A note is that if you are holding dual weapons and pick up the bag, you will be forced to wield one weapon until you score or die, getting rid of the bag. This makes sense, because otherwise you would have 3 hands. This happening is unexplained for Kypriss.
In the original TimeSplitters anywhere between two and four teams could take part in a Capture the Bag match, but this has been reduced to just two in subsequent games, perhaps because a four-way Capture the Bag game proved a little too frantic. Another alteration is that in TimeSplitters 2 and TimeSplitters Future Perfect it is impossible to score if your own bag has been stolen; it must be recovered first. In the original TimeSplitters the presence of your own bag had no impact on your ability to score points.
TimeSplitters 2 Glitch Edit
A rather annoying glitch in the second game can occur during Capture the Bag matches. If a bot on the enemy team succeeds in taking your bag to their base, only to find their own bag has been stolen, it will stand on the spot, unable to score. (The same occurs in Future Perfect.) However, when you go to retrieve your bag, the moment you damage the bag man he will score, even though his bag is not there and scoring should be theoretically impossible. It is unknown if this glitch appears outside the PlayStation 2 or GameCube version of the game, but it has been fixed in Future Perfect.