diff --git a/src/Games/CalcGame.php b/src/Games/CalcGame.php
index b867a71..be17688 100644
--- a/src/Games/CalcGame.php
+++ b/src/Games/CalcGame.php
@@ -2,8 +2,6 @@
 
 namespace BrainGames\Games\EvenGame;
 
-use Exception;
-
 use const BrainGames\Utils\ModuleUtils\HANDLER_QUESTION;
 use const BrainGames\Utils\ModuleUtils\LOCATION_HANDLERS;
 use const BrainGames\Utils\ModuleUtils\LOCATION_SETTINGS;
@@ -12,41 +10,26 @@
 return function ($module) {
     $module[LOCATION_SETTINGS][SETTING_RULES] = 'What is the result of the expression?';
 
-    $module[LOCATION_HANDLERS][HANDLER_QUESTION] = fn() => questionHandler();
+    $module[LOCATION_HANDLERS][HANDLER_QUESTION] = function () {
+        $operands = ['*', '+', '-'];
+        $firstNum = random_int(1, 100);
+        $secondNum = random_int(1, 100);
+        $operand = $operands[random_int(0, count($operands) - 1)];
+        switch ($operand) {
+            case '*':
+                $expectedAnswer = $firstNum * $secondNum;
+                break;
+            case '+':
+                $expectedAnswer = $firstNum + $secondNum;
+                break;
+            case '-':
+                $expectedAnswer = $firstNum - $secondNum;
+                break;
+        }
+
+        $question = "$firstNum $operand $secondNum";
+        return [$question, $expectedAnswer];
+    };
 
     return $module;
 };
-
-/**
- * Returns a question and its expected answer.
- *
- * - 0: The question (string)
- * - 1: The expected answer (string)
- *
- * @return array{
- *     0: string,
- *     1: string
- * }
- * @throws Exception
- */
-function questionHandler(): array
-{
-    $operands = ['*', '+', '-'];
-    $firstNum = random_int(1, 100);
-    $secondNum = random_int(1, 100);
-    $operand = $operands[random_int(0, count($operands) - 1)];
-    switch ($operand) {
-        case '*':
-            $expectedAnswer = $firstNum * $secondNum;
-            break;
-        case '+':
-            $expectedAnswer = $firstNum + $secondNum;
-            break;
-        case '-':
-            $expectedAnswer = $firstNum - $secondNum;
-            break;
-    }
-
-    $question = "$firstNum $operand $secondNum";
-    return [$question, $expectedAnswer];
-}
diff --git a/src/Games/EvenGame.php b/src/Games/EvenGame.php
index 9bb1a00..0a34254 100644
--- a/src/Games/EvenGame.php
+++ b/src/Games/EvenGame.php
@@ -2,8 +2,6 @@
 
 namespace BrainGames\Games\EvenGame;
 
-use Exception;
-
 use const BrainGames\Utils\ModuleUtils\HANDLER_QUESTION;
 use const BrainGames\Utils\ModuleUtils\LOCATION_HANDLERS;
 use const BrainGames\Utils\ModuleUtils\LOCATION_SETTINGS;
@@ -12,26 +10,11 @@
 return function ($module) {
     $module[LOCATION_SETTINGS][SETTING_RULES] = 'Answer "yes" if the number is even, otherwise answer "no".';
 
-    $module[LOCATION_HANDLERS][HANDLER_QUESTION] = fn() => questionHandler();
+    $module[LOCATION_HANDLERS][HANDLER_QUESTION] = function () {
+        $question = random_int(1, 100);
+        $isEven = $question % 2 === 0;
+        return [$question, $isEven ? 'yes' : 'no'];
+    };
 
     return $module;
 };
-
-/**
- * Returns a question and its expected answer.
- *
- * - 0: The question (string)
- * - 1: The expected answer (string)
- *
- * @return array{
- *     0: string,
- *     1: string
- * }
- * @throws Exception
- */
-function questionHandler(): array
-{
-    $question = random_int(1, 100);
-    $isEven = $question % 2 === 0;
-    return [$question, $isEven ? 'yes' : 'no'];
-}
diff --git a/src/Games/GcdGame.php b/src/Games/GcdGame.php
index 76ee7db..c9f276e 100644
--- a/src/Games/GcdGame.php
+++ b/src/Games/GcdGame.php
@@ -2,8 +2,6 @@
 
 namespace BrainGames\Games\EvenGame;
 
