diff --git a/include/Game.h b/include/Game.h
index 15af3b3..1ae163c 100644
--- a/include/Game.h
+++ b/include/Game.h
@@ -45,10 +45,11 @@ struct Player
 class Game 
 {
 public:
-	Game();
+	Game() = delete;
+
+	Game(bool useImgui_in);
 
 	void run();
-	void runNoImgui();
 
 private:
 	void imgui();
@@ -118,5 +119,6 @@ private:
 	Color brickColor{};
 	Color playerColor{};
 	Color specialBrickColor{};
+	bool useImgui;
 	static constexpr unsigned int numPhysicsUpdates{4};
 };
\ No newline at end of file
diff --git a/src/Game.cpp b/src/Game.cpp
index 426b20e..e6ade1f 100644
--- a/src/Game.cpp
+++ b/src/Game.cpp
@@ -25,7 +25,7 @@ Player::Player(sf::Vector2f position_in)
 { }
 
 
-Game::Game()
+Game::Game(bool useImgui_in)
 	: window({sf::VideoMode({ 1920u, 1080u }), "project-breakout"})
 	, font("assets/fonts/ChakraPetch-Regular.ttf")
 	, lives(font)
@@ -38,6 +38,7 @@ Game::Game()
 	, brickBreakSound(brickBreakSoundBuffer)
 	, failSound(failSoundBuffer)
 	, volume(10)
+	, useImgui(useImgui_in)
 { 
 	
 	if (!ImGui::SFML::Init(window)) return;
@@ -664,39 +665,13 @@ void Game::run()
 		
 		checkEndGame();
 		
-		imgui();
-
-		render();
-		
-	}
-
-	ImGui::SFML::Shutdown();
-}
-
-void Game::runNoImgui()
-{
-	while(window.isOpen())
-	{		
-		ImGui::SFML::Update(window, clock.restart());
-		
-		input();
-
-		for (size_t i = 0; i <= numPhysicsUpdates; i++)
+		if (useImgui)
 		{
-			updateEntities();
-
-			movement();
-			
-			collision();
-			
-			soundSystem();
-
-			scoreSystem();
+		imgui();
 		}
 
-		checkEndGame();
-
 		render();
+		
 	}
 
 	ImGui::SFML::Shutdown();
diff --git a/src/main.cpp b/src/main.cpp
index e8b7ca7..421025f 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -2,7 +2,6 @@
 
 int main(int argc, char* argv[])
 {
-	Game game;
 	
 	// parse command-line arguments 
 	bool useImgui{true};
@@ -14,12 +13,8 @@ int main(int argc, char* argv[])
 		}	
 	}
 
-	if (useImgui)
-	{
+	Game game(useImgui);
+
 		game.run();
-	} 
-	else 
-	{
-		game.runNoImgui();
-	}
+
 }
\ No newline at end of file