Bee Mushroom: transforms Mario into Bee Mario, allowing him to fly for a short time, walk on clouds and flowers, and stick to honeycombs.
Blue Shell: transforms Mario into Shell Mario, letting him slide as a shell, hide to block most attacks, and swim faster.
Boo Mushroom: transforms Mario into Boo Mario, allowing him to go through fences and read Booish.
Boomerang Flower: transforms Mario into Boomerang Mario, allowing him to throw boomerangs.
Bubble Flower: transforms Mario into Bubble Mario, which allows him to blow bubbles that captures most enemies and transform them into a coin. Mario can also jump off of them.
Cape Feather: transforms Mario into Cape Mario, letting him fly, glide, ground smash, and cape spin foes.
Carrot: transforms Mario into Bunny Mario, allowing him to slow his descent or hover in midair.
Cloud Flower: transforms Mario into Cloud Mario, allowing him to create up to 3 cloud platforms, make floaty jumps, and walk on clouds.
Double Cherry: transforms Mario into Double Mario, which creates a copy of himself that copies his every move.
Drill Mushroom: transforms Mario into Drill Mario, allowing him to defend against attacks coming from above, drill into breakable objects, as well as burrow both underground and into the ceiling.
Elephant Fruit transform Mario into Elephant Mario, allowing him to attack and defeat enemies by swinging his trunk at them. He can also break through blocks from below or the side, dash across two-block-wide gaps, and carry large snail shells.
Frog Suit: transforms Mario into Frog Mario, allowing him to swim faster in any direction and jump higher.
Fire Flower: transforms Mario into Fire Mario, allowing him to throw fireballs.
Gold Flower: transforms Mario into Gold Mario, allowing him to launch golden fireballs, which explode with a small blast radius.
Goomba’s Shoe: Kuribo's Goombas hop around in them. If Mario attacks them from below, the Goomba is knocked from the shoe, allowing Mario to hop into the shoe and ride in it himself. With it Mario is able to easily hop across spikes and sharp-toothed or spiky enemies.
Hammer Suit: transforms Mario into Hammer Mario, allowing him to throw powerful hammers and block enemies' fireballs by crouching.
Ice Flower: transforms Mario into Ice Mario, allowing him to throw Ice Balls.
Ice Flower: transforms Mario into Ice Mario, his body turns into solid ice with cold air flowing out. This form grants him the ability to skate on water, as well as freeze any water or lava that he touches.
Mega Mushroom: transforms Mario temporarily into Mega Mario, making him giant and able to destroy everything in his path.
Metal Cap: transforms Mario temporarily into Metal Mario, making him invincible and heavier, allowing him to walk underwater.
Mini Mushroom: transforms Mario into Mini Mario, letting him walk on water, make floaty jumps, enter tiny passages and walk on walls.
P-Wing: transforms Mario into Raccoon Mario, but also gives him infinite flight for one level.
Penguin Suit: transforms Mario into Penguin Mario, letting him slide on his belly, throw Ice Balls, swim more freely and stops him from sliding on ice.
Power Balloon: transforms Mario temporarily into Balloon Mario, allowing him to float.
Propeller Mushroom: transforms Mario into Propeller Mario, allowing him to whirl upwards quickly and fall slowly after whirling.
Red Star: transforms Mario temporarily into Flying Mario, allowing him to fly freely by spinning.
Rock Mushroom: transforms Mario into Rock Mario, allowing him to destroy enemies and objects by rolling into them.
Rock Mushroom: transforms Mario into Rock Mario, allowing him to destroy enemies and objects by rolling into them.
Spring Mushroom: transforms Mario into Spring Mario, allowing him to jump higher.
Statue Leaf: transforms Mario into his Tanooki form, like the Tanooki Suit. He can use his tail to slowly float down or fly for a short time, as well as tail whip enemies and blocks. He also has the ability to transform into a statue and hazards.
Super Acorn: transforms Mario into Flying Squirrel Mario, allowing him to glide midair jump, and cling to walls.
Superball Flower: transforms Mario into Superball Mario, allowing him to throw superballs, also changes his colors to those of the old Game Boy.
Super Bell: transforms Mario into Cat Mario, allowing him to climb up walls and poles, claw and pounce at enemies, and dash on all fours.
Super Hammer: transforms Mario into Builder Mario, allowing him to use a hammer to break Hard Blocks and defeat enemies.
Super Leaf: transforms Mario into Raccoon Mario, allowing him to fly, glide to slow his descent, and tail whip to attack enemies.
Super Mushroom: transforms Mario into Super Mario, allowing him to withstand taking damage once, break Brick Blocks, and find other power-ups in blocks.
Super Star: transforms Mario temporarily into Invincible Mario, allowing him to destroy most enemies by touch, while immune to all attacks.
Tanooki Suit: transforms Mario into Tanooki Mario, giving him the same abilities as Raccoon Mario, but also lets him briefly turn into a statue.
Wing Cap: transforms Mario temporarily into Wing Mario, allowing him to fly after performing a Triple Jump or being shot from a cannon.