These are my favorite games :

Championship Manager 2

Here is a link to a great site where u can find updates, editors, cheat and a lot more about this fantastic game.

Hereby I present u MIND COMPRESSION :

Mind Compression, the kingdom of CM2

The other great games are :

The famous NHL series. A link to a site where Updates for NHL 98 can be found

The famous NBA series. A link to a site where Updates for NBA 98 can be found

And last but not least : The ultimate strategy king.

Civilization