Your enemies’ military plans (A-Attack, D-Defend, S-Settle, N-Naval). You can enter enemy cities, sell their city walls, and then unfortify the defense. It will reveal the entire map and give you a variety of cheat options in the F1-F10 menus. If you have version 1 (that is, if your game says version 474.01 or 475.01 when you start it up), hit shift-56.
