fire ▁or ▁he ▁can ▁have ▁his ▁art illery ▁lim ber ▁and ▁retre at , ▁in ▁which ▁case ▁some ▁of ▁its ▁am mun ition ▁will ▁be ▁lost . ▁ ▁Sh ar ps ho oter ▁units ▁( re ferred ▁to ▁in ▁the ▁game ▁as ▁" special ists ") ▁have ▁a ▁r anged ▁attack ▁similar ▁to ▁art illery , ▁but ▁must ▁move ▁right ▁next ▁to ▁an ▁enemy ▁unit ▁to ▁attack . ▁If ▁attack ing ▁a ▁stack ed ▁art illery ▁and ▁combat ▁unit , ▁the ▁player ▁must ▁select ▁which ▁one ▁to ▁attack ▁and ▁cannot ▁target ▁both ▁units . ▁ ▁The ▁game ▁includes ▁several ▁terrain ▁types ▁which ▁have ▁varying ▁movement , ▁health , ▁and ▁organization ▁costs ▁for ▁a ▁unit ▁as ▁well ▁as ▁different ▁amounts ▁of ▁cover ▁or ▁lack ▁there of . ▁C ertain ▁terrain ▁types ▁may ▁increase ▁or ▁decrease ▁a ▁unit ' s ▁mor ale , ▁and ▁units ▁cannot ▁switch ▁from ▁march ing ▁to ▁combat ▁formation ▁on ▁some ▁terrain . ▁Units ▁may ▁also ▁dig ▁in , ▁which ▁increases ▁their ▁cover . ▁T iles ▁may ▁contain ▁various ▁structures ▁r anging ▁from ▁farm h ouses ▁to ▁churches ; ▁these ▁can ▁also ▁affect ▁the ▁cover ▁or ▁mor ale ▁bonus / minus ▁of ▁the ▁tile . ▁R ivers ▁are ▁completely ▁imp ass able ▁unless ▁a ▁bridge ▁or ▁ford ▁is ▁present ▁( the ▁latter ▁are ▁invisible ▁and ▁require ▁the ▁player ▁to ▁search ▁around ▁the ▁map ▁for ▁them ). ▁ ▁A ▁number ▁of ▁different ▁weapons ▁are ▁available ▁to ▁units ; ▁the ▁game ▁includes ▁most ▁of ▁the ▁more ▁commonly ▁used ▁inf antry , ▁art illery