Thanks for the comments and glad you enjoyed the game.
As far as making spoiler-y comments, there are a number of choices. First, if you happen to use Reddit, you can make a post in our subreddit:
Just label the title as containing spoilers. This might be useful if other people who have played through the game have similar questions. Aside from that, you could always just email us: email@example.com.
And incidentally, yes—even by completing this version of the game, there are plenty of questions left to be answered in other paths. We figure that's the best way to compel readers to follow up with different branches...uh, assuming they ever get made. :P