Killer Instinct 2 Game System: MAME Cheat Category: Cheat Game Company: Unknown Game Category: Unknown Hint, Cheat, Walkthrough:   Killer Instinct 2 ================= =>Boss Code: On the Player Select screen, hold U and press FP MP MK FK MP QP QK MK - or, 3 2 5 6 2 1 4 5. ---------------------------------------------------------------------- This game aid is used with kind permission of David F. Dayton from David Dayton's Nintendo Codebook Version 4.5 Download the latest version from: http://www.bigfoot.com/~daviddayton