Jin Ling has explained, hasn't he-- ah, though he just knows the first one, he wasn't awake for the second...

[He exhales a slow, measured sigh.]

The second game, we were pulled into almost immediately after the first, along with others from similar places. In that one, there were no monsters. We were split into three groups and told only one was to be left standing. Things proceeded roughly as one might expect-- deaths each week.