diff --git a/source/define_buttons.cpp b/source/define_buttons.cpp
index ef40f99..98096c5 100644
--- a/source/define_buttons.cpp
+++ b/source/define_buttons.cpp
@@ -36,7 +36,7 @@ void DefineButtons::render()
 }
 
 // Comprueba el botón que se ha pulsado
-void DefineButtons::doControllerButtonDown(SDL_ControllerButtonEvent &event)
+void DefineButtons::doControllerButtonDown(const SDL_ControllerButtonEvent &event)
 {
     // Solo pilla botones del mando que toca
     if (input_->getJoyIndex(event.which) != static_cast<int>(index_controller_))
@@ -124,8 +124,6 @@ void DefineButtons::incIndexButton()
         saveBindingsToOptions();
 
         // Deshabilita
-        //index_controller_ = 0;
-        //index_button_ = 0;
         enabled_ = false;
     }
 }
diff --git a/source/define_buttons.h b/source/define_buttons.h
index 5dba350..f69bf54 100644
--- a/source/define_buttons.h
+++ b/source/define_buttons.h
@@ -1,13 +1,14 @@
 #pragma once
 
-#include <SDL2/SDL_events.h>         // para SDL_ControllerButtonEvent
-#include <SDL2/SDL_gamecontroller.h> // para SDL_GameControllerButton
-#include <memory>                    // para shared_ptr, unique_ptr
-#include <string>                    // para string
-#include <vector>                    // para vector
-class Input;
-class Text;
-enum class InputType : int;
+#include <SDL2/SDL_events.h>         // Para SDL_ControllerButtonEvent
+#include <SDL2/SDL_gamecontroller.h> // Para SDL_GameControllerButton
+#include <stddef.h>                  // Para size_t
+#include <memory>                    // Para shared_ptr, unique_ptr
+#include <string>                    // Para string
+#include <vector>                    // Para vector
+class Input;                         // lines 8-8
+class Text;                          // lines 9-9
+enum class InputType : int;          // lines 10-10
 
 struct DefineButtonsButton
 {
@@ -41,7 +42,7 @@ private:
     void incIndexButton();
 
     // Comprueba el botón que se ha pulsado
-    void doControllerButtonDown(SDL_ControllerButtonEvent &event);
+    void doControllerButtonDown(const SDL_ControllerButtonEvent &event);
 
     // Asigna los botones definidos al input
     void bindButtons();
diff --git a/source/director.cpp b/source/director.cpp
index 27e6575..0b35c99 100644
--- a/source/director.cpp
+++ b/source/director.cpp
@@ -7,17 +7,17 @@
 #include <SDL2/SDL_hints.h>			 // Para SDL_SetHint, SDL_HINT_RENDER_DR...
 #include <SDL2/SDL_scancode.h>		 // Para SDL_SCANCODE_0, SDL_SCANCODE_DOWN
 #include <SDL2/SDL_stdinc.h>		 // Para SDL_bool, Uint32
-#include <SDL2/SDL_timer.h>			 // Para SDL_GetTicks
+#include <bits/chrono.h>			 // Para duration, system_clock
 #include <errno.h>					 // Para errno, EEXIST, EACCES, ENAMETOO...
 #include <stdio.h>					 // Para printf, perror
-#include <string.h>					 // Para strcmp
 #include <sys/stat.h>				 // Para mkdir, stat, S_IRWXU
 #include <unistd.h>					 // Para getuid
-#include <cstdlib>					 // Para exit, EXIT_FAILURE, rand, srand
-#include <iostream>					 // Para basic_ostream, operator<<, cout
+#include <algorithm>				 // Para min
+#include <cstdlib>					 // Para exit, EXIT_FAILURE, size_t, rand
+#include <iostream>					 // Para basic_ostream, operator<<, basi...
 #include <memory>					 // Para make_unique, unique_ptr, make_s...
 #include <stdexcept>				 // Para runtime_error
-#include <string>					 // Para operator+, allocator, char_traits
+#include <string>					 // Para operator+, char_traits, allocator
 #include <vector>					 // Para vector
 #include "asset.h"					 // Para Asset, AssetType
 #include "dbgtxt.h"					 // Para dbg_init
@@ -27,13 +27,13 @@
 #include "input.h"					 // Para Input, InputType
 #include "instructions.h"			 // Para Instructions
 #include "intro.h"					 // Para Intro
-#include "jail_audio.h"				 // Para JA_EnableMusic, JA_EnableSound
+#include "jail_audio.h"				 // Para JA_SetMusicVolume, JA_SetSoundV...
 #include "lang.h"					 // Para Code, loadFromFile
 #include "logo.h"					 // Para Logo
 #include "manage_hiscore_table.h"	 // Para ManageHiScoreTable
 #include "notifier.h"				 // Para Notifier
 #include "on_screen_help.h"			 // Para OnScreenHelp
-#include "options.h"				 // Para Options, options, OptionsContro...
+#include "options.h"				 // Para Options, OptionsController, opt...
 #include "param.h"					 // Para Param, ParamGame, param, loadPa...
 #include "resource.h"				 // Para Resource
 #include "screen.h"					 // Para Screen
@@ -41,7 +41,6 @@
 #include "text.h"					 // Para Text
 #include "title.h"					 // Para Title
 #include "utils.h"					 // Para Overrides, overrides
-#include <chrono>
 
