All weapons:To unlock all weapons, during game play hold LB RB and press Right(2), Down, Up, Left(2).Infinite C4 in Multiplayer mode:There is a glitch in Multiplayer mode that allows you to use infinite C4 in an area. Choose a Spec Ops and commit suicide. Then, choose a Spec Ops again and go to where your previous character left the weapons pack. Throw a C4 but do not detonate it. Switch weapons packs with your previous character and throw another C4 but do not detonate it. You can continue to do this as long as you keep switching weapons packs.Avoiding missiles:To avoid being hit by a missile while flying a Helicopter, when you are laster targeted then fly as fast as you can and as low to the ground as possible. The missile will hit the ground most of the time.RPG Rocket Challenge:To get more points in the RPG Rocket Challenge, shoot the vehicle from a further distance.Multiplayer ranks:Achieve the following ranks by earning the corresponding medals, points, and PPH:RANK – MEDALS/POINTS/PPHBrigadier General – 12 medals, 19,390 points, 85 PPHCaptain – 8 medals, 8,430 points, 65 PPHChief Warrant Officer – 5 medals, 3,700 points, 50 PPHColonel – 11 medals, 16,070 points, 80 PPHCommanding Sergeant Major – 3 medals, 1,820 points, 40 PPHCorporal – 0 medals, 70 points, 15 PPHFirst Lieutenant – 7 medals, 6,560 points, 60 PPHFive Star General – 15 medals, 32,000 points, 100 PHLieutenant Colonel – 10 medals, 13,150 points, 75 PPHLieutenant General – 14 medals, 27,330 points, 95 PPHMajor – 9 medals, 10,620 points, 70 PPHMajor General – 13 medals, 23,150 points, 90 PPHMaster Sergeant – 1 Medal(s), 720 points, 30 PPHPrivate – 0 medals, 0 points, 0 PPHPrivate First Class – 0 medals, 20 points, 10 PPHSecond Lieutenant – 6 medals, 4,900 points, 55 PPHSergeant – 0 medals, 190 points, 20 PPHSergeant First Class – 0 medals, 390 points, 25 PPHSergeant Major – 2 medals, 1,180 points, 35 PPHWarrant Officer – 4 medals, 2,650 points, 45 PPH Weapon and equipment upgrades:Unlock the following upgrades in single-player mode by collecting the corresponding number of stars:UPGRADE – STARS105mm Cannon (Increased Ammo 150) – 133 120mm Cannon (Increased Ammo 150) – 133 125mm Cannon (Increased Ammo 150) – 133 23mm Cannon (Increased Ammo 3,000) – 133 25mm Cannon (Increased Ammo 3,000) – 133 30mm Cannon (Increased Ammo 750) – 133 40mm Cannon (Increased Ammo 3,000) – 133 70mm Rocket (Increased Ammo 150) – 171 90mm Cannon (Increased Ammo 150) – 133 Antitank Missile (Increased Ammo 75) – 171 Assault Rifle (45-Round Clip) – 32 Assault Rifle (Armor-Piercing Bullets) – 253 Assault Rifle (Increased Ammo 225) – 82 Assault Rifle (Increased Zoon) – 152 Auto-Injector (Increased Ammo 5) – 158 Blowtorch (Increased Ammo 1,500) – 89 C4 Explosive (Increased Ammo 6) – 101 Forward Observer (Extended Target Length) – 183 Forward Observer (Increased Ammo 6) – 120 Frag Grenade (Increased Ammo 5) – 196 Grenade Launcher (Increased Ammo 5) – 63 Grenade Launcher (Increased Ammo 90) – 108 Laser Target Designator (Bunker Buster Splash Damage) – 247 Laser Target Designator (Increased Zoom) – 234 Laser Target Designator (Increased Ammo 2) – 202 Locking Missile (Increased Ammo 6) – 215 Machine Gun (150-Round Clip) – 38 Machine Gun (Armor-Piercing Bullets) – 266 Machine Gun (Increased Ammo 1500-3000) – 57 Machine Gun (Increased Ammo 300) – 139 Mine (Increased Ammo 5) – 177 Mortar Strike (Carpet Bomb) – 259 Mortar Strike (Increased Ammo 2) – 209 Pistol (23-Round Clip) – 06 Pistol (Increased Ammo 45) – 25 Rocket Launcher (Homing Missle) – 228 Rocket Launcher (Increased Ammo 8) – 19 Rocket Launcher (Increased Zoom) – 76 Shotgun (12-Round Clip) – 51 Shotgun (Increased Ammo 48) – 114 Smoke Grenade (Increased Ammo 5) – 145 Sniper Rifle (9-Round Clip) – 44 Sniper Rifle (Armor-Piercing Bullets) – 221 Sniper Rifle (Increased Ammo 15) – 95 Sniper Rifle (Increased Zoom) – 164 Stun Grenade (Increased Ammo 5) – 190 Sub-Machine Gun (45-Round Clip) – 13 Sub-Machine Gun (Armor-Piercing Bullets) – 240 Sub-Machine Gun (Increased Ammo 225) – 70 Sub-Machine Gun (Increased Zoom) – 126 EA formation:After unlocking the Frag Grenade weapon challenge, complete all rounds and kill all enemies until round ten. After killing every enemy, you will go to round eleven. In round eleven the soldiers move and create the shape of first an “E”, then an “A” as a reference to EA Games.Hotswap Challenge:When doing the Hotswap Challenge, it is easier if you move towards the marker to make more “Hotswaps” available. By doing this, you will not lose 1,000 points. Air Traffic Control: Get two helicopters easily:At the start of the Air Traffic Control level, you will be a sniper. Directly behind you will be a chopper. Turn around as soon as the level begins to get a good shot. You should be able to shoot the pilot and the chopper will crash. Make sure you hit the pilot, and not the chopper. You can then get in and shoot out the turrets with the chopper. When the jeeps come by, hotswap to one and go directly past the turrets and into the helicopter inside the heliport. You have now acquired two helicopters, making this level very easy.Multi-player: Conquest game:In a conquest game in multi-player mode, load up a chopper to its maximum and the paradrop one person at a time over the flag. This can be done five times total, including the chopper pilot.Multi-player: Easy points:To easily gain points in multi-player mode, plant a C4 on the flag during a CTF game and wait for the message stating that the enemy has taken your flag. Then, use the detonator to get about 4 to 6 points. Another way is to place land mines around the flag, one in the front and one on each side of it. You will get easy points from vehicle that run over the mines.Multi-player: Easy kills:Dive as you are firing to make it difficult for opponents to hit you.Avoid GTAMs:To avoid a GTAM, bail out, dodge a couple buildings, or have an artillery strike fall on top of you.Avoid airstrikes:If you have been targeted by a sniper with an airsrike, the easiest way to dodge them is to fly very low and fast.Easy Expert Healer medal:If u play online, go to Bridge Too Far. Select the Chinese side and choose any weapon kit. Get a vehicle and park it on top of the health box near the garage (where you can get your vehicle fixed). Get out and go up the staircase. Go all the way to the top and jump down without using your parachute. Jump in the vehicle and get your health up. Afterwards you should get a point. Do that four times and you will get a medal.Easy Expert Shooting medal:Go to the “Backstab” map and play as a sniper. Get to a good location and snipe. Only snipe people who are standing still. Note: This requires patience.Limited mines and C4:The Engineer and Special Ops have a limited number of mines and C4 they can put down. Once you put down nine, you are good. Put down ten or more and the first one you put down will disappear or explode.Kamikaze:Be a Special Ops and get out your C4s. Get near a vehicle and put one or two C4s on it. Keep your detonator out and go in the vehicle. When you see an enemy, get out your vehicle so that it