The following is a catalogue of the main multiplayer unlockables:
Grenade Launcher (Assault Rifles only)
Grip (Increases accuracy - Light Machine Guns and Shotguns only)
Rapid Fire (SMG only)
Red Dot Sight
Silencer (Shots do not show up on enemy minimap)
FMJ (Increases damage)
Akimbo (Hold two weapons simultaneously - SMG and Machine Pistols only)
Thermal (A scope which highlights enemies in white)
Tactical Knife (Pistols only)
Frag – Cookable fragmentation grenades.
Semtex – Timed sticky explosives.
Throwing Knife (lvl. 7) – Throw it and pick it back up.
Tactical Insertion (lvl. 11) – Choose where to respawn.
Blast Shield (lvl. 19) – Increased explosive resistance.
Claymore (lvl. 31) – Anti-personnel mines.
C4 (lvl. 43) – Remote-detonating explosives.
Marathon – Infinite sprint. (Pro: Mantle faster.)
Sleight of Hand – Faster reloading. (Pro: Faster aiming.)
Scavanger (lvl 13) – Resupply from dead bodies. (Pro: Extra mags.)
Bling (lvl 21) – Two primary weapon attachments. (Pro: Two secondary attachments.)
One Man Army (lvl 45) – Swap classes while alive. (Pro: Swap classes faster.)
Stopping Power – Increased bullet damage. (Pro: Extra damage vs. enemy vehicles.)
Lightweight – Move faster. (Pro: Faster knife speed.)
Hardline (lvl. 9) – Perks require one less kill. (Pro: Deathstreaks require one less death.)
Cold-Blooded (lvl. 25) – Undecetable by UAV, air support, sentries, and thermal. (Pro: No red name or crosshair when targeted.)
Danger Close (lvl. 33) - Increases explosive weapons damage. (Pro: Extra air support damage.)
Commando – Increased melee distance. (Pro: No falling damage.)
Steady Aim – Increased hip fire accuracy. (Pro: Hold your breath longer.)
Scrambler (lvl. 17) – Jam enemy radar near you. (Pro: Delays the explosion of enemy claymores.)
Ninja (lvl. 29) – Invisible to heartbeat sensors. (Pro: Move Silently.)
SitRep (lvl. 37) - Detects enemy explosives and tactical insertions. (Pro: Makes enemy footsteps louder.)
Last Stand (lvl. 41) – We haven’t actually unlocked this yet, but we assume it is similar to the Last Stand from CoD 4, which allows a player, upon his death, to take a few shots with his secondary weapon.
Copycat – Steal your killer’s class in killcam.
Painkiller (lvl 6) – Big health boost while you spawn.
Martyrdom (lvl27) – Drop a live grenade just after dying.
Final Stand (lvl 39) – Like the Last Stand perk from CoD 4, except that you can use your primary and recover after enough time.
Nov 11, 2009
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