* MilestoneCelebration: Nintendo declared the year 2013 "TheYearOfLuigi" to celebrate the 30th anniversary of Luigi's debut in this game.
** Aside from ''VideoGame/DonkeyKong'', ''Mario Bros.'' is Nintendo's most-ported game ever, being one of the very few games to be on the Atari 2600, 5200, ''and'' 7800. It was also ported to virtually every home computer of the era and has been re-released many times since then, as an embedded game in ''VideoGame/SuperMarioBros3'', a minigame in the ''Super Mario Advance'' series, a swipeable card-loading version for the short-lived e-Reader, and a Virtual Console release (the later two being ports of the [=NES=] version).
** The arcade game proper didn't get a re-release until for the Nintendo Switch under the Archive Archives series [[note]]ported, published, and distributed by Hamster--known for its UsefulNotes/NeoGeo ports for the same system--under license.[[/note]].
* ScrewedByTheLawyers: The original arcade version may or may not be one of the games that was developed by Ikegami Tsushinki[[note]]A maker of professional broadcasting equipment and TV cameras who sued Nintendo, claiming rights to the source code for VideoGame/DonkeyKong, and who (successfully) claimed that Nintendo illegally used that code to develop ''Donkey Kong Junior'', and possibly other games, including Mario Bros..[[/note]] on Nintendo's behalf. In any case, it has since been both averted and subverted; averted, since it's now getting a console re-release for first time, and subverted, because it's not coming from Nintendo themselves. Instead, it's coming from a third party as an officially licensed product, in this case, a company called Hamster, who has ported the game and is releasing it under the previously mentioned Arcade Archives series[[note]]And who likely made their own deal with Ikegami, assuming it actually was them who made the original arcade version.[[/note]]