diff --git a/brain_games/games/engine.py b/brain_games/engine.py
similarity index 75%
rename from brain_games/games/engine.py
rename to brain_games/engine.py
index 1119d42..4e25257 100644
--- a/brain_games/games/engine.py
+++ b/brain_games/engine.py
@@ -1,13 +1,14 @@
 from brain_games.const import ENTER_NAME, GREETING_MESSAGE, ROUNDS_NUMBERS
 
 
-def play_game(game_round, game_rules: str):
+def play_game(get_question_and_answer, game_rules: str):
     """
     The logic of the game, which repeats the questions until the user answers
     correctly several times in a row
 
     Args:
-        game_round (Callable): A function that describes one round of the game.
+        get_question_and_answer (Callable): A function that describes one round
+        of the game.
         game_rules (str): The rules of the game that will be displayed before
         the start
     """
@@ -17,7 +18,7 @@ def play_game(game_round, game_rules: str):
     print(game_rules)
 
     for _ in range(ROUNDS_NUMBERS):
-        question, correct_answer = game_round()
+        question, correct_answer = get_question_and_answer()
         print(f"Question: {question}")
         answer = input("Your answer: ").strip().lower()
 
@@ -27,8 +28,7 @@ def play_game(game_round, game_rules: str):
             print(
                 f'"{answer}" is wrong answer ;(. '
                 f'Correct answer was "{correct_answer}".'
-            )
-            print(f"Let's try again, {username}!")
+                f'Let\'s try again, {username}!')
             return
 
     print(f"Congratulations, {username}!")
diff --git a/brain_games/games/__pycache__/engine.cpython-310.pyc b/brain_games/games/__pycache__/engine.cpython-310.pyc
deleted file mode 100644
index 5de5ea9..0000000
Binary files a/brain_games/games/__pycache__/engine.cpython-310.pyc and /dev/null differ
diff --git a/brain_games/games/calc.py b/brain_games/games/calc.py
index 8b70f59..ac6eae2 100644
--- a/brain_games/games/calc.py
+++ b/brain_games/games/calc.py
@@ -1,7 +1,7 @@
 import random
 
 from brain_games.const import CALC_RULES
-from brain_games.games.engine import play_game
+from brain_games.engine import play_game
 from brain_games.utils import get_random_number
 
 
diff --git a/brain_games/games/even.py b/brain_games/games/even.py
index e83e590..667ee1f 100644
--- a/brain_games/games/even.py
+++ b/brain_games/games/even.py
@@ -1,5 +1,5 @@
 from brain_games.const import EVEN_RULES
-from brain_games.games.engine import play_game
+from brain_games.engine import play_game
 from brain_games.utils import get_random_number
 
 
diff --git a/brain_games/games/gcd.py b/brain_games/games/gcd.py
index 3d6a8c2..686274d 100644
--- a/brain_games/games/gcd.py
+++ b/brain_games/games/gcd.py
@@ -1,7 +1,7 @@
 import math
 
 from brain_games.const import GCD_RULES
-from brain_games.games.engine import play_game
+from brain_games.engine import play_game
 from brain_games.utils import get_random_number
 
 
diff --git a/brain_games/games/prime.py b/brain_games/games/prime.py
index 40ea769..ff59ef6 100644
--- a/brain_games/games/prime.py
+++ b/brain_games/games/prime.py
@@ -1,5 +1,5 @@
 from brain_games.const import PRIME_RULES
-from brain_games.games.engine import play_game
+from brain_games.engine import play_game
 from brain_games.utils import get_random_number
 
 
diff --git a/brain_games/games/progression.py b/brain_games/games/progression.py
index d2ebf46..5de33df 100644
--- a/brain_games/games/progression.py
+++ b/brain_games/games/progression.py
@@ -1,5 +1,5 @@
 from brain_games.const import PROGRESSION_RULES
-from brain_games.games.engine import play_game
+from brain_games.engine import play_game
 from brain_games.utils import get_random_number