Hardline Pro: Get 40 Killstreaks while using the Hardline perk. Its effect is increased explosive weapon damage and extra air support damage. Danger Close Pro: Get 100 kills with explosives while using the Danger Close perk. Its effect is increased melee distance and no falling damage. Commando Pro: Get 20 melee kills while using the Commando perk.

Its effect is undetectable by UAV, air support, sentries, and thermal imaging and no red crosshair or name when you are targeted. Cold-Blooded Pro: Destroy 40 enemy Killstreak rewards while using the Cold-Blooded perk. Its effect is two primary weapon attachments and two secondary weapon attachments. Successfully complete the indicated task to unlock the corresponding Professional perk:īling Pro: Get 200 kills while using a weapon with two attachments. Sixth Custom Class slot: First Prestige Seventh Custom Class slot: Third Prestige Eighth Custom Class slot: Fifth Prestige Ninth Custom Class slot: Seventh Prestige Tenth Custom Class slot: Tenth Prestige

Reach the indicated Prestige level to unlock the corresponding Custom Class slot. Reach Level 70 in Multiplayer mode to unlock Prestige mode. Do not bother shooting anyone prior to using the bell, as it will not count. Note: There are three rooms, one of which nothing happens in. There are two waves of kills needed to complete it. You will hear a sound once that wave is completed. About thirty people (all characters from the game) will try to kill you. Once you press this button, enemies will begin coming to life in one room area at a time. On the desks there is a red bell that is labeled 'Don't Press'. Go to the desks by the entrance to the rooms. Get two weapons, and max out your ammunition through the crates supplied. When the level begins, it is recommended you first study the layout. Go to the single player missions, select the new 'Museum' mission at the bottom, and choose a difficulty. Successfully complete the game to unlock the Museum bonus level. Use one of the following values with the ' devmap ' code: Note: '0.1' is 10% game speed, and '1' is normal game speed.

Note: There is no confirmation that a code has been enabled. Then while playing the game, press the corresponding key to activate the corresponding cheat function. Begin the game, then start a new level by either using the 'Mission Selection' option or starting a new game. Save the 'config.cfg' file, then Right Click it, select 'Properties', and set it to 'Read Only'. For example, adding the following line will bind the 'God mode' cheat to the 'U' key: You can now further modify the file by binding any of the following cheat codes to an unused key. Add the following line to the end of the file: Use a text editor to edit the 'config.cfg' file in the 'players' directory in the game folder. Note: This procedure involves editing a game file create a backup copy of the file before proceeding.

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