User blog comment:LilyheartsLightning/Citadel and Reckoning DLC announced/@comment-3046679-20130221180207/@comment-24174486-20130221180748

Along with a conspiracy and adventure!

I'm quite eager to see what the Armax Combat Arena has in store. I've been thinking about how awesome it would be for ME3 single-player to have a Horde Mode. If Dead to Rights: Retribution can introduce an awesome Horde Mode in DLC, ME3 can do so as well.