Decoration Ground

The snow block will be slippery but not the slopes

Bricks

Underground blocks cannot be broken but the "breakable brik" can break when you jump our groundpound on him as big mario, or if you throw a bob_omb or a koopa shell at the block
Invisible Blocks are activated when you jump under them

Lava

Lava is an instant kill

Blue and Orange Platform

With thoses platforms, you can jump under them to go upwards, it is like a one-way up

One Way

One ways can have 4 differents directions, to see the current direction, write /trigger Screen add 1

Spike

Spikes will make you lose your current power (or kill you if you are Small) on all sides

Flag Pole

Touch the green bar to end the level

Checkpoint

You can use several checkpoints into a level, they are not reusable

Mushroom

If you see one running, go grab it ! to become Big Mario (or Luigi)

Fire Flower

Grab it and become a fireman (expect that you launch fire instead of water by right clikcing the star)

Pipes

Pipes can be used for decoration, warps, Pirhana plants, or to summon a mob if there is not already one nearby, take a look at the tutorial for more info

Question Blocks

Questions blocks can spawn either a coin, a mushroom, a fireflower or a mob

Launcher

Place a mob on top of it and it will throw a mob in the player direction every 5s, if you are on top of the launcher, nothing will be thrown

Pirhana Plant

Place this one on top of a pipe and a Pirhana Plant will grow

Bullet Bill

Bullet Bills can be placed only on launchers

Goomba

Jump on them to kill them

Spring

Jump on them to bounce higher, grab them by pressing shift next to them and drop them by right clicking

Koopa

When you jump on a koopa, it transforms into a shell and start moving quicker, be aware, the shell kill everything and break bricks, you can grab the shell by pressing shift next to it, and launch it by right clicking 

Bob Omb

Place them every where, works also in pipes and launchers, when you jump on top of them, they become red and explode 4s after, during this time, you can grab them by pressing shift and drop them by right clicking

Thwomp

Place them everywhere, if you are less than 30 blocks under them, they'll fall until they found a block and then go back to their position

On/Off blocks

Activate the switch with: Jumps, Ground Pound, Thwomp, Koopa Shells, Bob Omb.

POW

POW blocks can be lifted, when dropped they explode and kill every enemy inside the field of view, can be set on pipes to appear, can also be activated by a Bob Omb or a koopa shell

Fire Plants

Fire plants are finally here, you can either place them on ground or in a pipe so that they appear like the normal pirhanna plant. They shoot big fireballs that will harm you

Star

Should i really explain you his purpose ? ; )