It is always a pleasure to see time travel done right.
I love how unpredictable the endings are, you never know when a good ending will tear your heart to pieces and when it will be heartwarming and positive.
Also, if we choose the ending with the general or with the physician, does it mean that we create a paradox and none of this would have happened and the emperor is alive? I shouldn't have asked that, not my head hurts.
On the down side, the buildings, even though they were drawn differently, are particularly hard to recognize and remember which one represents what.