Complete this and then you decide what will be your next engine ! Since Achievements Engine was never been 100 % completed !
For sure , this
is da best !
But as you mention there is alredy Nexus event engine where is fully confirmable and functionable ! ( it also includes "various combinations like 1v1, 3v3, party vs party, clan vs clan and so on" and "Everything supposed to be manageable from special in game panel available for admin." )
There is no reason to make something similar ... (nexus seems perfect to me) ! So my opinion is to focus on making something new (never created before) ....
I like the idea , but i reject event engine !
PS: by mistake i voted for NO , but i cant remove my vote for some reason's !