If you’re not playing Blitz Brigade (Free) yet, you should really think about reconsidering that. It’s a free to play shooter by Gameloft, that feels like a good blend between Battlefield Heroes and a smidge’ of Team Fortress 2. The latest update adds capture the flag mode, and of course, Gameloft released a trailer showing this fact off:
We gave the game 3.5 stars when we reviewed it, and really, it has only gotten better since then. Gameloft consistently has some of the best multiplayer in first person shooters these days, so you really should check it out.