Black Ops Killstreaks / Kill Streak Rewards
Here are all killstreaks in the game. You unlock killstreaks by buying them for ingame credits which are earned by playing multiplayer. It also says how many killstreaks you must have at various killstreaks:
Kills – Killstreak – Price as killstreak costs to unlock (the ones without the price is unlocked from the start)
Spy Plane – $ 0 - Shows enemies on the mini-map. (The same as UAV)
RC XD – $ 1.200 - Remote controlled car strapped with explosives. (It is said that it is difficult to manage, and it is super easy to get several kills with it thankfully)
Counter Spy Plane – $ 1.600 - Temporarily disables enemy mini-map. (The same as Counter UAV)
Sam Turret – $ 1.600 - Airdrop a placeable SAM turret that destroys aircraft.
Care Package – $ 0 - Airdrop a random killstreak, Special Weapon, or ammo crate. (Just like in MW2)
Napalm Strike – $ 2.400 - Airstrike that covers an area in fire. (A kind of airstrike, which provides direction)
Sentry Gun – $ 3.200 - Airdrop a placeable Sentry Gun. (Updated version of the Sentry Gun from MW2)
Mortar Team – $ 3.200 – Targets three locations to bombard with Mortar Strikes. (Heavier airstrike, in an area you choose)
Attack Helicopter – $ 0 – Call in a support helicopter.
Valkyrie Rockets – $ 4.000 – Launcher with two remote controlled rockets.
Blackbird – $ 4-500 – Call in an SR-71 Blackbird revealing enemies and their direction on the mini-map.
Rolling Thunder – $ 4.500 – Call in a B-52 Carpet Bombing.
Chopper Gunner – $ 5.000 – Control of a minigun from inside a helicopter.
Attack Dogs – $ 6.000 – Call in a pack of vicious dogs.
Gunship – $ 6.000 -
Pilot an attack helicopter. The pilot has rockets and a machine gun. The same HUD as the helicopter in the mission “Payback” is used for this killstreak. (One nasty ass motherfucker!)