I put together a list of all the failchievements you probably run into when you play pugs. Feel free to add your own to the list.

http://left4dead.gameriot.com/blogs/I-thought-it-was-the-brakes/Failures-err-I-mean-Achievements/

generator: http://l4d-fr.com/achievements.php?eng

http://l4d-fr.com/ach.php?a=GUYS,%20IT%27S%20A%20RACE!&b=Get%20pounced,%20pulled,%20or%20otherwise%20inca pped%20at%20least%2025%%20of%20the%20map%20away%20 from%20the%20rest%20of%20your%20team.&c=4&d=10&e=47&f=2
http://l4d-fr.com/ach.php?a=FUCKING%20PUB%20GAMES&b=Screw%20it,%20I%27m%20going%20to%20play%20TF2.&c=u&e=http://www.steampowered.com/tf2/pyro/images/AchievementIcons/second_degree_burn.png&f=1

issues I deal with daily.

I loved the \"I GOT THIS BRO\" one. That made me laugh.

This is from a personal experience:

http://l4d-fr.com/ach.php?a=UNTOUCHABLES&b=You\'ll only get it if you get a no steam logon and rejoin while getting in the rescue vehicle&c=u&e=18&f=2 (http://l4d-fr.com/achievements.php)

http://l4d-fr.com/ach.php?a=5000&b=The number of vs pubs you quit per night because you get stuck with downies on your team.&c=l&e=11&f=2 (http://l4d-fr.com/achievements.php)

http://l4d-fr.com/ach.php?a=WITCH > INFECTED&b=Congrats, you just got taken out by the witch while you are an infected.&c=l&e=0&f=2 (http://l4d-fr.com/achievements.php)

@Damian:
Kind of missed the point of these being achievements, didn\'t you?


Had a huge facebook thread of these, here\'s some of em

http://l4d-fr.com/ach.php?a=THIS%20IS%20A%20GOOD%20IDEA,%20RIGHT?&b=Hide%20in%20the%20starting%20safe%20room%20from% 20a%20tank.&c=l&e=25&f=2

http://l4d-fr.com/ach.php?a=DING%20DING%20DING%20DING%20DING%20&b=ding%20ding%20ding%20ding%20ding%20ding%20ding%2 0ding%20ding%20ding%20ding%20ding%20ding%20ding%20 ding%20ding%20ding%20ding%20ding%20ding%20ding%20d ing%20ding%20ding%20ding%20ding&c=2692&d=10000&e=13&f=2

http://l4d-fr.com/ach.php?a=THAT%27LL%20TEACH%20%27EM&b=Teach%20them,%20real%20good.&c=l&e=25&f=2

http://l4d-fr.com/ach.php?a=STICK%20THIS&b=Into%2020%20girls.&c=3&d=20&e=9&f=2

http://l4d-fr.com/ach.php?a=A%20GOOD%20ICEBREAKER&b=Throw%20up%20on%204%20people%20in%20real%20life&c=u&e=19&f=2

rofl those are hilarious

http://l4d-fr.com/ach.php?a=ITS YOUR FAULT&b=Get pounced while far away from teammates because you failed to notice them run away as soon as your back is turned&c=u&e=7&f=2 (http://l4d-fr.com/achievements.php)

I always get yelled at for this, so now I never look back

im not making a graphic but

WORST PITCHER EVER
incap a teammate with a molotov that missed a ladder opening and bounced back down.