do not worry too much about the "card based" test. it is very simple and involves calculating simple (card based) probabilities, so it is a (very crude and inconsistent) way of judging your mental arithmetic/numerical reasoning. it does provides some limited indication of other aspects of your...
in what way are you interested in liquid capital?
i agree with the comment on staff and bonuses; if you are looking for employment there, you will be get screwed!
if you are interested in arcade facilities there, i cannot comment as i am not aware they offer any suchlike.