
While the original Japanese Super Mario Bros. This decision came following Nintendo of America's ruling that the original Japanese version of Super Mario Bros. Instead, the game was repurposed and changed to be a Mario title, with the characters and enemies all being skin-swapped to classic Mario characters. The game originally started life as a Family Computer Disk System game titled Yume Kojo: Doki Doki Panic, and was designed to be released alongside a Fuji Television electronics convention. Note that because these Warp Zones are both located in World 4-2, you can only choose to take one of them.Super Mario Bros. From here, simply run across the top of the level to enter the Warp Zone that leads to World 5. Near the end of the stage, you can ride an elevator platform to reach the top of the level. To warp to World 5, you will need to continue on towards the end of the level in World 4-2. This leads you to a special area with three Warp Zone pipes. Now hit the final block to spawn a vine that you can climb up and out of the level.


Jump to discover two invisible blocks, then break the two blocks to the right. Continue through World 4-2 to the area where three breakable blocks can be seen suspended in air, just before the two pipes with the Koopa Troop between them this is also right after the first elevator platforms. You can get there easily by using the steps above to warp to World 4-1. To do so, you will need to make your way through the game to World 4-2.
