Here is the full list of all 43 Brothers in Arms: Hell's Highway achievements worth 1,000 gamerscore.
Unlocked when you issue Fall-in, Move, and Attack orders for the first time
Unlocked when you've ordered any of your fireteams to assault the enemy 5 times
Unlocked when you've maxed the suppression icon of an enemy for the first time
Unlocked when your squad has found, fixed, flanked, and finished 10 fireteams
Unlocked when your squad has killed 20 germans
Unlocked when you order your bazooka team to destroy sandbags
Unlocked when the player picks up and fires the German MG42
Unlocked when the player kills 5 enemies by hitting them with the tank
Unlocked when you destroy an enemy tank
Unlocked when you kill 25 enemies while dug in
Unlocked when you trigger an Action Camera moment using an explosive
Unlocked when you get the headshot Action Camera
Unlocked when you get 10 of any kind of Action Camera (headshot or grenade or others)
Unlocked when you trigger 25 of any kind of action camera moment
Explore the abandoned hospital and Baker's fate...
Clear the Landing Zone and rendezvous with Hartsock.
Fight your way to the bridge over the Wilhelmena Canal in Zon.
Battle through the streets of Eindhoven with the 506th.
Escort XXX Corps and link up with the 101st Airborne.
Survive the bombing of Eindhoven.
Explore the abandoned hospital and discover Baker's fate...
Repel Kampfgruppe Walther's crushing attack on Veghel.
Defend Hell's Highway against the German counterattack.
Expel the German forces from Koevering and bring an end to Operation Market Garden.
Find and activate a Recon Point
Find six Recon Points
Find twelve Recon Points
Find sixteen or more Recon Points
Find and view a hidden kilroy
Find nine Kilroys
Find eighteen Kilroys
Find 25 or more Kilroys
Unlocked when you are joined by a friend in an online match
Unlocked when your squad appoints you the leader for another round
Unlocked when you win a match under a commander with the Earned in Blood achievement
Unlocked by killing someone who has the Truly Inspired achievement
Unlocked after completing your first four player capture game
Unlocked after completing five capture games (minimum four players per game)
Unlocked after completing 20 capture games (minimum four players per game)
While connected to Xbox LIVE, play the game once a day for 7 days
While connected to Xbox LIVE, play the game once a week for three months
While connected to Xbox LIVE, play the game for once a day for 100 days
While connected to Xbox LIVE, play the game on September 17th.