Colonial Total War? sounds good, until someone develops Gatling Guns...

Chinese Warring States is a fascinating period with lots of wacky units like scythed chariots and guys with enormous spiky dagger-axes, plus many interesting and often highly genocidal experiments with gunpowder rather later on (9th century?)

i have a number of DBM wargames army lists describing Chinese armies of the period if anyone ambitious fancied 'modding' it...