The game that forces Battlefield to it's knees and rapes it raw with it's pew pew cannons.
I'm at Battle Rank 63 currently myself. Invested over 500 hours so far, and many, many....MANY, frustratingly stressful nights of k/d ratios dipping below 0.5. But being able to go from Jetpacking, C4 wielding Infantry, to Heavy Tanks, to Fast Attack Aircraft whenever you want is kinda worth it.
Oh, and there are battles that take place with hundreds of real players at once. Did I mention there are battles that have hundreds of players at once?