I liked it but even easy doesn't seem to allow me to win on the first battle. My troops suck even if I build the blacksmith. the magic doesn't seem to harm them at all.
If you try to choose another vehicle and one is not availble for you to choose and go back to playing (this was at level 9) it will start you at level 00.
There should be upgrades to give a more in depth feel. Also a change of background, and shorten some of the levels so some of us can get a break from the point and click.