Here are several cheat codes that can be used: * ANCIENT - Dawn of Civilization map * BEYOND - Post-Global Warming map * DAVINCI - Renaissance Map * FEUDAL - Asia Age map * HEREANDNOW - Renaissance map * MODERN - Global Warming map * MONEYBAGS - Maximum money * NEWWORLD - American Propsperity map * REBIRTH - Renaissance II map * SAMURAI - Asia Age II map * SCIFI - "Global warming age" map * COLONIAL - "American Prosperity Age" map Industrial Age Maps * INDUSTRIAL - Bonus Map * STEAMPOWER - Excellent Map source: