I presume the -1 time limit is supposed to be a infinity? I suggest making an entry of -1 have an infinity symbol appear (easier to understand). Oh, and when using the 204 patch (don't know about 191, haven't tested) you can finish a -1 game after 14 days. I don't know if the button works for -1 games, I haven't tried, but the button does appear.

-1 shows up just for TM created games for the tournaments and Clan War games. Not sure why or what its supposed to mean...