diff -up supertuxkart-0.3/src/user_config.cpp~ supertuxkart-0.3/src/user_config.cpp
--- supertuxkart-0.3/src/user_config.cpp~	2007-08-15 13:45:09.000000000 +0200
+++ supertuxkart-0.3/src/user_config.cpp	2007-08-15 13:45:09.000000000 +0200
@@ -108,7 +108,7 @@ void UserConfig::setDefaults()
 {
     setFilename();
     m_keyboard_debug   = false;
-    m_fullscreen       = false;
+    m_fullscreen       = true;
     m_no_start_screen  = false;
     m_sfx              = UC_ENABLE;
     m_music            = UC_ENABLE;