CornPlanter... Escape From Zombie Island 2 has been undergoing a complete overhaul for the past seven months. The Game Version, not the Game Engine. Units, Graphics, Map Graphics, Sounds, Interface, Game Settings, etc... have all been either remade, adjusted or given additions. Each Faction has been individually developed for their particular game play and type of Win. If you read previous pages of this thread, it may help to clarify more of what is going on.
Concerning Unit settings...there are many factors that affect units in the game. When you say "Real" statistics for a Unit, I assume you mean that one would assume that a Tank would always kill a Spearman and not the reverse if both units are "healthy". Because the game engine has built in Random Play Factors and many other variables also affect units such as the level one is playing and the players over all position in the game concerning power, situations can happen where a Spearman can kill a Tank. If we want to avoid that type thing, the unit that is desired to always be the victor in a battle against another particular unit must be given Stats that are strong enough to avoid random game factors...it is Hit points more than the Direct unit attack and defense settings that help units win a battle that should. Of course Attack and Defense settings matter greatly but we cannot simply look at those settings and know a unit will always win a battle against a lesser unit without looking at Hit points and taking the random play factors into consideration.
The Game Engine "recognizes" over all and situational power positions. Example: If we attack a building with one unit, that unit will die more often than if we Surround the building with stacks of units first, then attack. In other words, if we sent one unit at a time to attack a building, we could lose 100 units but if we took the same 100 units and placed them around the building before attacking with them all, we would only lose a few. This same power position is also "recognized" by the players over all status such as number of buildings, improvements, supplies or cash, technology, number of units. etc... More than I can say here, it is the influence of over all position and power, coupled with the particular unit stats that is in a battle against another unit that affects which unit will win the battle. That said, what we want are units that we can assume would win a battle against a lesser unit without having to look at their Stats. Within the boundaries of what is possible with the game engine and the plethora of other influencing factors, we are striving to set units in the game where they do what one would expect. This has not been an easy task because of the game play that is desired for each Faction. I believe the units in the game are set as close to "real" or what one expects as possible without ruining the game play. There will always be factors that influence and affect unit battles but we hope over all game play is both challenging and Fun when playing any of the Five Factions in the Game.