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Known Missions:

"Singapore" (Strike Mission)
"Protect P.O.T.U.S (Regular Mission)

Technical Information:

Treyarch has been working on their own anti-cheat tool
Zombie mode will be built around the multiplayer engine
Co Elite will be fully integrated in the game
Combat Training will return
Will likely utilize a modified version of the Black Ops engine


Zombies:

4vs4 mode - Teams fight against each other, in addition to zombie hordes
8 player Co-op, competitive play.
Bigger maps
Built aroound the multiplayer engine
Female Character[s]


Multiplayer Information

(New) New Game modes:

Escort
Similar to Search and Destroy however a live player must be escorted to one of three areas (or two depending on the map) without being killed.
The match will have rounds, consisting of one life only.

(New) ELITE 2.0:

ELITE is being fully incorporated into Black Ops 2
Combat record has been modified and re-named as ELITE Stats
There will be a specific lobby for clan matches (new way of leveling clans)
Clan Tournaments can now be implemented

(New) Combat Training:

Will be returning with vast improvements.
Difficulty is no longer based on how long the bots take to start shooting.
Bots now have an advance AI system
Similar to the behavior seen in the MW3 Spec Ops survival

(New) Perk System 2.0

The Perk Pro system has been upgraded
There is now 2 options a perk can advance to.
Both require different challenges to unlock
Once the desired Pro version is unlocked, the player can select that as their “Perk Pro”.
Once selected, the only way to choose the other option is by entering prestige mode.
For example Perk slot 1 has the perk called Speed
Speed – Reduces the time taken to aim down the sight
Pro I – Swaps weapons faster
Pro II – Throws equipment faster

(Update) Create-A-Class:

in Black Ops 2 will be built around a 10 point allocation system.
Every player is granted 10 allocation points, and each item is worth a set, depending on their usefulness. A primary weapon would possibly be worth from 3-5 allocation points, while a perk could be worth 1-2 points. You get to pick what you want on like the secondary you can take it off and get more perks or whatever you want.

Guns:

Assault Rifles:

M16A1
XM8/M8A1
AK47
QBZ-95 (Type-95)
FN SCAR-H
AN-94
M4A1
FAL
CAR-15 Commando
Type 25
Steyr ACR
Galil
KH2002

(Update) Submachine Guns:

MP7
Vector K10
Uzi
Chicom QCB

Shotguns:

KSG
Winchester Model 1887
KSG-12

Sniper Rifles:

AS50
Storm PSR

Light Machine Guns:

Mk 48
LSAT

Machine Pistols:

KAP-40 (KARD)

Handguns:

M1911A1

Launchers:

RPG
MM-1

No problem

I approve of this message... Just wish there more info already

Very cool info thanks

Changes: Submachine Guns, Perk System 2.0, Create-A-Class, ELITE 2.0, Combat Training