An odd instruction in the code has been analyzed, and it appears the Warp Zones do not work in the way they were designed. Let's fix the Minus World bugs! Featured Game Genie Codes: (Take note that I have not tested all of these with a real cartridge) Scroll Lock/Unlock Fix OKXULN - AND to CMP AEXUGY - Mario YPage to #$00 Pipe Trio Fix OKXULN - AND to CMP AEXUGY - Mario YPage to #$00 SXULZN - Pipes Exit up to 1-2 0:00 Introduction 1:13 How a Mario Level is built 2:41 SMB Utility (Level Editor) 5:56 Objects and Enemies for Minus World 8:29 Analysis with Emulation 11:42 Scroll Lock/Unlock Fix 12:42 Pipe Trio Fix 14:53 Outro