 #ifndef _WIN32
 #include <pwd.h> // para getpwuid, passwd
@@ -511,8 +510,6 @@ void Director::setFileList()
 // Comprueba los parametros del programa
 void Director::checkProgramArguments(int argc, const char *argv[])
 {
-	const std::vector<std::string> argument_list = {"--320x240", "--clear_score"};
-
 	// Establece la ruta del programa
 	executable_path_ = argv[0];
 
diff --git a/source/game.cpp b/source/game.cpp
index 59d4a26..4f40b5b 100644
--- a/source/game.cpp
+++ b/source/game.cpp
@@ -1,39 +1,39 @@
 #include "game.h"
-#include "asset.h"				  // for Asset
-#include "background.h"			  // for Background
-#include "balloon.h"			  // for Balloon, BALLOON_SCORE, BALLOON_VE...
-#include "balloon_formations.h"	  // for BalloonFormations, BalloonFormatio...
-#include "bullet.h"				  // for Bullet, BulletType, BulletMoveStatus
-#include "explosions.h"			  // for Explosions
-#include "fade.h"				  // for Fade, FadeType
-#include "global_inputs.h"		  // for check
-#include "input.h"				  // for InputType, Input, INPUT_DO_NOT_ALL...
-#include "item.h"				  // for Item, ItemType
-#include "jail_audio.h"			  // for JA_PlaySound, JA_GetMusicState
-#include "lang.h"				  // for getText
-#include "manage_hiscore_table.h" // for ManageHiScoreTable, HiScoreEntry
-#include "notifier.h"			  // for Notifier
-#include "param.h"				  // for Param, param, ParamGame, ParamFade
-#include "path_sprite.h"		  // for Path, PathSprite, createPath, Path...
-#include "player.h"				  // for Player, PlayerStatus
-#include "resource.h"			  // for Resource
-#include "scoreboard.h"			  // for Scoreboard, ScoreboardMode, SCOREB...
-#include "screen.h"				  // for Screen
-#include "section.h"			  // for Name, name, Options, options
-#include "smart_sprite.h"		  // for SmartSprite
-#include "text.h"				  // for Text
-#include "texture.h"			  // for Texture
-#include <SDL2/SDL_blendmode.h>	  // for SDL_BLENDMODE_BLEND
-#include <SDL2/SDL_events.h>	  // for SDL_PollEvent, SDL_Event, SDL_KEYDOWN
-#include <SDL2/SDL_keycode.h>	  // for SDLK_1, SDLK_2, SDLK_3, SDLK_4
-#include <SDL2/SDL_pixels.h>	  // for SDL_PIXELFORMAT_RGBA8888
-#include <SDL2/SDL_timer.h>		  // for SDL_GetTicks
-#include <SDL2/SDL_video.h>		  // for SDL_WINDOWEVENT_FOCUS_GAINED, SDL_...
-#include <algorithm>			  // for find_if, clamp, min, remove_if
-#include <functional>			  // for function
-#include <iterator>				  // for distance, size
-#include <numeric>				  // for accumulate
-#include <stdlib.h>				  // for rand, size_t
+#include "asset.h"				  // Para Asset
+#include "background.h"			  // Para Background
+#include "balloon.h"			  // Para Balloon, BALLOON_SCORE, BALLOON_VE...
+#include "balloon_formations.h"	  // Para BalloonFormations, BalloonFormatio...
+#include "bullet.h"				  // Para Bullet, BulletType, BulletMoveStatus
+#include "explosions.h"			  // Para Explosions
+#include "fade.h"				  // Para Fade, FadeType
+#include "global_inputs.h"		  // Para check
+#include "input.h"				  // Para InputType, Input, INPUT_DO_NOT_ALL...
+#include "item.h"				  // Para Item, ItemType
+#include "jail_audio.h"			  // Para JA_PlaySound, JA_GetMusicState
+#include "lang.h"				  // Para getText
+#include "manage_hiscore_table.h" // Para ManageHiScoreTable, HiScoreEntry
+#include "notifier.h"			  // Para Notifier
+#include "param.h"				  // Para Param, param, ParamGame, ParamFade
+#include "path_sprite.h"		  // Para Path, PathSprite, createPath, Path...
+#include "player.h"				  // Para Player, PlayerStatus
+#include "resource.h"			  // Para Resource
+#include "scoreboard.h"			  // Para Scoreboard, ScoreboardMode, SCOREB...
+#include "screen.h"				  // Para Screen
+#include "section.h"			  // Para Name, name, Options, options
+#include "smart_sprite.h"		  // Para SmartSprite
+#include "text.h"				  // Para Text
+#include "texture.h"			  // Para Texture
+#include <SDL2/SDL_blendmode.h>	  // Para SDL_BLENDMODE_BLEND
+#include <SDL2/SDL_events.h>	  // Para SDL_PollEvent, SDL_Event, SDL_KEYDOWN
+#include <SDL2/SDL_keycode.h>	  // Para SDLK_1, SDLK_2, SDLK_3, SDLK_4
+#include <SDL2/SDL_pixels.h>	  // Para SDL_PIXELFORMAT_RGBA8888
+#include <SDL2/SDL_timer.h>		  // Para SDL_GetTicks
+#include <SDL2/SDL_video.h>		  // Para SDL_WINDOWEVENT_FOCUS_GAINED, SDL_...
+#include <algorithm>			  // Para find_if, clamp, min, remove_if
+#include <functional>			  // Para function
+#include <iterator>				  // Para distance, size
+#include <numeric>				  // Para accumulate
+#include <stdlib.h>				  // Para rand, size_t
 
