diff --git a/src/game/__init__.py b/src/game/__init__.py
index 4fab904..de7f5b2 100644
--- a/src/game/__init__.py
+++ b/src/game/__init__.py
@@ -1,9 +1,4 @@
 from .log import log
-from .screens import Game, Main, Tetris
+from .screens import Game, Main, Preview, Score, Tetris
 
-__all__ = [
-    "log",
-    "Main",
-    "Game",
-    "Preview",
-]
+__all__ = ["Main", "Game", "Preview", "Score", "Tetris", "log"]
diff --git a/src/game/screens/game.py b/src/game/screens/game.py
index 6836d6a..f015946 100644
--- a/src/game/screens/game.py
+++ b/src/game/screens/game.py
@@ -4,7 +4,7 @@ import pygame
 from utils import CONFIG, Figure, GameMode
 
 from game.log import log
-from game.sprites.tetromino import Tetromino
+from game.sprites import Tetromino
 
 from .base import BaseScreen
 from .preview import Preview
@@ -24,7 +24,7 @@ class Game(BaseScreen):
         score: Score object.
         preview: Preview object.
         next_figures: List of upcoming figures.
-        music: Pygame music that plays in the background.
+        music: Music that plays in the background.
     """
 
     def __init__(self, game_mode: GameMode) -> None:
diff --git a/src/game/screens/tetris.py b/src/game/screens/tetris.py
index 817503d..f029f80 100644
--- a/src/game/screens/tetris.py
+++ b/src/game/screens/tetris.py
@@ -5,8 +5,7 @@ import pygame
 from utils import CONFIG, Direction, Figure, GameMode, Rotation
 
 from game.log import log
-from game.sprites.block import Block
-from game.sprites.tetromino import Tetromino
+from game.sprites import Block, Tetromino
 from game.timer import Timer, Timers
 
 from .base import BaseScreen, SceenElement
@@ -91,31 +90,61 @@ class Tetris(BaseScreen):
         self._handle_down_key(keys)
         self._handle_drop_key(keys)
 
-    def move_down(self) -> None:
-        """Move the current tetromino down."""
-        self.tetromino.move_down()
+    def move_down(self) -> bool:
+        """
+        Move the current tetromino down.
 
-    def move_left(self) -> None:
-        """Move the current tetromino to the left."""
-        self.tetromino.move_horizontal(Direction.LEFT)
+        Returns:
+            True if the movement was successful, False otherwise.
+        """
+        return self.tetromino.move_down()
 
-    def move_right(self) -> None:
-        """Move the current tetromino to the right."""
-        self.tetromino.move_horizontal(Direction.RIGHT)
+    def move_left(self) -> bool:
+        """
+        Move the current tetromino to the left.
 
-    def rotate(self) -> None:
-        """Rotate the current tetromino clockwise."""
-        self.tetromino.rotate()
+        Returns:
+            True if the movement was successful, False otherwise.
+        """
+        return self.tetromino.move_horizontal(Direction.LEFT)
 
-    def rotate_reverse(self) -> None:
-        """Rotate the current tetromino counter-clockwise."""
-        self.tetromino.rotate(Rotation.COUNTER_CLOCKWISE)
+    def move_right(self) -> bool:
+        """
+        Move the current tetromino to the right.
 
-    def drop(self) -> None:
-        """Drop the current tetromino."""
-        self.tetromino.drop()
+        Returns:
+            True if the movement was successful, False otherwise.
+        """
+        return self.tetromino.move_horizontal(Direction.RIGHT)
 
