Don’t use the stable release from two years ago. Download the latest from the official XEMU site. Recent builds have major GPU improvements for DICE’s rendering tricks.
Common issues & fixes
As of Xemu v0.7.132 and later, Rallisport Challenge 2 has undergone a quiet revolution. What was once a poster child for "won't run properly" has become a showcase for just how far original Xbox emulation has come.