 struct JA_Sound_t; // lines 36-36
 
diff --git a/source/game.h b/source/game.h
index f5a533c..9474f91 100644
--- a/source/game.h
+++ b/source/game.h
@@ -1,15 +1,15 @@
 #pragma once
 
-#include <SDL2/SDL_render.h>	  // for SDL_Renderer, SDL_Texture
-#include <SDL2/SDL_stdinc.h>	  // for Uint32, Uint8
-#include <memory>				  // for shared_ptr, unique_ptr
-#include <string>				  // for string
-#include <vector>				  // for vector
-#include "balloon.h"			  // for Balloon
-#include "manage_hiscore_table.h" // for HiScoreEntry
-#include "options.h"			  // for Options, OptionsGame, options
-#include "player.h"				  // for Player
-#include "utils.h"				  // for Demo
+#include <SDL2/SDL_render.h>	  // Para SDL_Renderer, SDL_Texture
+#include <SDL2/SDL_stdinc.h>	  // Para Uint32, Uint8
+#include <memory>				  // Para shared_ptr, unique_ptr
+#include <string>				  // Para string
+#include <vector>				  // Para vector
+#include "balloon.h"			  // Para Balloon
+#include "manage_hiscore_table.h" // Para HiScoreEntry
+#include "options.h"			  // Para Options, OptionsGame, options
+#include "player.h"				  // Para Player
+#include "utils.h"				  // Para Demo
 class Asset;					  // lines 14-14
 class Background;				  // lines 15-15
 class BalloonFormations;		  // lines 16-16
diff --git a/source/input.cpp b/source/input.cpp
index a6899c9..b997efb 100644
--- a/source/input.cpp
+++ b/source/input.cpp
@@ -1,11 +1,13 @@
 #include "input.h"
-#include <SDL2/SDL.h>		   // para SDL_INIT_GAMECONTROLLER, SDL_InitSubS...
-#include <SDL2/SDL_error.h>	   // para SDL_GetError
-#include <SDL2/SDL_events.h>   // para SDL_ENABLE
-#include <SDL2/SDL_keyboard.h> // para SDL_GetKeyboardState
-#include <iostream>			   // para basic_ostream, operator<<, cout, basi...
-#include <unordered_map>
-#include <algorithm>
+#include <SDL2/SDL.h>		   // Para SDL_INIT_GAMECONTROLLER, SDL_InitSubS...
+#include <SDL2/SDL_error.h>	   // Para SDL_GetError
+#include <SDL2/SDL_events.h>   // Para SDL_ENABLE
+#include <SDL2/SDL_keyboard.h> // Para SDL_GetKeyboardState
+#include <algorithm>		   // Para find
+#include <iostream>			   // Para basic_ostream, operator<<, cout, endl
+#include <iterator>			   // Para distance
+#include <unordered_map>	   // Para unordered_map, operator==, _Node_cons...
+#include <utility>			   // Para pair
 
