Things not yet implemented (some may never be):

- phasing, percetion, and digging not blocked by level edges
- LVF_WRAPAROUND levels always center view on player
- food and hunger
- false maps
- searching with only a chance of finding anything that's there
- clouds on the Plane of Air
- magic resistance
- wand of digging damages a few monsters
- unlimited-size levels
- tools
- bags and other containers
- potions of
	levitation
	infravision
	gain strength
	restoration
	giant strength
	heroism
	sleep
- rings of
	stealth
	slow digestion
- scrolls of
	hold others
	secret finding
	knowledge (show hit/dmg/def rolls)
- wands of
	wishing
	undead turning
	death
	fire ball
	ice ball
	lightning ball
	acid ball
	random-element ball
	lightning bolt
	ice bolt
	fire bolt
	acid bolt
	random-element bolt
	teleportation
	polymorph
	darkness
	disintegration