The Role Playing Game is finally back in Battling Dragons. It pretty much works like the normal game (save the exceptions mentioned on the RPG page).

Here are all of the commands available in the RPG as well as shortened direct entry equivalents. Some commands will require something or someone to use the command on; typically, something will be chosen automatically for you if you specify nothing.
North (north, n)
Move north (up)
East (east, e)
Move east (right)
South (south, s)
Move south (down)
West (west, w)
Move west (left)
Status (status, stats, stat)
See statistics of your party or one member in it
Inventory (inventory, inven, inv, i)
List every item you are carrying
Look (look, find)
Get information on an item in the room
Examine (examine, exam, ex, inspect, ins)
Get information on an item in your inventory
Pick Up (pickup, pick, take, tak, get, g)
Take an item in the room and put it into your inventory
Drop (drop, d)
Discard an item in your inventory into the room
Equip (equip, eq)
Wear or wield an item in your inventory
Unequip (unequip, uneq, un)
Remove an item and no longer gain access to the techs it granted
Push/Pull/Press (push, pull, pu, press)
Push, pull, or press on an object, such as a button or lever
Open (open, op)
Open an item or object, such as a treasure chest or door
Give/Put (give, giv, put)
Give an item to someone or something in the room
Use (use, us)
Utilize the function of an item in your inventory
Talk (talk, t, say)
Converse with somebody in the current room
Buy (buy)
Purchase something from a shop
Slot (No direct equivalent)
Build a character's grid