>super hostile-type map
>3x3x? room made of furnaces
>player only has sand
>one block on the ground that isn't a furnace
>player has to build a pillar of sand on top of it
>gets to top, breaks block to get out
>block lands on pressure plate
>pistons compress room to be 1x1x?
>piston pulls block out from under sand pillar
>player falls
>I am now vechs