2076
Mario vs. Donkey Kong 2: March of the Minis contains bug reports made during development in its files. Some of the errors are described in a very informal manner, such as "shouldn't be getting this guy" or "Where's Mario???"
2077
In Super Mario 64, the Mad Piano only wakes up at the sound of Mario running, not walking or jumping. With a combination of walking and a backwards somersault, it is possible the collect the red coin the piano is guarding without waking it up.
2078
A 2005 issue of Nintendo Power featured a comedy section that included a "new look for Mario based on feedback from focus groups", using this illustration. Here is the Mario artwork used, isolated from the background.
2079
@GoddammitBaz The background was a crumpled sheet of paper with additional arrows and comments; it is provided below. Thank you very much for your inquiry!
2080
In the September 1999 kiosk demo for Donkey Kong 64, only three specific events could be played; however, other areas remain in the code. If Jungle Japes is accessed and Diddy Kong is approached on that map, he will keep repeating "HELP ME! I'M TRAPPED" in the manner depicted.
2081
Super Paper Mario contains what could be arguably considered the most visually simplistic characters in the Mario franchise: the rare Dark Barribad and Dark Longator enemies, which appear as a featureless black circle and rectangle, respectively.
2082
2009 British three-part print ad for New Super Mario Bros. Wii.
2083
In Super Mario World, Yoshi is normally forbidden from entering castles and ghost houses. Using cheats to bypass this limitation reveals that when taken to certain ghost houses, Yoshi will become translucent, appearing as though he turned into a ghost himself.
2084
In Super Mario Galaxy 2, Mario's speed is very slightly, nearly imperceptibly, dependent on whether he is moving parallel or perpendicular to the camera. Jumping parallel to the camera makes him achieve 3.88% higher speed.
2085
Addendum: I apologize for any ambiguity due to the phrasing in the post; the "camera plane" is simply another way to say "the screen". Below are illustrations of what it means for Mario to move parallel or perpendicular to it.
2086
Very early alternate design for Princess Peach seen in an officially licensed January 1986 picture book from Japan.
2087
The Mario game that can be beaten the fastest is Super Mario Bros. 3, which can be completed in 19 frames, or 0.316 seconds, by pressing buttons very quickly during startup to execute unintended code. Below is every frame from starting up the game to finishing it.
2088
When Mario falls off the Wing Mario Over the Rainbow secret course in Super Mario 64, he will fall into the castle moat. However, his health is not reset during this. If Mario falls after hitting a ledge and reaching 0 health, he will instantly drown upon touching the water.
2089
In a 1990 interview, Shigeru Miyamoto revealed that a sketch of Mario riding a dinosaur he drew for Super Mario Bros. in 1985 was hanging above his desk for five years until he finally was able to implement Yoshi in Super Mario World.
2090
The prototype version of Donkey Kong 64 had highly exaggerated animations for Chunky Kong that were toned down in the final game. During his punching animation, his fist would briefly grow to roughly the size of his body.
2091
Super Mario Galaxy contains zones called "NoSleepAreas", placed wherever it would be inappropriate for Mario to fall asleep when idling, such as in boss battles. However, no such zone exists in front of Luigi's prison, allowing Mario to sleep while Luigi is pleading him for help.
2092
Opening up the Star Fox SNES cartridge reveals that the Super FX 3D graphics chip is actually called "MARIO CHIP" as printed on the unit. This is an acronym for "Mathematical Argonaut Rotation & Input/Output" (Argonaut being the name of the studio that developed the chip).
2093
The Wii BIOS contains this extremely small picture of Mario in its files. As such, Mario can technically be said to have been on every Wii console ever made, regardless of whether the owner has ever played a Mario game on it.
2094
Addendum: as pointed out by reader @EleanorJayynes, there are also in fact Mario graphics used in the BIOS in another spot, the Wii Shop Channel download animation (seen below). I apologize for overlooking these and hope the icon in my post is still notable.
2095
In 2016, Nintendo trademarked the Super Mario Bros. coin sound. Below is the trademark application document, which provides official sheet music for the sound.
2096
The Game Boy version of Dr. Mario becomes unplayable upon reaching Level 28, as Dr. Mario himself simply fails to appear on screen, causing the round to never start.
2097
It is easy to assume that the Boomerang Flower power-up was inspired by the Boomerang Bro enemy. However, according to Super Mario 3D Land director Koichi Hayashida, it was actually inspired by Pom Pom instead. Details in image.
2098
The Donkey Kong arcade has rudimentary copyright protection where the game crashes if it detects changes to the title screen copyright. However, it only checks the "INTEND" part of "NINTENDO", so that changing the first or last letters results in the game working normally.
2099
The Art of Super Mario Odyssey book reveals an early concept for the Seaside Kingdom that was drastically different from the finished game and would have featured the contrast between a beach resort and a haunted horror area with a "realistic ghost boss".
2100
In Super Paper Mario, extra points are awarded to the player for shaking the Wii Remote after jumping on an enemy. The secret to getting the highest score multiplier is to shake the Wii Remote in a way that is not parallel to any of its axes in 3D space. Details in image.
Additional obscure Mario content for suppermariobroth.com.
Now on Patreon: patreon.com/suppermariobro…