Civilization II Cheats
for PC

Use Enemy City

Infiltrate your enemy's cities. Press "V" and move diagonally into an enemy city and press ENTER. You can now change the city's productivity and disband unit.

Cheat Mode

During the game, enter one of the following hotkeys to activate the corresponding cheat.

Effect                                     Hotkey 

Change attitude of council (and time)      [Ctrl] + [Shift] + T

Edit unit (except unit type)               [Ctrl] + [Shift] + U

Update thrown room                         Q 

Omnipotent Power

Hold shift and press 1 2 3 4 5 6 then release shift and press T. that
should give you complete vision over the entire map, and you can click in
enemy towns and look around, as well as un-fortify units, making them
easier to kill. this will screw up the map, but ignore that. this code
CAN be turned off, just do the same this you did before.

Rename Enemy City

To easily change an enemy city's name all you have to do is to send a spy
into one of their cities and choose investigate city. Then simply pick
rename. The city will be renamed and won't change unless you decide to
rename it again.