>G</span></code> in the level
name). Negative numbers are underground (e.g., the levels of a mine), and
positive numbers are above the ground (e.g., the floors of a castle or a
tower). As this game takes place entirely in an underground dungeon, all
numbers are negative.</p>
<p>The benefit of this naming scheme is that the program can automatically
organise the levels for you: the level list is sorted by location name first,
then by elevation, and lastly by level name. Note that elevation is sorted in
desce