1 randomly generated grid world including outer boundaries, walls, rooms,
2 hallways, doors, stairs up, stairs down, all spaces connected (should follow
3 reliably from appropriate path generation algorithm), monsters, treasures
4 players with inventory, some sorts of stats and abilities, equipment, movement,
5 attacks, defenses, ways to gain and lose strength
6 monsters with rudimentary AI's, movement, sometimes equipment, sometimes
7 inventory/treasures to drop, various stats, attacks, defenses
9 monsters are ranked, rank matching is considered in world generation dependant
11 multiple players possible, level is genrated upon entry, persistent until last
12 place-holder is removed... place-holders include players, maybe special items?