 // [SINGLETON] Hay que definir las variables estáticas, desde el .h sólo la hemos declarado
 Input *Input::input_ = nullptr;
@@ -80,14 +82,7 @@ bool Input::checkInput(InputType input, bool repeat, InputDeviceToUse device, in
 
 		if (repeat)
 		{
-			if (keyStates[key_bindings_[input_index].scancode] != 0)
-			{
-				success_keyboard = true;
-			}
-			else
-			{
-				success_keyboard = false;
-			}
+			success_keyboard = keyStates[key_bindings_[input_index].scancode] != 0;
 		}
 		else
 		{
@@ -108,12 +103,8 @@ bool Input::checkInput(InputType input, bool repeat, InputDeviceToUse device, in
 				if (keyStates[key_bindings_[input_index].scancode] == 0)
 				{
 					key_bindings_[input_index].active = false;
-					success_keyboard = false;
-				}
-				else
-				{
-					success_keyboard = false;
 				}
+				success_keyboard = false;
 			}
 		}
 	}
@@ -126,22 +117,15 @@ bool Input::checkInput(InputType input, bool repeat, InputDeviceToUse device, in
 			{
 				if (repeat)
 				{
-					if (SDL_GameControllerGetButton(connected_controllers_[controller_index], controller_bindings_[controller_index][input_index].button) != 0)
-					{
-						success_controller = true;
-					}
-					else
-					{
-						success_controller = false;
-					}
+					success_controller = SDL_GameControllerGetButton(connected_controllers_.at(controller_index), controller_bindings_.at(controller_index).at(input_index).button) != 0;
 				}
 				else
 				{
-					if (!controller_bindings_[controller_index][input_index].active)
+					if (!controller_bindings_.at(controller_index).at(input_index).active)
 					{
-						if (SDL_GameControllerGetButton(connected_controllers_[controller_index], controller_bindings_[controller_index][input_index].button) != 0)
+						if (SDL_GameControllerGetButton(connected_controllers_.at(controller_index), controller_bindings_.at(controller_index).at(input_index).button) != 0)
 						{
-							controller_bindings_[controller_index][input_index].active = true;
+							controller_bindings_.at(controller_index).at(input_index).active = true;
 							success_controller = true;
 						}
 						else
@@ -151,15 +135,11 @@ bool Input::checkInput(InputType input, bool repeat, InputDeviceToUse device, in
 					}
 					else
 					{
-						if (SDL_GameControllerGetButton(connected_controllers_[controller_index], controller_bindings_[controller_index][input_index].button) == 0)
+						if (SDL_GameControllerGetButton(connected_controllers_.at(controller_index), controller_bindings_.at(controller_index).at(input_index).button) == 0)
 						{
-							controller_bindings_[controller_index][input_index].active = false;
-							success_controller = false;
-						}
-						else
-						{
-							success_controller = false;
+							controller_bindings_.at(controller_index).at(input_index).active = false;
 						}
+						success_controller = false;
 					}
 				}
 			}
@@ -171,11 +151,6 @@ bool Input::checkInput(InputType input, bool repeat, InputDeviceToUse device, in
 // Comprueba si hay almenos un input activo
 bool Input::checkAnyInput(InputDeviceToUse device, int controller_index)
 {
-	if (device == InputDeviceToUse::ANY)
-	{
-		controller_index = 0;
-	}
-
 	if (device == InputDeviceToUse::KEYBOARD || device == InputDeviceToUse::ANY)
 	{
 		const Uint8 *mKeystates = SDL_GetKeyboardState(nullptr);
@@ -411,10 +386,4 @@ bool Input::checkAxisInput(InputType input, int controller_index) const
 	default:
 		return false;
 	}
-}
-
-// Establece el indice de mando que usará el teclado
-void Input::setKeyboardIndex(int index)
-{
-	keyboard_index_ = index;
 }
\ No newline at end of file
diff --git a/source/input.h b/source/input.h
index 153e55f..6a9c332 100644
--- a/source/input.h
+++ b/source/input.h
@@ -95,7 +95,6 @@ private:
 	int num_joysticks_ = 0;											   // Número de joysticks conectados
 	int num_gamepads_ = 0;											   // Número de mandos conectados
 	std::string game_controller_db_path_;							   // Ruta al archivo gamecontrollerdb.txt
-	int keyboard_index_ = 0;
 
