I know its late but how about this:
http://www.abandonia.com/en/games/642/Stronghold.html
I have a copy of this game that was part of a 5-disk set called Ultimate Fanatsy that had Dark Sun: Shattered Lands, Dungeon Hack, Fantasy Empires, Stronghold (SSI), and Unlimited Adventures.
There is also this that is very similar to Populous:
http://www.abandonia.com/en/games/73...te+Domain.html