2-4 easily the best along with 1-4. AA2 still the worst game overall, but what i think gets overlooked a lot is that it's the single case that best utilizes the 2-day format. i feel that that format was made for that case, and that the entire game was in fact a vessel for the case.
AA3 is the best all-around game due to the thorough solidness of its cases, but it's easily got the weakest finale (in fact, the finale may be the weakest case in that game)
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I'm always serious. Otherwise, no one will take me seriously.