Drug Wars - Underworld - description from Softdepia.com:
The most complete re-imagination of the classic game of buying and selling. Take on the role of a street dealer and battle for profits in this fast paced, highly addictive game.
Drug Wars - Underworld takes this classic game to new levels with advanced features, strategy, and in-depth game stats. Features include multiple game legths from 15 to 365 days, informants, thugs, and more.
Drug Wars - Underworld is a "Free to try" program. You can download and try it for an evaluation period.