"Before the future could be won, history had to be written. Exposing that story exclusively on PlayStation Vita, Call of Duty: Black Ops Declassified explores original fiction in the Call of Duty Black Ops universe with an all-new campaign of Special Ops missions. Optimized for gamers on-the-go, Call of Duty Black Ops: Declassified delivers the most intense handheld Call of Duty experience to date, including both Special Ops Story mode and Multiplayer combat tailored for the PS Vita."
The gameplay is similar to its predecessor Call of Duty: Black Ops. However the usage of the knife and grenades, as well as the activation of Killstreaks will use the Vita's touchscreen.
Hostiles is a new gamemode in Call of Duty: Black Ops: Declassified, and is similar to Call of Duty: Modern Warfare 3'sSurvival Mode. Players must survive infinite waves of enemies in over 5 maps. Players are given care packages between waves, containing killstreaks, ammo or weapons.
Multiplayer in Call of Duty: Black Ops: Declassified supports eight players via WiFi across six maps. Modes available are Free for all, Team Deathmatch,Kill Confirmed, Drop Zone, and Team Tactical. Create-a-Class is present, letting the player chose a primary weapon with two attachments, a secondary weapon with one attachment, three perks (one of each tier), a lethal grenade, a tactical grenade, and three killstreaks. Weapon leveling is also present, similar to how it is in Modern Warfare 3 and Black Ops II, with 20 levels for each primary weapon and 10 for each secondary weapon. Full leveling with prestiging is there, but there are no known rewards for prestiging. There are 12 perks (4 for each tier) and seven killstreaks