I don't know if it's my playing style, but it took me a while to figure out how to beat Emperor's Tomb II, and I barely made it.
III and IV were REALLY easy, though... so maybe the dificulty ramp is not quite right there...
Kailen4, I believe the phone versions are free. The problem is just we can't play the full version on PC. And since it's free, it makes even less sense
great game!
but it's very hard to get all upgrades, I would have to stop upgrading at some point and failing to destroy some cities so I could have enough money =( that's not fair =p
maybe some VEEEERY HARD cities after the end allowing us to buy all upgrades and have overpowered zombies would be perfect =P