-    def create_new_tetromino(self) -> None:
+    def rotate(self) -> bool:
+        """
+        Rotate the current tetromino clockwise.
+
+        Returns:
+            True if the rotation was successful, False otherwise.
+        """
+        return self.tetromino.rotate()
+
+    def rotate_reverse(self) -> bool:
+        """
+        Rotate the current tetromino counter-clockwise.
+
+        Returns:
+            True if the rotation was successful, False otherwise.
+        """
+        return self.tetromino.rotate(Rotation.COUNTER_CLOCKWISE)
+
+    def drop(self) -> bool:
+        """
+        Drop the current tetromino.
+
+        Returns:
+            True if the movement was successful, False otherwise.
+        """
+        return self.tetromino.drop()
+
+    def create_new_tetromino(self, shape: Optional[Figure] = None) -> Tetromino:
         """Create a new tetromino and perform necessary actions."""
         self._play_landing_sound()
         self._check_finished_rows()
@@ -128,9 +157,11 @@ class Tetris(BaseScreen):
             self.sprites,
             self.create_new_tetromino,
             self.field,
-            self.get_next_figure(),
+            shape or self.get_next_figure(),
         )
 
+        return self.tetromino
+
     def _check_game_over(self) -> bool:
         """
         Check if the game is over.
diff --git a/src/game/sprites/tetromino.py b/src/game/sprites/tetromino.py
index d280aa2..5da521e 100644
--- a/src/game/sprites/tetromino.py
+++ b/src/game/sprites/tetromino.py
@@ -31,7 +31,7 @@ class Tetromino:
     def __init__(
         self,
         group: pygame.sprite.Group,
-        create_new: Callable[[], None],
+        create_new: Callable[[Optional[Figure]], "Tetromino"],
         field: np.ndarray[Optional[Block], Any],
         shape: Optional[Figure] = None,
     ) -> None:
@@ -42,32 +42,44 @@ class Tetromino:
         self.field = field
         self.blocks = self._initialize_blocks(group)
 
-    def move_down(self) -> None:
+    def move_down(self) -> bool:
         """
         Moves the Tetromino down.
 
         If there is a collision, the Tetromino is placed on the field, and a new one is created.
+
+        Returns:
+            True if the movement was successful, False otherwise.
         """
         if not self._check_horizontal_collision(self.blocks, Direction.DOWN):
             for block in self.blocks:
                 block.pos.y += 1
-        else:
-            for block in self.blocks:
-                self.field[int(block.pos.y), int(block.pos.x)] = block
-            self.create_new()
+            return True
 
-    def move_horizontal(self, direction: Direction) -> None:
+        for block in self.blocks:
+            self.field[int(block.pos.y), int(block.pos.x)] = block
+
+        self.create_new(None)
+
+        return False
+
+    def move_horizontal(self, direction: Direction) -> bool:
         """
         Moves the Tetromino horizontally.
 
         Args:
             direction: Direction to move (LEFT or RIGHT).
+
+        Returns:
+            True if the movement was successful, False otherwise.
         """
         if not self._check_vertical_collision(self.blocks, direction):
             for block in self.blocks:
                 block.pos.x += direction.value
+            return True
+        return False
 
-    def rotate(self, rotation: Rotation = Rotation.CLOCKWISE) -> None:
+    def rotate(self, rotation: Rotation = Rotation.CLOCKWISE) -> bool:
         """
         Rotates the Tetromino.
 
@@ -75,9 +87,12 @@ class Tetromino:
 
         Args:
             rotation: Rotation to perform (CLOCKWISE or COUNTER_CLOCKWISE).
+
+        Returns:
+            True if the rotation was successful, False otherwise.
         """
         if self.figure == Figure.O:
-            return
+            return False
 
         pivot: pygame.Vector2 = self.blocks[0].pos
 
@@ -88,19 +103,48 @@ class Tetromino:
 
             if self._are_new_positions_valid(new_positions):
                 self._update_block_positions(new_positions)
-                return
+                return True
 
             if any(pos.x < 0 for pos in new_positions):
                 self.move_horizontal(Direction.RIGHT)
             else:
                 self.move_horizontal(Direction.LEFT)
 
-    def drop(self) -> None:
-        """Drops the Tetromino to the bottom of the game field."""
+        return False
+
+    def next_rotation(self) -> "Tetromino":
+        self.rotate()
+        return self
+
+    def drop(self) -> bool:
+        """
+        Drops the Tetromino to the bottom of the game field.
+
+        Returns:
+            True if the drop was successful, False otherwise.
+        """
+
         while not self._check_horizontal_collision(self.blocks, Direction.DOWN):
             for block in self.blocks:
                 block.pos.y += 1
 
