CSF For Dummies: It's CTF, but the flags move farther back into more easily defended areas. Like normal CTF, you always go to the glowing intel and cap wherever your intel is. Turtling C is not advised, because it means giving up A and B, effectively giving...
Well, let's hope that Valve isn't lazy and that's not the case.
I enjoyed this map, although we didn't really have enough people on the server to really give it a proper server test. I feel it's about the right size for this game mode and a lot of the geometry is pretty fun to play around.
Some of the play areas I found kinda cluttered. I think it would probably be better if you removed these pillars in this spot: http://cloud.steampowered.com/ugc/93...6EB7360488D27/
Whenever I got into a fight with someone down there, we'd be bumping into them a lot instead of actively using them as cover. The distance is just too small.
I haven't checked what sign you left an annotation on, but they are all purposefully solid to stop jumpers from taking control too easily (ie, the large sign at C). No promises, but if we make A2 I promise to think about changing that/removing them. As for similar areas, well, wow. Prestige did it.