It might be a better idea to give the computer control of towers as well maybe having troops capture them otherwise the battle will always be stacked in the player's favor, Also balance the troops out more spearmen should be able to carve thru everyone else same with the mages they are both way to powerful
 "Castle Guard Conquest 2"){kind=icon}
 "Spear and Katana 2"){kind=icon}
 "TDP4 Team Battle"){kind=icon}