-#include "video/drawing_context.h"
-#include "lisp/lisp.h"
-#include "lisp/parser.h"
-#include "lisp/list_iterator.h"
-#include "tile.h"
-#include "tile_manager.h"
-#include "resources.h"
+#include "video/drawing_context.hpp"
+#include "lisp/lisp.hpp"
+#include "lisp/parser.hpp"
+#include "lisp/list_iterator.hpp"
+#include "tile.hpp"
+#include "tile_manager.hpp"
+#include "resources.hpp"