diff --git a/src/gamestate.cpp b/src/gamestate.cpp
index e53b81c..c79cb77 100755
--- a/src/gamestate.cpp
+++ b/src/gamestate.cpp
@@ -26,6 +26,7 @@ namespace snakeplusplus
         player.Reset();
         PrepareGameBoard();
         isGameOver = 0;
+        return;
     }
 
     void GameEngine::Loop(void)
@@ -60,7 +61,7 @@ namespace snakeplusplus
         {
             char* locationState;
             locationState = &gameBoard.at(location.y).at(location.x);
-            if (*locationState == 'O' && player.body.size() > 1)
+            if (*locationState == 'O' && (player.body.size() > 1))
                 isGameOver = true; // Game should end (Snake touching snake)
             *locationState = 'O';
             player.body.push(locationState);
@@ -70,6 +71,7 @@ namespace snakeplusplus
         } catch (const std::out_of_range& error) {
             isGameOver = true; // Snake ran into edge
         }
+        return;
     }
 
     // Generates new food until not colliding with player
@@ -77,7 +79,6 @@ namespace snakeplusplus
     {
         sf::Vector2f newLocation = playerFood.location;
         bool isUpdated = false;
-        // Keep making new food until generating a valid spot
         while (gameBoard.at(newLocation.y).at(newLocation.x) == 'O')
         {
             isUpdated = true;
@@ -128,5 +129,6 @@ namespace snakeplusplus
             default:
                 break;
         }
+        return;
     }
 }
diff --git a/src/main.cpp b/src/main.cpp
index 0bf1900..2d529fb 100755
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -4,4 +4,5 @@ int main(void)
 {
     snakeplusplus::GameEngine game;
     game.Start();
+    return 0;
 }
diff --git a/src/playerinterface.cpp b/src/playerinterface.cpp
index d981553..2978179 100755
--- a/src/playerinterface.cpp
+++ b/src/playerinterface.cpp
@@ -45,8 +45,8 @@ namespace snakeplusplus
         while (true)
         {
             gameWindow.pollEvent(event);
-            if ((event.type == sf::Event::Closed) || 
-                (sf::Keyboard::isKeyPressed(sf::Keyboard::Escape)))
+            if ((event.type == sf::Event::Closed)
+                    || (sf::Keyboard::isKeyPressed(sf::Keyboard::Escape)))
             {
                 gameWindow.close();
                 return;
@@ -114,8 +114,8 @@ namespace snakeplusplus
         sf::Event event;
         while (gameWindow.pollEvent(event))
         {
-            if ((event.type == sf::Event::Closed) || 
-                (sf::Keyboard::isKeyPressed(sf::Keyboard::Escape)))
+            if ((event.type == sf::Event::Closed)
+                    || (sf::Keyboard::isKeyPressed(sf::Keyboard::Escape)))
                 gameWindow.close();
         }
     }
diff --git a/src/snake.cpp b/src/snake.cpp
index 5586724..d1908e4 100755
--- a/src/snake.cpp
+++ b/src/snake.cpp
@@ -10,6 +10,7 @@ namespace snakeplusplus
     {
         *(body.front()) = ' ';
         body.pop();
+        return;
     }
 
     void Snake::Reset(void)
@@ -17,11 +18,13 @@ namespace snakeplusplus
         while (!body.empty()) Pop();
         speed.x = 0;
         speed.y = 0;
+        return;
     }
 
     Food::Food(void)
     {
         generator.seed(std::random_device{}());
+        return;
     }
 
     // Returns a new food object for the snakeFood
@@ -29,6 +32,7 @@ namespace snakeplusplus
     {
         location.x = GenerateRandomNumber(boundaries.x);
         location.y = GenerateRandomNumber(boundaries.y);
+        return;
     }
 
     // Returns a newly generated number