2201
In Super Mario World, the variable that determines which way Mario is facing has two values that are used - left and right - and 254 unused values. Making Mario face these "extradimensional directions" can distort him, discolor him, or even turn him into eggs.
2202
In Donkey Kong Country 2, a Klobber enemy that is dropped into lava does not actually die. Instead, it is teleported so far up that it takes 3 minutes for it to fall down. If the player waits in that spot for 3 minutes, the Klobber will fall down from the sky.
2203
There is a single Star Bit in Super Mario Galaxy that spawns only when the game is not played in widescreen.
2204
In Paper Mario: The Origami King, characters have back sprites for all animations, including ones that would never be seen from the back during regular gameplay. One of Bowser Jr.'s unseen back sprites has one of his legs detached from his body, floating in midair high above him.
2205
Mario Party 2 contains a debug animation test for player models, including various costumes. All of them mostly work correctly, except for Cowboy Luigi, who seems corrupted. Every time Cowboy Luigi is loaded, there is a chance that his model will be completely scrambled.
2206
A SNES test cartridge used internally at Nintendo to diagnose problems with the hardware contains a graphics test called "Look for clear image of princess flipping", which consists of Peach flipping side to side and upside-down while Mario and Luigi watch.
2207
1993 Super Mario Bros. movie concept art for Toad.
2208
The Koopa Bros. from Paper Mario are a clear reference to the Teenage Mutant Ninja Turtles, however, in most versions it is limited to their visual design. The German version takes it further and gives them names that parody the TMNT: Citronello, Melanzano, Pomodoro and Asparago.
2209
Artwork of a Winged Yoshi in a unique style, found in the official 1992 Japanese guide for the puzzle game "Yoshi" for the Famicom.
2210
A demo version of Mario Kart: Double Dash found on a European GameCube multi-demo disc contains an early model for the Freezies seen on the Sherbet Land track, who have the word "COOL" in place of their mouths. Here is a comparison between the early and finished Freezies.
2211
Despite looking much more detailed, the model for the coins in Super Mario Odyssey is actually 65% simpler than the one used in Super Mario Galaxy, due to taking advantage of modern rendering techniques. Details in image.
2212
In Mario Kart Wii, each vehicle has seven stats (speed, acceleration, drift etc.), which are each modified depending on the chosen driver. By analyzing all driver-vehicle combinations, it is revealed that the one with the highest stat total is Baby Peach riding the Quacker.
2213
Datamining Miitopia reveals that some Yoshi colors and a Toad color are referred to differently internally at Nintendo than they are called publicly. Light Blue Yoshi is Sky Blue Yoshi, Blue Yoshi is Vivid Azure Yoshi, and Purple Toad is actually Fuchsia Toad.
2214
In Super Paper Mario, it is possible to "bully" Mr. L by stealing his drinks. When his health is low, Mr. L attempts to restore it with a Shroom Shake. By using Thoreau, Mario can grab the Shroom Shake out of Mr. L's hands and add it to his own inventory.
2215
During the second mission of Pounce Bounce Isle in Super Mario 3D World + Bowser's Fury, a "Phantom Blockstepper" event can occur. If one of these Blocksteppers falls off the ledge, it will become glitched and continuously materialize and dematerialize out of existence.
2216
Extremely rare officially licensed 1990 Mario mask.
2217
Development files for Super Mario World contain graphics for the "block dancer", a simplistic egg-like creature that would dance on a row of blocks. Nothing else is known about it, as it appears only a single time in a file from July 12, 1990 and is never seen again.
2218
A 1996 Super Mario 64 manga suggests that 1-Up Mushrooms grow from the bodies of dead Marios, perpetuating the cycle of life and death.
2219
Please note that these manga are filled with jokes and eccentric theories such as this: twitter.com/MarioBrothBlog…, so this should be taken more as an interesting thought experiment than anything that would actually be endorsed by Nintendo!
2220
In Super Mario Sunshine, it is FLUDD that makes Mario take damage when falling from great heights. While not wearing FLUDD, Mario can fall from any height unharmed. When wearing it, he will take fall damage instead.
2221
Whenever Mario remains idle for long enough in Super Mario Odyssey, he will fall asleep, whereupon a bird native to the area may land on his nose. However, there is an extremely rare event where instead of the regional bird, a UFO will land on Mario's nose instead.
2222
In Super Paper Mario, Tippi appears as an abstract geometrical butterfly without a face. To make her more expressive, the official Super Mario-kun manga adaptation of Super Paper Mario completely redesigned her to be more in line with regular Mario series character designs.
2223
Mario Party 8 contains a debug room that consists of nothing except MC Ballyhoo standing in a dark void, holding two Mii heads in his hands and wearing a third Mii head as a hat.
2224
In Donkey Kong 64, if a Kong plays an instrument while sliding off a ledge into water, the game will lag immensely and produce harsh, corrupted noise for the duration of the instrument scene, whereupon it will return to normal as though nothing happened. (Warning: loud sound.)
2225
Officially licensed 1993 British Toad figurine.
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