 	// Comprueba el eje del mando
 	bool checkAxisInput(InputType input, int controller_index = 0) const;
@@ -161,7 +160,4 @@ public:
 
 	// Obtiene el indice a partir del nombre del mando
 	int getIndexByName(const std::string &name) const;
-
-	// Establece el indice de mando que usará el teclado
-	void setKeyboardIndex(int index);
 };
\ No newline at end of file
diff --git a/source/logo.cpp b/source/logo.cpp
index 0c47993..4102e89 100644
--- a/source/logo.cpp
+++ b/source/logo.cpp
@@ -12,6 +12,7 @@
 #include "section.h"		 // Para Name, name, Options, options
 #include "sprite.h"			 // Para Sprite
 #include "texture.h"		 // Para Texture
+#include "utils.h"			 // Para Color, Zone
 
 // Constructor
 Logo::Logo()
diff --git a/source/logo.h b/source/logo.h
index 7de5a72..a3b1b86 100644
--- a/source/logo.h
+++ b/source/logo.h
@@ -1,12 +1,12 @@
 #pragma once
 
-#include <SDL2/SDL_rect.h>	 // para SDL_Point
-#include <SDL2/SDL_stdinc.h> // para Uint32
-#include <memory>			 // para unique_ptr, shared_ptr
-#include <vector>			 // para vector
-#include "sprite.h"			 // para Sprite
-#include "utils.h"			 // para Color
-class Texture;
+#include <SDL2/SDL_rect.h>	 // Para SDL_Point
+#include <SDL2/SDL_stdinc.h> // Para Uint32
+#include <memory>			 // Para shared_ptr, unique_ptr
+#include <vector>			 // Para vector
+class Sprite;
+class Texture; // lines 9-9
+struct Color;
 
 /*
 	Esta clase gestiona un estado del programa. Se encarga de dibujar por pantalla el
diff --git a/source/options.cpp b/source/options.cpp
index f57f357..64259cb 100644
--- a/source/options.cpp
+++ b/source/options.cpp
@@ -1,13 +1,14 @@
 #include "options.h"
-#include <SDL2/SDL_gamecontroller.h> // para SDL_GameControllerButton, SDL_C...
-#include <algorithm>				 // para max, min
-#include <fstream>					 // para basic_ostream, operator<<, basi...
-#include <iostream>					 // para cout
-#include <vector>					 // para vector
-#include "input.h"					 // para inputs_e, InputDeviceToUse::ANY, INPUT_...
-#include "lang.h"					 // para lang_e
-#include "screen.h"					 // para ScreenVideoMode, ScreenFilter
-#include "utils.h"					 // para OptionsController, Options, op_...
+#include <SDL2/SDL_gamecontroller.h> // Para SDL_GameControllerButton
+#include <algorithm>				 // Para clamp
+#include <fstream>					 // Para basic_ostream, operator<<, basi...
+#include <iostream>					 // Para cout
+#include <utility>					 // Para swap
+#include <vector>					 // Para vector
+#include "input.h"					 // Para InputDeviceToUse
+#include "lang.h"					 // Para Code
+#include "screen.h"					 // Para ScreenVideoMode, ScreenFilter
+#include "utils.h"					 // Para boolToString, stringToBool, get...
 
