I'm still trying to this new version I saw upgrade section
for example day 3 and I researched level 2 ınfantry my infantries level are maximum according to day
but when I click to upgrade ıt says give resource and get high level units how ?
how does upgrade work ?
for example day 3 and I researched level 2 ınfantry my infantries level are maximum according to day
but when I click to upgrade ıt says give resource and get high level units how ?
how does upgrade work ?