you can get into the pipe before the correct warp labels are assigned.In the NES version of Super Mario Bros., the "minus world" was a looping, uncompleteable copy of world 2-2. In the FDS version, however, it is an underwater 1-3, 2-3, and an underground 4-4, making it completable. Completing the game this way would give the "in another castle" message, but would return to the title screen as if 8-4 had been beaten; hard mode and the level become accessible, as well.Low-Gravity Mario (SMB1)When a level starts, Mario is in a special state regarding falling speed until he jumps for the first time. He regains this state whenever there is a screen transition (when a new level starts or after exiting a pipe). This is not useful for speedrunning.TODO: Add image (1-1 after exiting the pipe, landing on the two goombas).Koopa walking in mid-air (SMB1)Usually, when a shell is being landed on in mid-air, it will just turn around and continue falling down. But if a shell is being landed on at the bottom of the screen (within the first two rows of blocks), the shell will not be falling down anymore, mysteriously. When the Koopa Troopa starts walking, he will be walking in mid-air and he will be able to walk through solid obstacles.TODO: Add image.Enemies, firebars, or platforms not appearing (SMB1/SMB2J)Sometimes enemies or objects will not appear when they are supposed to normally. When there are 5 or more object sprites on the screen (this can include firebars, fireballs, and platforms) this will occur. One of the most bizarre cases of this is seen in level 4-4 of SMB2J (The Lost Levels). If you approach Bowser the moment 5 other sprites are on screen, Bowser will not spawn. It is as if you've already defeated him.TODO: Add image.Things to add in the futureitems not appearingtrampoline glitchLift glitches (4-3 oddities)Transforming Spineys into Koopas + Goombas to dead Koopas"Silk glitch" (bullet stuck in mid-air)Vertical screen wraparound, also smb2j lift glitchesAlternate music level ending (trick/glitch?)Inside flagpole without activating endUsing screen edge+block to climb upwardsDucking in waterGetting inside of enemies (few different ways)Killing enemies twiceDying twiceWin/lose at same timeEntering floors (use of invisible blocks)Shell combo-ing/interesting notesFlagpole death finish (die continuously and win)Jumping Koopas moving unusual directionsChanging Enemy movement by getting hitScaling walls verticallyMaking items/enemies fall through blocksJumping through ceilings (use of mushroom jump)Vine types and other glitches (what vine does when L+R is used, strange vines)Running/walking over gapsUsing springs to go through ceilingsFalling downward through certain block patternsStupid SquidGetting Stuck in odd placesGoing through walls (while on a moving platform or with wind - smb2j)Correct Maze patterns may not always workNew area reload from mazes (disappearing enemies/fireballs)Bowser killed with 3 fireballs instead of 51-up appearances x-1 levelsAbove/below screen jumping/shooting won't workGetting too many livesNever ending levels (no timer trigger)Flagpole wraparound glitchgetting hit while going to -1 world (firey small mario)Memory AddressesAddressName077F21 Frame Rule006DLevel X 2nd0086Level X0400X Subpixel03ADOn Screen X071DCamera X0057X Speed0705X Speed Sub (subsub)0483Bowser HP00CEY Pixel0416Y Subpixel009FY Speed (pixel?)000FEnemy 1 Loaded0010E2 Loaded0011E3 Loaded0012E4 LoadedSee alsoGame Resources we have resource pages for other games