I've been playing TF2 for a couple of months now. The game has a lot which other online games don't, including the weapon unlocks, hats and achievements(which, on a PC, are rare). I personally like achievements and like obtaining them, but some of them are plainly ridiculous and stray way way from the classes' basic role. The situation has improved a lot lately, but the first class packs were notorious for these kind of achievements. Let's deal with them in order:
Medic pack:...