The Titans are not only a more meaningful answer to COD's killstreak reward system, they also add a whole new layer to the competitive nature of battles. (gameondaily.com)
When used correctly the player can trigger a change in the environment as an advantage in terms of killstreaks and so on. (thatvideogameblog.com)
You might think of it as the Call of Duty killstreak system, but instead of only rewarding players who play well, it rewards everyone — but players who shoot well are rewarded much more frequently. (giantbomb.com)