To enable cheat mode, type  corwin of amber
 
The codes:
 
orc<level>      -  Warp to level (fill in a number)
pot of gold     -  Add 10,000 gold and 5,000 lumber
eye of newt     -  Updates magic users with all spells, unlimited use
iron forge      -  Update all technology instantly
sally shears    -  Reveals entire map
hurry up guys   -  speed building of stuctures and men
there can be only one - kills enemy in one shot, near invincibility
yours truly     -  finish level
crushing defeat -  lose battle
ides of march   -  finish entire game
corwin of amber -  type it again for a neat surprise.