), # Change color
-    #     'min_score': 10000,
-    #     'shapes': [
-    #         [[1, 1, 1], [1, 0, 1], [1, 0, 1]],
-    #         [[1, 1, 1], [1, 0, 0], [1, 1, 1]],
-    #         [[1, 0, 1], [1, 0, 1], [1, 1, 1]],
-    #         [[1, 1, 1], [0, 0, 1], [1, 1, 1]]
-    #     ]
-    # }
-    # X = {
-    #     'name': 'X-Shape',
-    #     'color': (250, 250, 250), # Change color
-    #     'min_score': 15000,
-    #     'shapes': [
-    #         [[0, 1, 0], [1, 1, 1], [0, 1, 0]]
-    #     ]
-    # }
 
 BLOCK_TYPE = BlockType