diff --git a/App.c b/App.c
new file mode 100644
index 0000000..ed61454
--- /dev/null
+++ b/App.c
@@ -0,0 +1,32 @@
+
+#include "App.h"
+#include "Input.h"
+#include "Physics_Component.h"
+#include "Player_Component.h"
+#include <stdlib.h>
+
+
+App *app_NewApp() {
+	App *app = malloc(sizeof(App));
+
+	app->input   = input_NewSystem(app);
+	app->physics = physics_NewSystem(app);
+	app->player  = player_NewSystem(app);
+
+	return app;
+}
+
+void app_DeleteApp(App *app) {
+	input_DeleteSystem(app->input);
+	physics_DeleteSystem(app->physics);
+	player_DeleteSystem(app->player);
+
+	free(app);
+}
+
+
+void app_Advance(App *app, Duration deltaTime) {
+	input_Advance(app->input);
+	player_Advance(app->player, deltaTime);
+	physics_Advance(app->physics, deltaTime);
+}
diff --git a/App.h b/App.h
index 9ddb249..7ae70c4 100644
--- a/App.h
+++ b/App.h
@@ -4,6 +4,7 @@
 #include "Physics_Component.h"
 #include "Player_Component.h"
 #include "Input.h"
+#include "Types.h"
 
 
 typedef struct _App {
@@ -11,3 +12,9 @@ typedef struct _App {
 	System_Player  *player;
 	System_Input   *input;
 } App;
+
+App *app_NewApp();
+void app_DeleteApp(App *app);
+
+void app_Advance(App *app, Duration deltaTime);
+void app_Render();