Can anyone help me with multiplayer achivements?

Hi all, First up I want to say sorry for just how long it has taken to move DiRT 3 to Steamworks and I would also like to thank you all for keeping up the pressure on us to move it over. Every day I have over a hundred notifications on my Steam account,

Need 2 more players to complete Road Trip and Join the Party achievements

I think that i want to play dirt 3,but i don't know how many levels we got here.If it's only a ten or something,i don't even wanna to instal this

UPDATE 09/05/15: Hi all, Just wanted to give you an update on where we are with the key redemption, we now believe we’ve got most of the keys up and running and you should be able to redeem them via your Steam Client. To redeem your key simply f...