I've been following your game for years and I've been really looking forward to it. It's such a shame you chose to go the AI route. I won't follow it any longer.
On another note, I managed to crash it. I placed a bomb in the place of an explodable box and when the box reappeared the game froze. Couldn't reproduce it, though.
So which one is preferable to play? I assume that the "old engine" versions are for mod support, and that I should play the 2.0.6B release, even though it's older than the "old engine" ones?