Complete the following achievements to unlock Xbox Live Gamerscore points.
Achievement
How to unlock
Attacker ( 10 points )
Capture five flags.
Best Squad ( 20 points )
Be in the best squad on all three maps.
Defender ( 10 points )
Defend five flags.
Master of your domain ( 20 points )
Get one kill playing as each class.
Melee Man ( 20 points )
Melee kill one enemy player.
Milkrun ( 20 points )
Fly a plane for 10 minutes.
Motorman ( 20 points )
Get one kill with car, tank and plane.
Parachutist ( 10 points )
Use the parachute once ( 2 seconds).
The Pacific Campaign ( 10 points )
Win once on every map as any team.
Tour of Duty I ( 10 points )
Play 30 matches.
Tour of Duty II ( 30 points )
Play one hundred matches.
Veteran ( 20 points )
Cap 25 enemy flags.
Faster reloads
Press [Reload], immediately sprint a few steps, then press [Reload] again.
Haggard reference
You can find the phrase "Haggard was here" written in the sand on a small island in the "Iwo Jima" mission.
Postcards
Complete the indicated task to unlock the corresponding postcard.
Matches and wins
Pacific Campaign: Win twice on every map as any team.
The Best: Get the highest score in a match.
Tour of Duty I: Play fifty matches.
Tour of Duty II: Play one hundred and thirty matches.
Truly Elite: Get 10,000 Kills.
Kit specific
Infantryman: Kill fifty enemies with a submachine gun.
Master Blaster: Kill fifty enemies with grenades, rifle grenades or explosives.
Master of your Domain: Get Seventeen kills playing as each class.
Melee Man: Get twenty melee kill.
Rifleman: Kill fifty enemies with a semi-automatic rifle.
Sniper!: Kill fifty enemies with a scoped rifle.
Vehicle specific
Bomb run: Launch an air raid killing at least one enemy.
Fighter Ace: Get fifty kills using fighter planes.
Milkrun: Fly a plane for twenty minutes.
Motorman: Get twenty five kill with car, tank and plane.
Parachutist: Use the parachute four times.
Wheelman: Get fifty kills using car, tank or boat.
Teamplay and miscellaneous
Attacker: Capture thirty flags.
Best Squad: Be in the best squad three times on each map.
Defender: Defend twenty flags.
Lifer: Reach top rank.
Squad Assister: Get one hundred squad assists.
Squad Avenger: Avenge one hundred squad members.
Veteran: Cap fifty enemy flags.
Repairing planes
Land your plane on the landing pads, or ships to repair them at anytime.
Sandcastles
Search the following locations to find a hidden sandcastle.
Guadalcanal
There are two islands (a small one and a big one). On the big island is a beach facing toward Guadalcanal as well as two trees. Follow the beach to the left of those trees to find a mini sand castle with a shovel.
Iwo Jima
On the island closest to the carrier is a small sandcastle facing the carrier.
Wake Island
There are two small islands by the beach base. On the one to the right is a sandcastle with a Swedish flag and a yellow shovel.
Squads
Always join an open squad if not already playing with friends. This gives you the ability to spawn next to them at anytime instead of spawning at a base.
Stamps
Complete the indicated task to unlock the corresponding stamp.
Kit specific
AT Efficiency: Kill four vehicles with recoilless rifle.
Explosives Efficiency: Kill four enemies with grenades or explosives.
Knife Efficiency: Kill four players with melee weapons.
Pistol Efficiency: Kill four enemies with a pistol.
Rifle Efficiency: Kill four enemies with a semi-automatic rifle.
Rifle Grenade Efficiency: Kill four enemies with rifle grenades.
SMG Efficiency: Kill four enemies with a submachine gun.
Sniper Efficiency: Kill four enemies with a scoped rifle.
Teamplay
Air Superiority: Shoot down three bombers.
Attacker Efficiency: Capture five enemy flags.
Best Squad: Be the best squad of the round.
Defender Efficiency: Defend five flags.
Leatherneck: Kill at least twenty enemies.
Squad Excellence: Each squad member gets any one stamp and kills ten enemies.
Teamplayer: Get ten squad assists.
Vehicle Assist Efficiency: Get five vehicle assist kills.
Vehicle specific
Air Defense Efficiency: Kill two planes with an anti aircraft gun.
Boat Efficiency: Get two kills with a landing craft.
Bombing Efficiency: Kill four enemies with air raids.
HMG Efficiency: Get four kills with a heavy machine gun.
Jeep Efficiency: Get four kills with a car.
Plane Efficiency: Get five kills with a fighter plane.
Tank Efficiency: Get four kills with a tank.
Vehicle Efficiency: Destroy six vehicles in any fashion.
Achievements...