I gotta say, I'm becoming a fan of Fireteam Elite. Its far from perfect, but it executes pretty well on a lot of neat ideas. While horde shooters and PvP deathmatches are fundamentally different games, I still think there are some good ideas that CM should take inspiration from.
What ideas from Fireteam would you like to see implemented in CM?
Some of my favorites so far:
Spoiler: