It was a total mess. The process lasted nearly three hours, although I was not informed beforehand to save this length of time. I was under the impression I would be meeting briefly with one person. Instead I met with four.
The person who had initially e-mailed me to interview had presented himself so unprofessionally that I wasn't sure if he was really serious. I almost didn't take the interview, it was that bad.
Two of the people who interviewed me obviously were miserable working there. One of them flat out was rude to me. When I asked him what a typical day of work was like there he went on a sarcastic rant about everything in his personal life (what time he wakes up in the morning, what he eats, what he wears, etc) and never spoke about work. I asked him politely again and he said "I already told you!"
Judging by the interview process and the very unprofessional employees I met at the welcome night for new recruits, I won't be considering them for any serious employment.