+        return True
+
+    def check_collision(self, direction: Direction) -> bool:
+        """
+        Checks if there is a collision in the given direction.
+
+        Args:
+            direction: Direction to check (UP, DOWN, LEFT, or RIGHT).
+
+        Returns:
+            True if there is a collision, False otherwise.
+        """
+
+        return self._check_horizontal_collision(
+            self.blocks, direction
+        ) or self._check_vertical_collision(self.blocks, direction)
+
     def _check_vertical_collision(
         self, blocks: list[Block], direction: Direction
     ) -> bool:
diff --git a/src/utils/__init__.py b/src/utils/__init__.py
index 7257e72..c99d702 100644
--- a/src/utils/__init__.py
+++ b/src/utils/__init__.py
@@ -3,7 +3,8 @@ from .enum import Direction, GameMode, Rotation
 from .figure import Figure, FigureConfig
 from .log import log
 from .path import BASE_PATH
-from .size import Size
+from .tuples import BestMove, Size
+from .weights import Weights
 
 __all__ = [
     "BASE_PATH",
@@ -15,4 +16,5 @@ __all__ = [
     "Direction",
     "Rotation",
     "GameMode",
+    "Weights",
 ]
diff --git a/src/utils/config.py b/src/utils/config.py
index 72e9727..48e99f6 100644
--- a/src/utils/config.py
+++ b/src/utils/config.py
@@ -5,7 +5,7 @@ from pygame import Vector2 as Vec2
 
 from .colors import TokyoNightNight
 from .path import BASE_PATH
-from .size import Size
+from .tuples import Size
 
 PADDING = 20
 
diff --git a/src/utils/figure.py b/src/utils/figure.py
index 29e6d2c..34de17a 100644
--- a/src/utils/figure.py
+++ b/src/utils/figure.py
@@ -99,4 +99,4 @@ class Figure(Enum):
 
     @classmethod
     def random(cls) -> "Figure":
-        return random.choice(list(Figure))
+        return random.choice(list(cls))
diff --git a/src/utils/size.py b/src/utils/tuples.py
similarity index 77%
rename from src/utils/size.py
rename to src/utils/tuples.py
index 9cdacf0..837d6a3 100644
--- a/src/utils/size.py
+++ b/src/utils/tuples.py
@@ -1,5 +1,7 @@
 from typing import NamedTuple, Union
 
+from .enum import Direction
+
 
 class Size(NamedTuple):
     width: int | float
@@ -9,3 +11,8 @@ class Size(NamedTuple):
         if isinstance(other, Size):
             return Size(self.width - other.width, self.height - other.height)
         return Size(self.width - other, self.height - other)
+
+
+class BestMove(NamedTuple):
+    rotation: int
+    direction: Direction
diff --git a/src/utils/weights.py b/src/utils/weights.py
new file mode 100644
index 0000000..6328075
--- /dev/null
+++ b/src/utils/weights.py
@@ -0,0 +1,9 @@
+from attrs import define
+
+
+@define
+class Weights:
+    height: float
+    lines: float
+    holes: float
+    bumpiness: float
diff --git a/tests/ai/test_fitness.py b/tests/ai/test_fitness.py
index 91ad4eb..1f7ef40 100644
--- a/tests/ai/test_fitness.py
+++ b/tests/ai/test_fitness.py
@@ -2,7 +2,7 @@ import unittest
 
 import numpy as np
 from ai.fitness.bumpiness import get_bumpiness
-from ai.fitness.holes import get_holes
+from ai.fitness.holes import holes
 from ai.fitness.peaks import get_peaks_sum
 from ai.fitness.transitions import (
     get_col_transition,
@@ -58,7 +58,7 @@ class TestFitness(unittest.TestCase):
             np.array([0, 1, 0, 0, 0]),
         )
         for field, answer in zip(self.fields, answers):
-            self.assertTrue(np.array_equal(get_holes(field), answer))
+            self.assertTrue(np.array_equal(holes(field), answer))
 
     def test_get_wells(self) -> None:
         answers = (