SXIZPO - Very short sounds at the start of each world.YYXPLOVS - 1 life, but when it says 99 lives you still have one.OPEKGG - Messes up the game but is fun to watch.IANXOU - Hold the B button to slow yourself down.
KKKKKK - You can't use turtles to break blocks.Grab it and after a message from the King, you'll go to World 2. A Koopa Kid should pop out, and he will die. Hold a turtle shell and throw it at the very top of the question mark that's right after the first warp tube in the game. AOSUZT - You can't break any question marks with your head.XYLOPN - Each level is mixed up in the middle.AOSZXI - When you enter a level it looks cool.EOEISA - Mario falls down in places where no holes are visible.EOPUPO - Illusions in level, Can't get a score.KSIIII - Bad guys are weird when you jump on them.KSUUUU - Map graphics are way different.LYULUY - Map screen graphics are different.
ZLLSTA - Green blocks in background have ice blocks in them.Also, when you die, you can play levels you beat already over and over again. PZLZXS - Hit a block, and it will appear somewhere else in the level.PLLSTA - Green background blocks in first level have notes in them jump on them for a Starman.