diff --git a/src/main.cpp b/src/main.cpp
index eb9927c..e7c79b2 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -20,6 +20,8 @@ int main() {
 
     std::shared_ptr<GameState> currentState = states["main_menu"];
 
+    currentState->init();
+
     bool running = true;
     while (running) {
         SDL_Event event;
diff --git a/src/states/InGameState.h b/src/states/InGameState.h
index b5a9bed..4f0516d 100644
--- a/src/states/InGameState.h
+++ b/src/states/InGameState.h
@@ -1,3 +1,6 @@
+#ifndef INGAME_STATE_H
+#define INGAME_STATE_H
+
 #include "../entities/Opponent.h"
 #include "GameState.h"
 #include <vector>
@@ -38,4 +41,6 @@ public:
     void renderItem(SDL_Renderer* renderer, Item i) const;
     void renderOpponent(SDL_Renderer* renderer, SDL_Texture* opponentTexture, Opponent o) const;
 
-};
\ No newline at end of file
+};
+
+#endif
\ No newline at end of file
diff --git a/src/states/MainMenuState.cpp b/src/states/MainMenuState.cpp
index 859fd90..42c0c0e 100644
--- a/src/states/MainMenuState.cpp
+++ b/src/states/MainMenuState.cpp
@@ -1,6 +1,14 @@
 #include "MainMenuState.h"
 #include <iostream>
 
+void MainMenuState::update() {
+    // Handle updates like animations if necessary
+}
+
+void MainMenuState::init() {
+    std::cout << "Main menu state initialized\n";
+}
+
 void MainMenuState::handleEvents(SDL_Event& event) {
     if (event.type == SDL_KEYDOWN) {
         switch (event.key.keysym.sym) {
diff --git a/src/states/MainMenuState.h b/src/states/MainMenuState.h
index d11caa4..76238e0 100644
--- a/src/states/MainMenuState.h
+++ b/src/states/MainMenuState.h
@@ -1,3 +1,6 @@
+#ifndef MAIN_MNU_STATE_H
+#define MAIN_MNU_STATE_H
+
 #include "GameState.h"
 #include <SDL2/SDL.h>
 #include <SDL2/SDL_ttf.h>
@@ -9,3 +12,5 @@ public:
     void update() override;
     void render(SDL_Renderer* renderer) override;
 };
+
+#endif
\ No newline at end of file