Taking the 10 point system of Black Ops II one step further, Treyarch has come up with the Specialist System. This system would allow players to specialize their play styles even more.
The details of four such classes were summarized by GameSpot as following:
Ruin: A fearless infantry soldier with a "gravity spikes" weapon that creates an area of effect attack, and the "Overdrive" ability, which gives him a burst of speed.
Seraph: A member of a crime syndicate with the "Annihilator" weapon, a high-caliber revolver, and the Combat Focus ability, which triggers a bonus multiplier towards Scorestreaks.
Outrider: She has a compound bow called "Sparrow" and a "Vision Pulse" ability that pings the surrounding area and tags the location of all enemies.
Reaper: An experimental War Robot with a "Scythe," an arm that transforms into a mini-gun, and the "Glitch" ability, which allows it to flashback to a previous position.
Other than the difference classes, another big change is the maneuverability options in the game. Similar to Titanfall players can now wall-run, and even the thrust jump and power slide have gotten an upgrade. But hands down the biggest addition to movement in CoD probably the ability to swim.
As always CoD won’t be much without guns. That’s why they are now implementing the “Gunsmith” feature. This allows up to 5 attachments to be added to the guns and custom paint job to be applied.