Call of Duty Black Ops, just released, very  good - especially multiplayer mode - game. In link below, you can find a few hacks for this (COD BO) game, which work well. Basic functions are wallhack, aimbot, crosshair, norecoil and others.

2. Unpack, put hacks into game’s folder.
3. Start the game.
4. Start selected hack.
5. Enjoy

New version [UPDATED] Call of Duty: Black Ops -> EXP Level Hack - Make very fast level ups on multiplayer COD: BO for free. Working on PC/PS3 and XBOX360 console.
Fill the survey to download this hack.

Instructions !

Step 1: Download File and UnRar:

Step 2: Load it Onto a Memory stick That has more than 60mb
Step 3: Put it onto your PS3 or XBOX or WII (For PC Just Save it in Savegame Folder)
Step 4: Install it Onto Console (Not Needed For PC)
Step 5: Join a Public Game And Level up Insanely fast!
Step 6: Enjoy MAX LEVEL !