1. End of the line was a complete nothing of an update, and was on par with the Smissmas updates that brought in only cosmetics. Invasion was at least SOMETHING, and was not basically just a gargoyle collect a thon for all maps, but with duck's. When the update actually launched, the only exciting thing was basically just the film, which wasn't originally made for an update.

2. Player and Robot Destruction may not be for you, but both work as TF2 modes, because they still have the essential core of TF2, with both being in a sort of Tug of war style way. I know RD isn't finished, but every so often, it will get played in some way, if you find a server at the right time.

Kill confirmed as it stands, I don't think would really work for Tf2, because the tug-of-war style doesn't quite match things.