8 of us were invited into a small room, probably due to them moving and larger conference rooms being occupied.
The assessment consisted of mental aptitude tests: two seqence tests, one abstract thinking test, one high school problems test and one mental math competition, where a candidate that first manages to get the result and attract the attention of the examiner gets a point.
Then we were asked trade movie IMDb ratings amongst each other, while being supervised by a trader, who was a bit aggressive and rude.
In the end no one passed so no one got to the interview stage.