 // Variables
 Options options;
@@ -382,7 +383,7 @@ void swapOptionsControllers()
 // Averigua quien está usando el teclado
 int getPlayerWhoUsesKeyboard()
 {
-	for (auto &controller : options.controllers)
+	for (const auto &controller : options.controllers)
 	{
 		if (controller.type == InputDeviceToUse::ANY)
 		{
diff --git a/source/options.h b/source/options.h
index e2e5179..5777524 100644
--- a/source/options.h
+++ b/source/options.h
@@ -1,18 +1,16 @@
 #pragma once
 
-#include <SDL2/SDL_gamecontroller.h> // Para SDL_GameControllerButton
-#include <SDL2/SDL_stdinc.h>		 // Para Uint8
-#include "manage_hiscore_table.h"
-#include <vector> // Para vector
-#include "input.h"
-#include <string>
-enum class InputType : int;
-enum class ScreenFilter : int;
-enum class ScreenVideoMode : int;
+#include <SDL2/SDL_gamecontroller.h> // Para SDL_CONTROLLER_BUTTON_B, SDL_CO...
+#include <string>					 // Para string
+#include <vector>					 // Para vector
+#include "input.h"					 // Para InputType, InputDeviceToUse
+#include "manage_hiscore_table.h"	 // Para HiScoreEntry
+enum class ScreenFilter : int;		 // lines 10-10
+enum class ScreenVideoMode : int;	 // lines 11-11
 namespace lang
 {
 	enum class Code : int;
-}
+} // lines 14-14
 
 // Dificultad del juego
 enum class GameDifficulty
@@ -76,7 +74,7 @@ struct OptionsController
 {
 	int index;									   // Indice en el vector de mandos
 	int player_id;								   // Jugador asociado al mando
-	InputDeviceToUse type;									   // Indica si se utilizará teclado o mando o ambos
+	InputDeviceToUse type;						   // Indica si se utilizará teclado o mando o ambos
 	std::string name;							   // Nombre del dispositivo
 	bool plugged;								   // Indica si el mando se encuentra conectado
 	std::vector<InputType> inputs;				   // Listado de inputs
@@ -84,11 +82,9 @@ struct OptionsController
 
 	// Constructor por defecto
 	OptionsController()
-		: index(-1), player_id(-1), type(InputDeviceToUse::CONTROLLER), name(""), plugged(false)
-	{
-		inputs = {InputType::FIRE_LEFT, InputType::FIRE_CENTER, InputType::FIRE_RIGHT, InputType::START, InputType::SERVICE};
-		buttons = {SDL_CONTROLLER_BUTTON_X, SDL_CONTROLLER_BUTTON_Y, SDL_CONTROLLER_BUTTON_B, SDL_CONTROLLER_BUTTON_START, SDL_CONTROLLER_BUTTON_BACK};
-	}
+		: index(-1), player_id(-1), type(InputDeviceToUse::CONTROLLER), name(""), plugged(false),
+		  inputs{InputType::FIRE_LEFT, InputType::FIRE_CENTER, InputType::FIRE_RIGHT, InputType::START, InputType::SERVICE},
+		  buttons{SDL_CONTROLLER_BUTTON_X, SDL_CONTROLLER_BUTTON_Y, SDL_CONTROLLER_BUTTON_B, SDL_CONTROLLER_BUTTON_START, SDL_CONTROLLER_BUTTON_BACK} {}
 };
 
 // Estructura con todas las opciones de configuración del programa
diff --git a/source/path_sprite.cpp b/source/path_sprite.cpp
index e534428..a3dcb53 100644
--- a/source/path_sprite.cpp
+++ b/source/path_sprite.cpp
@@ -1,8 +1,8 @@
 #include "path_sprite.h"
-#include <cmath>	  // for abs
-#include <stdlib.h>	  // for abs
-#include <functional> // for function
-#include <utility>	  // for move
+#include <cmath>	  // Para abs
+#include <stdlib.h>	  // Para abs
+#include <functional> // Para function
+#include <utility>	  // Para move
 
 // Devuelve un vector con los puntos que conforman la ruta
 std::vector<SDL_Point> createPath(int start, int end, PathType type, int fixed_pos, int steps, const std::function<double(double)> &easingFunction)
diff --git a/source/path_sprite.h b/source/path_sprite.h
index dbc99af..52b6cfd 100644
--- a/source/path_sprite.h
+++ b/source/path_sprite.h
@@ -1,10 +1,10 @@
 #pragma once
 
