What's your favourite pub crawl drinking game?

I was searching for something to do on my upcoming birthday, and I stumbled across a viral Reddit comment describing the "One Giant Chicken" drinking game, which is a 'manhunt' style game that involves one person dressing up as a massive chicken and everybody else going from pub to pub (having a drink in each) trying to find them.

I thought that sounded like great fun, and I wondered what other pub crawl drinking games there are? Pub golf is of course very popular, but are there are any other lesser known ones you've tried which are fun?

/r/AskReddit Thread