Master of Olympus: Zeus. Its part of the City Building series (as is Caesar) and developed by the same guys. Its better than the first four or so Causer games as well. Also try out Roller Coaster Tycoon 1 & 2. The third game is good but the gameplay isn't upto the standard of the first two. They are old games though but hunt around and you should find them at sensible prices. Gamesplanet for example is currently selling Zeus for £4.88.
Manchester United 2008-09 Season - Trophies & Records