-#include <SDL2/SDL_rect.h> // for SDL_Point
-#include <functional>	   // for function
-#include <memory>		   // for shared_ptr
-#include <vector>		   // for vector
-#include "sprite.h"		   // for Sprite
+#include <SDL2/SDL_rect.h> // Para SDL_Point
+#include <functional>	   // Para function
+#include <memory>		   // Para shared_ptr
+#include <vector>		   // Para vector
+#include "sprite.h"		   // Para Sprite
 class Texture;			   // lines 8-8
 
 enum class PathType
diff --git a/source/scoreboard.h b/source/scoreboard.h
index 163d2c5..873cb46 100644
--- a/source/scoreboard.h
+++ b/source/scoreboard.h
@@ -1,16 +1,17 @@
 #pragma once
 
-#include <SDL2/SDL_rect.h>	 // para SDL_Point, SDL_Rect
-#include <SDL2/SDL_render.h> // para SDL_Renderer, SDL_Texture
-#include <SDL2/SDL_stdinc.h> // para Uint32
-#include <SDL2/SDL_timer.h>	 // para SDL_GetTicks
-#include <memory>			 // para unique_ptr, shared_ptr
-#include <string>			 // para string
-#include <vector>			 // para vector
-#include "utils.h"			 // para Color
-class Sprite;
-class Text;
-class Texture;
+#include <SDL2/SDL_rect.h>	 // Para SDL_Point, SDL_Rect
+#include <SDL2/SDL_render.h> // Para SDL_Texture, SDL_Renderer
+#include <SDL2/SDL_stdinc.h> // Para Uint32
+#include <SDL2/SDL_timer.h>	 // Para SDL_GetTicks
+#include <stddef.h>			 // Para size_t
+#include <memory>			 // Para unique_ptr, shared_ptr
+#include <string>			 // Para string
+#include <vector>			 // Para vector
+#include "utils.h"			 // Para Color
+class Sprite;				 // lines 11-11
+class Text;					 // lines 12-12
+class Texture;				 // lines 13-13
 
 // Defines
 constexpr int SCOREBOARD_LEFT_PANEL = 0;
diff --git a/source/screen.cpp b/source/screen.cpp
index 3c0e7ec..265534d 100644
--- a/source/screen.cpp
+++ b/source/screen.cpp
@@ -6,12 +6,12 @@
 #include <algorithm>         // Para clamp, max, min
 #include <fstream>           // Para basic_ifstream, ifstream
 #include <iterator>          // Para istreambuf_iterator, operator==
-#include <string>            // Para allocator, operator+, to_string, char_t...
+#include <string>            // Para allocator, operator+, char_traits, to_s...
 #include <vector>            // Para vector
 #include "asset.h"           // Para Asset
 #include "dbgtxt.h"          // Para dbg_print
 #include "global_inputs.h"   // Para service_pressed_counter
-#include "input.h"           // Para Input, InputType, INPUT_DO_NOT_ALLOW_RE...
+#include "jail_shader.h"     // Para init, render
 #include "notifier.h"        // Para Notifier
 #include "on_screen_help.h"  // Para OnScreenHelp
 #include "options.h"         // Para Options, OptionsVideo, options, Options...
diff --git a/source/text.cpp b/source/text.cpp
index 02d2289..473d123 100644
--- a/source/text.cpp
+++ b/source/text.cpp
@@ -1,16 +1,16 @@
 #include "text.h"
-#include <SDL2/SDL_blendmode.h> // for SDL_BLENDMODE_BLEND
-#include <SDL2/SDL_pixels.h>	// for SDL_PIXELFORMAT_RGBA8888
-#include <SDL2/SDL_rect.h>		// for SDL_Rect
-#include <SDL2/SDL_render.h>	// for SDL_TEXTUREACCESS_TARGET
-#include <stddef.h>				// for size_t
-#include <fstream>				// for basic_ifstream, basic_istream, basic...
-#include <iostream>				// for cerr
-#include <stdexcept>			// for runtime_error
-#include "screen.h"				// for Screen
-#include "sprite.h"				// for Sprite
-#include "texture.h"			// for Texture
-#include "utils.h"				// for Color, getFileName, printWithDots
+#include <SDL2/SDL_blendmode.h> // Para SDL_BLENDMODE_BLEND
+#include <SDL2/SDL_pixels.h>	// Para SDL_PIXELFORMAT_RGBA8888
+#include <SDL2/SDL_rect.h>		// Para SDL_Rect
+#include <SDL2/SDL_render.h>	// Para SDL_TEXTUREACCESS_TARGET
+#include <stddef.h>				// Para size_t
+#include <fstream>				// Para basic_ifstream, basic_istream, basic...
+#include <iostream>				// Para cerr
+#include <stdexcept>			// Para runtime_error
+#include "screen.h"				// Para Screen
+#include "sprite.h"				// Para Sprite
+#include "texture.h"			// Para Texture
+#include "utils.h"				// Para Color, getFileName, printWithDots
 
