While playing a game, press V, move diagonally into an opponent's city, and press [Enter]. Then, the city's productivity may be altered or units disbanded.
While playing a game, enter any of the following codes to activate each cheat:
| Effect | Code |
| Update throne room | Q |
| New council attitude and time | [Ctrl] + [Shift] + T |
| Edit unit, except for type | [Ctrl] + [Shift] + U |
In the Civilization II folder, open file "RULES.TXT", you will be able to modify the rules of the game.
While in cheat mode hold CTRL and press v to edit throne room!
You can build roads and railroads on the ocean. Get a settler or and engineer into a vessel, go to the position in which you would like to build the road or railroad. Press R. You will gain the benefits of having roads and railroads on the ocean of extra trade.
Codes Below are for PlayStation Version of Civilization II
Enter "_CasH" as a town name while holding R1 when entering the capital H.
When you chose you tribe go to romans and press Circle, Triangle, R1, R2, L1, L2, L2, L1, R1, R1, R1
| Effect | Code |
| Infinite Money Celts, Romans, Russians | 80117C0C FFFF |
| Infinite Money Babylonians, Japanese, Zulus | 80118184 FFFF |
| Infinite Money French, Germans, Vikings | 801186FC FFFF |
| Infinite Money Aztecs, Egyptians, Spanish | 80118C74 FFFF |
| Infinite Money Americans, Chinese, Persians | 801191EC FFFF |
| Infinite Money Carthaginians, Greeks, English | 80119764 FFFF |
| Infinite Money Indians, Mongols, Sioux | 80119CDC FFFF |
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