For anyone who grew up watching Spy films; images of the Super-Villain holed up in a high-tech and secluded base come to mind. The lair is usually the place where their diabolical plan is hatched and carried out; forcing the hero to brave all odds as they infiltrate the base and confront the villain. In their review; Skewed and Reviewed said the game can be fun for those who have patience.
Source: N4G PC Evil Genius 2: World Domination Lets Players Be As Evil As They Want To Be – Skewed 'n Reviewed