The speed of the game is adjusted by 'PageUP' and 'PageDown' by 1x per one key press. It is a little radiculus I would say. At speed of 50x by one press the game is speed up to 51x (it is 2% faster then only) Speed could be changed by 100% above speed=10x (So 10 times keypress gives speed 10x but next one =20x, and next one =40x, and next one =80x and so on) or )Speed could be changed by 10x above speed=10x (So 10 times keypress gives speed 10x but next one =20x, and next one =30x, and next one =40x and so on).After we hit speed 100x, then each kay press add +50x of speed.(so 100x, then 150x, then 200x, then 250x) or permanent change of speed always by extra 100%(so 1x, 2x, 4x, 8x, 16x, 32x, 64x, 128x, ....)
Posibility to set up buildings, roads and flags at pause would be good as well.
A also lack of 'Load game' button in menu in game. There is save and exit but no load. To do load I need first exit game then click single-> campaign-> and so on. Possible to add such a 'Load game' button?