Interviewer arrived and did not know which position the interview was for in the first place. It seemed like there was a gap in communication from pre-screen to interview.
There were also some offhand, rather, rude remarks from the interviewer. I understand the interviewer was a developer, not a hiring manager, and may not have been trained to handle the interview process, but this left me with a very bad impression of Mistplay.
Other than that, process was straightforward.