NOTE: Unless otherwise noted, all names are conjectural.
Graphical
Walk the Pipe
In any area with a Warp Pipe, Mario must dash to the top and swiftly press . Mario goes through the pipe, but he is shown walking as if as he did not.
One-Frame Small Mario
During the battle with Tatanga, Super Mario must defeat him and be hit at the same time. This causes Mario to turn directly into Small Mario, instead of playing the full-frame animation.
Audio
Death and Hit Mash-Up
In Muda Kingdom-1, Mario must get hit by a Honen at the same time he falls from the bottom side of the screen. If this is done, a glitchy sound made of the death and getting hit sound effects play.
Power-Up and Fire Mash-Up
In Muda Kingdom-3, Mario must auto-fire a wall while he is turning into Super Mario. This causes a glitchy sound to play.
Scripting
Ganchan's Coin
During the battle against Hiyoihoi, Mario must be on the left edge of the Hiyoihoi's platform. If done correctly, every time the boss throws a Ganchan, Mario collects it as a coin.
Out of Bounds (Version 1.0 only)
In Chai Kingdom-3, Mario must press while being pushed off against the left side of the screen by a wall or object. If done correctly, Mario does not lose a life and reappears in the right side of the screen. If pushed by object while invincible, Mario is able to lose a life.[1]
Scroll Control
At the end of a level, the player must scroll the screen, come back and scroll the screen again. This can cause platforms, enemies and even bosses to move out of bounds.
Star Crash
The game may crash if the influence of a Super Star terminates as Mario touches enemies.
Superball and Yurarin Boo
In Muda Kingdom-1, Mario must be Superball Mario and throw a Superball at a Yurarin Boo, hitting it. After this, the superballs simply go through the Yurarin, instead of hitting it.
Under the Pipe Travel
In a bonus room in Muda Kingdom-1, Mario must break the two Brick Blocks under the pipe and jump to the left side of the gap. If done correctly, Mario freezes in his jump pose and goes left, as if as he went through the pipe.
Untouchable Piranha Plant
Sometimes, if Mario jumps onto a Piranha Plant, he goes right through it without getting harmed.
Wall Jump
If Mario jumps at a correct spot of a wall and jumps again, he can do a Wall Jump-like trick.
. Mario goes through the pipe, but he is shown walking as if as he did not.
while being pushed off against the left side of the screen by a wall or object. If done correctly, Mario does not lose a life and reappears in the right side of the screen. If pushed by object while invincible, Mario is able to lose a life.[1]
