The player gains access to upper levels by smashing the ceiling. Since the blocks are staggered relative to each other, there are usually multiple places to smash the ceiling, any one of which will result in a ledge. The player then hoists himself/herself up, or brings in a ladder to climb up to the next level.

Here you see the pyramid from a vantage point looking through a panel that was just broken. The viewer is standing on a pane of glass, looking back over the previous path.

To illustrate the path, it has been painted with a different glass color, perhaps shattered glass.