Mario Maker 3

Mario Maker 3 is the third entry in the Mario Maker series first revealed in a Nintendo Direct. Many features were revealed in said direct, and we'll be listing them here.

Editor's Note: You are allowed to add anything you want on here, just make sure you explain it if its some sort of new mechanic.

New Editor Features

 * All unique level effects (such as low gravity or upside down camera), excluding water and lava, can be removed or added to a level of it is available.
 * The Flagpole can be moved, removed, or replaced with a Magic Orb. A secret Flagpole/Magic Orb can also be added, which allows secret exits in super worlds.
 * Clear conditions can instantly clear a level once collected if the maker chooses.
 * The main area can be vertical, and a second sub area is now available.
 * Mario's starting position can be moved.
 * You can pick the music for each area, meaning you can have desert music in a castle for example.
 * Various themes have alternate skins, which only change the aesthetics.
 * Items and enemies can be assigned their weird behaviors. These are how they act in the Ground night theme in MM2.

New Super World Features

 * Super Worlds are now 10x10.
 * Green and Blue warp pipes can be placed.
 * Switches in the overworld remove their respective gate. They come in Red, Blue, and Green.
 * If the secret flag/magic orb is found in a level, a hidden path is revealed instead of the main path.

Game Styles
There are 5 main styles and 2 extra styles currently known.

Main Styles

 * Super Mario Bros: Wall jumping, holding objects, ground pounding, spin jumping and twirling aren't available.
 * Super Mario Bros 3: Wall jumping, spin jumping, twirling and ground pounding aren't available.
 * Super Mario World: Wall jumping, ground pounding and twirling aren't available.
 * New Super Mario Bros: Twirling isn't available.
 * New Super Mario Bros U: All of Mario's moves can be used.

Extra Styles

 * Super Mario 3D World: The only 3D style. Objects can be placed in the background, which the player can switch too and from using Blue Cannons.
 * Yoshi's Island: The only game style to feature Yoshi as a playable character. Has many unique mechanics.

Level Themes
All themes have a Nighttime skin. Themes in bold are new.
 * Ground
 * Underground (Can feature upside down camera)
 * Underwater (Can feature darkness)
 * Ghost House (Can feature darkness)
 * Airship (Features wobbly camera)
 * Castle (Features lava)
 * Desert (Can feature wind)
 * Snow (Can feature slippery ground)
 * Forest (Features water) [Has a Beach skin]
 * Sky (Can feature low gravity)
 * Tower (Can feature a rising wall of fuzzies) [Has an Abandoned Tower skin]
 * Volcano (Can feature falling Volcanic debris)

Power Ups
Any item that grants Mario new abilities goes here, this includes Yoshi, Clown Cars, and 3D World Masks.

All Main Styles (1, 3, World, DS, U)

 * Super Mushroom: Makes you larger and able to break bricks.
 * Fire Flower: Allows you to shoot fire balls.
 * Ice Flower: Allows you to freeze enemies. Frozen enemies can be picked up. Variant of the Fire Flower.
 * Super Star: Makes you temporarily invincible and very fast.
 * 1-Up Mushroom: Gives you an extra life.
 * Rotten Mushroom: Deals 1 hit of damage when touched, then disappears. Variant of the 1-Up.
 * Mini Mushroom: Makes you small and floaty, and makes you die in 1 hit.
 * Clown Car: [add new variants later]
 * 3D World Masks: [add more later]

Super Mario Bros

 * Master Sword: Variant of the Super Mushroom. Transforms you into Link.
 * SMB2 Mushroom: Variant of the Super Mushroom. Transforms you into your SMB2 form.
 * Superball Flower: Variant of the Fire Flower. Allows you to shoot superballs.
 * Big Mushroom: Allows you to break blocks and makes you larger.
 * Mystery Mushroom: Allows you to play as many different characters.
 * Goomba Shoe: Can be placed independently from the Goomba.

Super Mario Bros 3

 * Super Leaf: Allows you to fly for a bit after building speed.
 * Frog Suit: Gives you more control underwater, and allows you to run on water after building speed.
 * Hammer Suit: Allows you to throw hammers.
 * Goomba Shoe: Can be placed independently from the Goomba.

Super Mario World

 * Cape Feather: Allows you to fly after building up speed.
 * P Balloon: Turns you into a balloon and allows you to freely fly around.
 * Yoshi Wings: When touched while on a Yoshi, these transport you to a sub area of the creator's choice.
 * Yoshi Egg: Hatches a green or red Yoshi that can be ridden on.
 * Baby Yoshi: Comes in 3 different colors that act how they did in NSMBU.

New Super Mario Bros

 * Blue Shell: Hold down to hide in your shell, making you immune to most damage! Running puts you into your shell, where you slide around like a Koopa would!

New Super Mario Bros U

 * Propeller Mushroom: Press ZR to get a large burst of height upwards!
 * Super Acorn: Glide through the air and press ZR for a burst of height upwards!
 * Yoshi Egg: Hatches a green or red Yoshi that can be ridden on.
 * Baby Yoshi: Comes in 3 different colors that act how they did in NSMBU.

Super Mario 3D World

 * Cat Suit: Allows you to climb walls, scratch enemies, and pounce in the air!
 * Super Hammer: Allows you to swing your hammer to break blocks and hit enemies, and summon boxes!
 * Boomerang Flower: Allows you to throw boomerangs!
 * Double Cherry: Creates a copy of you that copies your actions!

Yoshi's Island

 * Metamorphosis Bubble: Can be in 1 of 5 forms, with each transforming Yoshi into a different form.

New Enemies
Any new enemies will be listed here.

All Main Styles (1, 3, World, DS, U)

 * Fire Bro (Variant of Hammer Bro)
 * Heavy Fire Bro (Variant of Hammer Bro)
 * Boomerang Bro (Variant of Hammer Bro)
 * Balloon Boo (Variant of Boo)
 * Snow Spike (Variant of Spike)
 * Micro Goomba (Variant of Goomba)

Super Mario Bros 3

 * Buster Beetle (Variant of Buzzy Beetle)

Super Mario World

 * Eerie (Variant of Boo)

3D World

 * Boomerang Bro (Variant of Hammer Bro)
 * Snow Spike (Variant of Spike)
 * Boo Buddies (Variant of Boo)
 * Muncher
 * Dry Bones Shell

New Super Mario Bros

 * Mummipokey
 * Cheepskipper
 * Petey Piranha
 * Monty Tank
 * Lakithunder
 * Dry Bowser

New Blocks

 * [Main Styles + 3D World] Roulette Block (Can have up to 5 different items put inside)
 * [Main Styles] Spiked ? Block (Can have an item/enemy put inside, otherwise gives a coin)