Cash Printer
Print your own money now! Do you need money for playing "Monopoly" or should your kids learn to count and calculate money? Use "Cash Printer" together with your color printer to produce phantasy banknotes, optional front or back.
http://www.abc-ware.com/dl/cashprinter.zip - 4Mb - Download - Screenshot

The Mastermind
The Mastermind is redefinition of a menu-based strategy game. Take on the role of a mastermind to become the brain behind the crimes. Experience the innovative and original gameplay in this planning and resource-management strategy game. The game is all about making money. ... - Shutdown other businesses to create a monopoly market to increase your own business income. ... You shutdown other business with your gangsters so your own businesses can play monopoly in the market. ... - Train your gangsters, equip them with various guns, and start gang wars!
http://www.totalgameplay.com/download/MMindDEMO.exe - 16Mb - Download - Screenshot

Gazillionaire
Gazillionaire is the award winning game of business strategy. It was selected as a FINALIST in the Ziff-Davis Shareware of the Year Awards and was ranked in the Top 5 of all strategy games. Gazillionaire is a cross between Monopoly set in outer space and Wall Street in wonderland. ... The first company to reach a net worth of a billion kubars wins. ... Become a mogul or tycoon in this economic simulation game and build a financial empire! ... Six people can play at a time on the same computer or by email over the Internet.
http://www.lavamind.com/files/gaz.exe - 5Mb - Download - Screenshot

Star Monopoly
Play this free game to unleash your marketing abilities. Here you find a possibility to reveal all your logic and capacity for analytical estimation. You may take it as a possibility to train yourself before entering the world of commerce - create and expand finance corporations, sell and buy... Play either against your computer or with your friends - any game mode will give you real pleasure and fun! ... This game runs on any 32-bit Windows operating system (Win95/98, NT, ME, 2000, XP) and requires Flash 5 player installed to your computer.
http://absolutist.com/freegames/starmonopoly.exe - 603Kb - Download - Screenshot

Four Empires: Bush against terrorists
The unique strategic board game "Four Empires: Bush against terrorists" looks similar to Monopoly, but the rules and scenarios are quite different: you will be able conquer cities of rivals, conduct active battles against them, conduct nuclear tests and embark on a nuclear race. ... You can buy units for protection of cities, buy units to active army, attack the cities of rivals, conduct nuclear tests and embark on a nuclear race in the proper sectors on the playing board. ... A purpose of game is a conquest of 10 cities in the individual game and 12 cities in the team game.
http://www.sinedsoft.com/download/games/4empires.exe - 2Mb - Download - Screenshot