Thinking of starting a run after Baradul, but the hit calulation..

So I just saw a run of Baradul and I am starting to think that I rather want to play Roguetech than BTA. However, when I see him use missiles and other multiper hit weapons it seems like it just do 1 calculate hit of miss, rather than do the calculation for each missiles/shot. Is there a way to remove that a go back to standard?