Load/save support is back in, and along with it, the ability to ascend and descend stairs to different Levels of a Zone! When you ascend/descend to a different level, the current level is persisted so that if you return, it’s in the exact same state as when you left it. The combination of Load/Save, Tombstone/De-tombstone, multiple Zones, and multiple Layers all worked together to make this harder than I’d expected. Frankly, I’m quite sick of it so I’m not going to talk a lot about it ;-).
Here’s a screenshot showing up and down staircases:
Here’s the player entering the down staircase:
And here’s what it looks like when you ascend back up to level 1:
Notice the monsters are still there!
Support for exiting a Dungeon (ascending past level 1) isn’t supported yet, so that stairwell is disabled.
Updated source: http://wanderlinggames.com/files/dungeon/dungeon-3-25-11.zip
Updated executable: http://wanderlinggames.com/files/dungeon/dungeonexe-3-25-11.zip