diff --git a/include/td/display/state/MainMenuState.h b/include/td/display/state/MainMenuState.h
new file mode 100644
index 0000000..f4b250c
--- /dev/null
+++ b/include/td/display/state/MainMenuState.h
@@ -0,0 +1,15 @@
+#pragma once
+
+#include <td/display/DisplayState.h>
+
+namespace td {
+
+class MainMenuState : public DisplayState {
+  public:
+	MainMenuState(Display& a_Display);
+	~MainMenuState();
+
+	virtual void Update(float a_Delta) override;
+};
+
+}  // namespace td
diff --git a/src/main.cpp b/src/main.cpp
index 7850dcd..ee8f054 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,5 +1,5 @@
 #include <chrono>
-#include <td/display/state/DebugWorldState.h>
+#include <td/display/state/MainMenuState.h>
 
 float GetDelta() {
 	static std::chrono::time_point<std::chrono::system_clock> m_LastTime = std::chrono::system_clock::now();
@@ -13,7 +13,7 @@ int main(int argc, char** argv) {
 	// init GL context
 	td::Display display(1920, 1080, "Tower-Defense 2");
 
-	display.ChangeState<td::DebugWorldState>();
+	display.ChangeState<td::MainMenuState>();
 
 	while (!display.IsCloseRequested()) {
 		display.PollEvents();
diff --git a/src/td/display/state/MainMenuState.cpp b/src/td/display/state/MainMenuState.cpp
new file mode 100644
index 0000000..a71bf6e
--- /dev/null
+++ b/src/td/display/state/MainMenuState.cpp
@@ -0,0 +1,18 @@
+#include <td/display/state/MainMenuState.h>
+
+#include <td/display/state/DebugWorldState.h>
+#include <imgui.h>
+
+namespace td {
+
+MainMenuState::MainMenuState(Display& a_Display) : DisplayState(a_Display) {}
+MainMenuState::~MainMenuState() {}
+
+void MainMenuState::Update(float a_Delta) {
+	ImGui::Begin("MainWindow");
+	if(ImGui::Button("Start debug world"))
+		m_StateMachine.ChangeState<DebugWorldState>();
+	ImGui::End();
+}
+
+}  // namespace td