Here is the full list of all 46 Anthem achievements worth 1,000 gamerscore. It takes around 60-80 hours to unlock all of the achievements on Xbox One.
Complete 12 Interceptor Gear I Challenges
Complete all Bastion Collectibles challenges.
Complete 12 Storm Gear I Challenges
Discover all districts, landmarks, and hidden places in Academy Ruins.
Discover all districts, landmarks, and hidden places in East Gate.
Discover all districts, landmarks, and hidden places in High Road.
Complete Matthias's Riddles of Raban Maur story.
Complete a mission, contract, or stronghold with a masterwork javelin rarity.
Complete tasks to aid the Sentinel cause.
Discover all districts, landmarks, and hidden places in Great Falls Canyon.
Complete tasks to aid the Freelancer cause.
Complete Yarrow's Shallow Grave story.
Complete Part 2 of Brin's Need to Know story.
Discover all districts, landmarks, and hidden places in Monument Watch.
Complete 12 Colossus Gear I Challenges
Complete 3 Autocannon I Challenges
Complete Dax's Emerald Abyss story.
Discover all districts, landmarks, and hidden places in Emerald Abyss.
Complete Return to the Heart of Rage.
Complete Freelancer Down.
Complete tasks to aid the Arcanist cause.
Discover all districts, landmarks, and hidden places in Fortress of Dawn.
Discover all districts, landmarks, and hidden places in Ruins of Shadowmark.
Complete a mission, contract, or stronghold with an epic javelin rarity.
Complete 3 Grenade Launcher I Challenges
Complete Matthias's Triple Threat story.
Discover all districts, landmarks, and hidden places in Valley of Tarsis.
Complete The Fortress of Dawn.
Complete The Tomb of General Tarsis.
Complete 3 Marksman Rifle I Challenges
Complete 12 Ranger Gear I Challenges
Complete 3 Sniper Rifle I Challenges
Complete 3 Machine Pistol I Challenges
Complete 3 Heavy Pistol I Challenges
Complete 3 Shotgun I Challenges
Complete 3 Assault Rifle I Challenges
Complete Yarrow's Keeping Promises story.
Complete 3 Light Machine Gun I Challenges
Complete Part 1 of Brin's Need to Know story.
Discover all districts, landmarks, and hidden places in Eastern Reach.
Complete a mission, contract, or stronghold with a rare javelin rarity.
Complete Finding Old Friends.
Complete Matthias's Search for Knowledge story.
Complete a mission, contract, or stronghold with an uncommon javelin rarity.
Complete Incursion.
Complete Early Warnings.