The Ultimate Power Trip

SimCity 3000 Unlimited and SimCity 3000 World Edition (as it is called in Europe) let you create and control your urban empire with more power than ever before. You get all the great features of the original SimCity 3000™ plus much more.

New features include:

• New Landscape, Tree, and Building options enable you to customize your city more than ever before. Choose between snow filled terrain, desert vistas, lush jungles or towering redwoods to surround one of three different building sets.
• 100's of new buildings can be found among the new Asian & European building sets. You can choose to build your city in either set, or change your mind on the fly as mayors are prone to do.
• 13 new scenarios to choose from. There are challenging scenarios for the experts as well as tutorial scenarios for those just getting started. Whether you're looking for a quick fix or a more lengthy conundrum, these scenarios will help you perfect your SimCity skills.
• 4 New Disasters offer new challenges and new tools for the more maniacal mayors. Watch as your Sims panic in terror as you unleash a plague of locusts, burning debris from space, heinous toxic clouds, or a giant whirlpool in their seaport! -evil laugh goes here-
• Building Architect Plus enables you to create fabulous buildings for all your favorite cities. Create your own props and details or choose from the many that are included as you build your own set of buildings. Once done you can choose to replace many of the buildings in the cities of your own creation.
• Create your own challenging scenarios or use one of the pre-made templates to script your own city tours with the Scenario Creator. More advanced mayors will enjoy creating fiendish scenarios of their own with the city of their choice as the back drop.
• Real-Time Building Replacement: Replace buildings in your city without ever leaving the game. Also query and replace individual buildings or choose to modify an entire set.

Source: official website