Complete the "headshots" goal in mission 6-1.
Start level 6-2 (Into The Abyss). Kill all the guards in this little area, but make sure not to lose any health. Go through the door directly ahead, then go to the left. Do not kill the civilian. Then go to the right to where the elevator blows and go into the intermission sequence. Run to the platform. Go down the ladder and shoot open the door so that the civilians can get out. Do not get off the elevator. Instead, go to the back right corner and stay there. You will fall with the elevator and lose much of your health. However, you will not be dead and can see through the walls. Note: The only way to exit is to die.
Only available online. Increases your damage done by melee moves such as kicking and elbowing.
In the "Jimmy Zhou's Army" bonus mission, the last enemy before Zhou will have a minigun. Kill him when he is not against a wall. You will most likely be able to retrieve the minigun.
Get 10 headshots in Mission 7-1 under the hard difficulty setting to unlock the M4 Silenced in Mission mode.
Each time you rank up or obtain certain badges in multiplayer, you unlock new weapons. These weapons are unlocked for Multiplayer use only. Guns are listed in order, Team 1 weapons first and Team 2 weapons second.
| Effect | How to unlock
|
|---|
- 33 SC-1 and SG-76 H-Bar (Snipers)
| |
- AR-15 and Draugonov (Snipers)
| |
| - Earn Expert Gadget Expertise Badge
|
- Desert Sniper .357 and SP-57 (Pistols)
| |
- Double Sawn-Offs (Pistol)
| - Earn Elite One-handed skill badge
|
| - Earn Expert Explosive Expertise Badge
|
| - Earn Elite Hand to Hand Combat Badge
|
- G-17 and Makarov (Pistols)
| |
| - Earn Elite Gadget Expertise Badge
|
- M16 A2 and Famas(ARs, burst fire)
| |
- M16K and Galil (ARs, Full Auto)
| |
- M60 E-3 and Chinese Type-56 (HMGs)
| |
| - Earn Elite Explosive Expertise Badge
|
- MDS A3 and Spectre (Full Auto SMGs)
| |
- MDS-7 and Ripper (SMGs in pistol slot)
| |
- Shot Defender and SPA-12 (Shotguns)
| |
- Trip Bar and Ramat (HMGs/ARs)
| |
- USAS-12 and Sawed Off (Shotguns)
| |
Here are ways to earn/unlock badges while playing online Multiplayer.
| Effect | How to unlock
|
|---|
| - Expert: Around 250 Headshots; Elite: around 500 Headshots
|
| - Expert and Elite badges are earned by finding Flak Jackets.
|
| - Expert: Around 200 Exp. kills(MGL, SMAW or M67) Elite: 500 Exp. kills
|
| - Expert and Elite: HEAL!!!! Just keep on Healing!
|
| - Expert and Elite: Get Kills with Taser, Laser Mines, Claymores
|
| - Expert: Around 30 Melee kills; Elite: Around 50 Melee Kills
|
Get 70 kills in multi-player mode.
Successfully complete Training Mission 1 with a time less than 1:35. To do this, go halfway through the mission until you reach the point where you must use the night vision goggles to find the code and unlock the door. When you reach this point after crawling through the crawl space, turn right and climb over the crate. Go forward until you fall off, and there will be a crate directly on your right. Climb it and there will be a zip-line. This will take you to the end of the mission.
From the main menu select single player. Then select training mode. Then choose the training level you wish to try.
| Reward | How to unlock
|
|---|
| - Complete the second training mission in under 3 minutes.
|
| - Training Mission 1: Complete this mission in under 1 minute and 25 seconds.
|
| - Training Mission 3: Complete this mission without wasting a shot.
|
Unlock Birds Of A Feather
Successfully finish Story mode under the normal or hard difficulty setting.
Successfully finish the 2nd training mission in single player mode under 3 minutes.
Unlock Goodnight, Sweetheart
Beat all the time limits in all Training missions.
Successfully finish the Birds Of A Feather bonus mission.
Unlock M1 Super 90 weapon
Destroy 5 DU containers in Mission 4-1 in single player mode.
Destroy 5 DU containers in Mission 4-2 in single player mode.
Successfully finish the KemSynth Tower mission with a time less than 2:45.
Destroy 5 DU containers in Mission 4-3 in single player mode.
Unlock Shot Defender weapon
Finish the Sana Yemen mission with a time less than 3:40.
Unlock SMAW rocket launcher weapon
Shoot all the small warheads in Mission 4-3.
Unlock Trapped In The Hornets Nest
Get all Combat Sharp Shooter patches.
Successfully finish training mission three without wasting a shot.
Unlock Up A Column Without A Paddle
Get all Elite Weapons Expert patches.
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