The next map I did in 2010 was for the game RUS.
Huge map ! 16000 x 10000 px !

Same process to create it. Photoshop and few 3D elements from Maya.

Fourth map: Revolution Under Siege (2010)-rus_map.jpg

Screenshots from the game here:
AGEod - Revolution Under Siege - Screenshots

I also made all the graphics of the game; buttons, UI, soldiers, icons, menus...