If you're not an achievement and/or trophy hunter, then you can probably stop reading now.. Otherwise, I'm going to share with you a few websites to help you on your quest to attain the seemingly unattainable (unless of course, it is!).
I should point out right now, that I do not condone the process of gamesaving (physically sharing, modifying, and/or using game save files from other gamers). Nor do I condone other similar forms of cheating, such as entering known hacked multiplayer lobbies via modified games consoles. If you're looking for help with that, look elsewhere..
The websites that I'm going to share will primarily focus on a method of attaining multiplayer unlocks that is known as "boosting". That is organising a multiplayer game with at least one other person. with the sole purpose of working toward a specific trophy or achievement. Generally speaking, players take it in turns to win a set number of games, kill the other player(s) in a specified manner, or work...
I've almost finished installing the add-ons for the upgrade on my localhost, which means I'll be working on trying to fix up the things that aren't working on XF 2.1 out of the box. If I'm able to fix them all, the upgrade may come sooner than XF 2.1 being declared stable!
I purposely haven't made us appear any different to non-staff, but we are listed as such on the Notable members. If trophies are implemented I may also do a staff trophy, but we'll see how the vote goes.