So there's an achiev, which named green thumb, but what exact jousting mod do i need to play, to get this achievement?

You have to play the original jousting, the current mod that everyone uses is joustingfixed. You need to play 1000 but I don't think they work

original joust called "jousting" ?

Yes, but you cant get that achievement anymore

because like what dipperschmit, the common one is joustingfixed.tbm

and if u put a private server(with jousting.tbm) the 1000 games won't go lower because its a private server, to make it lower u need public servers, and non of them have that mod so I guess the people that got this achievement were lucky because u cant get it now

well, closing