Hier mal eine erste Info zu Perks und Killstreaks von Black Ops, leider auf Englisch aber trotzdem verständlich:

Perk 1
Lightweight - Move Faster (Pro)
Scavenger - Pick up ammo from fallen enemies. Replenish lethal grenades. (Pro)
Ghost - Undetectable by the Spy Plane and the Blackbird.
Flak Jacket - Reduces explosive damage.
Hardline - Killstreaks require 1 less kill.

Perk 2
Hardened - Bullets penetrate better.
Scout - Hold breath longer.
Steady Aim - Increased hip-fire accuracy.
Sleight of Hand - Faster reloads.
Warlord - Equip two attachments to your primary weapon.

Perk 3
Marathon - Longer sprint.
Ninja - Silent movement.
Second Chance - Pull out your pistol before dying.
Hacker - Ability to detect enemy equipment and explosives.
Tactical Mask - Reduces the effect of flash and concussion grenades.

Killstreaks

• 3 – Spy Plane
• 3 – RC-XD (remote bomb)
• 4 – Counter Spy Plane
• 4 – SAM Turret
• 5 – Care Package
• 5 – Napalm Strike
• 6 – Sentry Gun
• 6 – Mortar Team
• 7 – Attack Helicopter
• 7 – Valkyrie Rockets
• 8 – Blackbird
• 8 – Rolling Thunder
• 9 - Chopper Gunner
• 11 – Attack Dogs
• 11 - Gunship

Hier ein Video zu den Killstreaks:

Wer Rechtschreibfehler findet darf sie behalten!!! 

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