· If you enter the initials "JORDAN.LTD" for your high score, it chops off the “.LTD” part and adds two credits. This trick may be why the U.S. version was modified to only allow 3 characters (the Japanese version allows 10). A “fixed” version can be found at: http://www.arcadecollecting.com/crazy/cchack/.
· On the second building, when you arrive at the electrical sign, climb up the left side until you’re under the wire. Keep both joysticks pressed (one up and one down). After a few seconds you’ll become red with white hair and the wire won’t harm you (see picture).