While discussing the ins and outs of playing a no-reload game with a group here: http://forum.baldursgate.com/discussion/40011/why-cant-i-play-properly-with-a-group#latest the question arose about whether the amount of your party members affects the success of your survival and if yes, what particular size do you find the most difficult for you to manage in order not to fail.
Let's see.
Let's see.