 // Llena una estructuta TextFile desde un fichero
 std::shared_ptr<TextFile> loadTextFile(const std::string &file_path)
diff --git a/source/title.cpp b/source/title.cpp
index b8183c5..5655409 100644
--- a/source/title.cpp
+++ b/source/title.cpp
@@ -1,9 +1,10 @@
 #include "title.h"
 #include <SDL2/SDL_events.h>  // Para SDL_PollEvent, SDL_Event, SDL_KEYDOWN
-#include <SDL2/SDL_keycode.h> // Para SDLK_1, SDLK_2, SDLK_3
+#include <SDL2/SDL_keycode.h> // Para SDLK_1, SDLK_2, SDLK_3, SDLK_4, SDLK_5
 #include <SDL2/SDL_rect.h>	  // Para SDL_Rect
 #include <SDL2/SDL_timer.h>	  // Para SDL_GetTicks
-#include <string>			  // Para char_traits, operator+, to_string, bas...
+#include <stddef.h>			  // Para size_t
+#include <string>			  // Para char_traits, operator+, basic_string
 #include <utility>			  // Para move
 #include <vector>			  // Para vector
 #include "define_buttons.h"	  // Para DefineButtons
@@ -18,7 +19,7 @@
 #include "param.h"			  // Para Param, param, ParamGame, ParamTitle
 #include "resource.h"		  // Para Resource
 #include "screen.h"			  // Para Screen
-#include "section.h"		  // Para Options, options, name, Name
+#include "section.h"		  // Para Options, options, Name, name, AttractMode
 #include "sprite.h"			  // Para Sprite
 #include "text.h"			  // Para Text, TEXT_CENTER, TEXT_SHADOW
 #include "texture.h"		  // Para Texture
@@ -216,15 +217,15 @@ void Title::checkEvents()
 					resetCounter();
 					break;
 				}
-				case SDLK_4: // Muestra la asignacion de mandos
+				case SDLK_4: // Intercambia la asignación del teclado
 				{
-					showControllers();
+					swapKeyboard();
 					resetCounter();
 					break;
 				}
-				case SDLK_5: // Intercambia la asignación del teclado
+				case SDLK_5: // Muestra la asignacion de mandos y teclado
 				{
-					swapKeyboard();
+					showControllers();
 					resetCounter();
 					break;
 				}
@@ -343,5 +344,7 @@ void Title::showControllers()
 		}
 	}
 
+	// std::string spaces(lang::getText(100).length() + 3, ' ');
+	// std::string kb_text = spaces + lang::getText(69);
 	Notifier::get()->showText({text.at(0), text.at(1)});
 }
diff --git a/source/title.h b/source/title.h
index b66b950..7d56b0c 100644
--- a/source/title.h
+++ b/source/title.h
@@ -2,14 +2,17 @@
 
 #include <SDL2/SDL_stdinc.h> // Para Uint32
 #include <memory>			 // Para unique_ptr, shared_ptr
-#include "section.h"		 // Para Name
-class DefineButtons;
-class Fade;
-class GameLogo;
-class Sprite;
-class Text;
-class Texture; // lines 14-14
-class TiledBG;
+class DefineButtons;		 // lines 6-6
+class Fade;					 // lines 7-7
+class GameLogo;				 // lines 8-8
+class Sprite;				 // lines 9-9
+class Text;					 // lines 10-10
+class Texture;				 // lines 11-11
+class TiledBG;				 // lines 12-12
+namespace section
+{
+	enum class Name;
+}
 
 // Textos
 constexpr const char TEXT_COPYRIGHT[] = "@2020,2024 JailDesigner";