I am encountering performance issues while playing CivCity Rome
To improve the games performance on your system browse to Start/Programs/Firefly studios/CivCity Rome and select CivCity Rome graphics configuration. Choose the following options:
Basic tab - select Lowest for the Graphics level
General tab - lower the screen resolution to 1024 x 768 x 24 60Hz
Textures tab - Lower tecture detail to minimum (completely to the left)
Once done select Play and try the game again.