-use Exception;
-
 use const BrainGames\Utils\ModuleUtils\HANDLER_QUESTION;
 use const BrainGames\Utils\ModuleUtils\LOCATION_HANDLERS;
 use const BrainGames\Utils\ModuleUtils\LOCATION_SETTINGS;
@@ -12,29 +10,14 @@
 return function ($module) {
     $module[LOCATION_SETTINGS][SETTING_RULES] = 'Find the greatest common divisor of given numbers.';
 
-    $module[LOCATION_HANDLERS][HANDLER_QUESTION] = fn() => questionHandler();
+    $module[LOCATION_HANDLERS][HANDLER_QUESTION] = function () {
+        $firstNum = random_int(1, 100);
+        $secondNum = random_int(1, 100);
+
+        $expectedAnswer = gmp_gcd($firstNum, $firstNum);
+        $question = "$firstNum $secondNum";
+        return [$question, $expectedAnswer];
+    };
 
     return $module;
 };
-
-/**
- * Returns a question and its expected answer.
- *
- * - 0: The question (string)
- * - 1: The expected answer (string)
- *
- * @return array{
- *     0: string,
- *     1: string
- * }
- * @throws Exception
- */
-function questionHandler(): array
-{
-    $firstNum = random_int(1, 100);
-    $secondNum = random_int(1, 100);
-
-    $expectedAnswer = gmp_gcd($firstNum, $firstNum);
-    $question = "$firstNum $secondNum";
-    return [$question, $expectedAnswer];
-}
diff --git a/src/Games/ProgressionGame.php b/src/Games/ProgressionGame.php
index 8fd8deb..4d24ce9 100644
--- a/src/Games/ProgressionGame.php
+++ b/src/Games/ProgressionGame.php
@@ -2,8 +2,6 @@
 
 namespace BrainGames\Games\EvenGame;
 
-use Exception;
-
 use const BrainGames\Utils\ModuleUtils\HANDLER_QUESTION;
 use const BrainGames\Utils\ModuleUtils\LOCATION_HANDLERS;
 use const BrainGames\Utils\ModuleUtils\LOCATION_SETTINGS;
@@ -12,32 +10,17 @@
 return function ($module) {
     $module[LOCATION_SETTINGS][SETTING_RULES] = 'What number is missing in the progression?';
 
-    $module[LOCATION_HANDLERS][HANDLER_QUESTION] = fn() => questionHandler();
+    $module[LOCATION_HANDLERS][HANDLER_QUESTION] = function () {
+        $lengthProgression = 10;
+        $step = random_int(2, 10);
+        $shift = random_int(1, 10);
+        $progression = range($shift, $shift + (($lengthProgression - 1) * $step), $step);
+        $guessIndex = random_int(0, 8);
+        $expectedAnswer = $progression[$guessIndex];
+        $progression[$guessIndex] = '..';
+        $question = implode(' ', $progression);
+        return [$question, $expectedAnswer];
+    };
 
     return $module;
 };
-
-/**
- * Returns a question and its expected answer.
- *
- * - 0: The question (string)
- * - 1: The expected answer (string)
- *
- * @return array{
- *     0: string,
- *     1: string
- * }
- * @throws Exception
- */
-function questionHandler(): array
-{
-    $lengthProgression = 10;
-    $step = random_int(2, 10);
-    $shift = random_int(1, 10);
-    $progression = range($shift, $shift + (($lengthProgression - 1) * $step), $step);
-    $guessIndex = random_int(0, 8);
-    $expectedAnswer = $progression[$guessIndex];
-    $progression[$guessIndex] = '..';
-    $question = implode(' ', $progression);
-    return [$question, $expectedAnswer];
-}