This year several shooters will be released. Although casual gaming and free-to-play games becomes more popular there are still some nice alternatives for tactical gaming.
ArmA 3 Fall 2013
One of the last real tactical shooter games. It will play in the near future. 2034 several catastrophes on turkey invited the Iran to occupy Greece. The game will played either on NATO side or Iran. You can play on huge and small maps as in ArmA 2.
Battlefield 4 Fall 2013
BF4 will play in the near future.
Call of Duty - Modern Warefare 4?
Information are still missing