Event question

Dirigenat

Oke listen up fellas,i started today first ZM2 mode eh what a shame,i made my self hard event wth.My question is,since i dont have much time to spend,do i need to play full games or i can enter on half?And doesnt metter if its easy,normal or hard ?Thx

NOT]dot

Every difficulty should count, regardless if you joined from the beggining or in the last wave.