Topic, BlockMania Footage

Ramp (Blocks 3 & 4) When a block moves to this ramp (if free of collisions above, the top left of this block), this blocks moves diagonally up.

Crystal Block (Block 12): If a color block is cleared which is adjacent to this block, this block is cleared. Necessary to complete.

Magnet (Wall 2): Blocks can't be moved while on the top of this wall.

Controls

Left Mouse: Insert Tile
Right Mouse: Delete Tile
Mousewheel Up/Down: Switch between Tiles
Middle Mouse: Switch Tile Type

if action_if_collision(x,y+1,0)=false
inair=true
else inair=false
//Move options, when selected
if selected=true
{
if mouse_x<x-1
{selected=false
global.movedir=-1
global.movetarget=id
action_timeline_set(timeline_moveoff,0,0,0)
}
if mouse_x>x+33
{selected=false
global.movedir=1
global.movetarget=id
action_timeline_set(timeline_moveoff,0,0,0)
}
}
//Move phase
if id=global.movetarget
{
if action_if_collision(x+2*global.movedir,y,0)=false
x+=global.movedir*8
}
//Process to drop blocks in air
if inair=true && global.drophold=false
{y+=8
global.movelock+=1
}

That's a very long and complex script!