Full list of all 75 Defiance achievements worth 1,625 gamerscore. It takes around 80-100 hours to unlock all of the achievements in the base game on Xbox 360.
The base game contains 50 achievements worth 1,000 Gamerscore, and there are 6 DLC packs containing 25 achievements worth 625 Gamerscore.
Complete all other achievements
Complete the tutorial
Complete Act 1
Complete Act 2
Complete Act 3
Complete Act 4
Complete Act 5
Complete the Liberate the Lost co-op map
Complete the Soleptor Excavation co-op map
Complete the Explosions 101 co-op map
Complete the Island of Lost Soldiers co-op map
Complete the Motherlode co-op map
Complete the Commandeer Cronkhite co-op map
Complete the Scrapworks Salvage co-op map
Complete your first pursuit in the Bay Area
Complete 5 pursuits in the Bay Area
Complete 10 pursuits in the Bay Area
Complete 15 pursuits in the Bay Area
Complete 20 pursuits in the Bay Area
Complete a daily contract for Von Bach Industries
Complete a daily contract for Soleptor Enterprises
Complete a daily contract for Top Notch Toolworks
Complete a daily contract for Echelon
Complete 4 weekly contracts
Increase reputation with Von Bach Industries, Soleptor Enterprises, Top Notch Toolworks and Echelon
Get max reputation with Von Bach Industries, Soleptor Enterprises, Top Notch Toolworks and Echelon
Complete your first minor arkfall
Complete your first major Arkfall in the Bay Area
Complete 10 major Arkfalls in the Bay Area
Win 10 matches in Freight Yard
Win 10 matches in Observatory
Win 10 matches in Waterfront
Earn your first perk
Earn 50 perks
Completely upgrade a perk
Completely upgrade 25 perks
Completely upgrade an EGO Power
Reach EGO Rating 500
Reach EGO Rating 2500
Equip your first legendary weapon
Max out one weapon skill
Kill 10,000 enemies
Revive another player outside the tutorial
Capture 50 points in Shadow War
Kill 25 players by running them over
Kill 50 players with headshots
Kill 100 players
Jump a total of 5 kilometers with vehicles
Swim a total of 1 kilometer
Cross the Golden Gate Bridge
Complete Ferick's Missions
Get a gold rating in the Yuke Arena
Get a gold rating in the Rizi Arena
Get a gold rating in the Emine Arena
Get a gold rating in the Valáne Arena
Get a gold rating in the Shanje Arena
Complete the Thawandaye Pursuits
Max out reputation with the Thorn Liro
Complete the "Stim Connoisseur" pursuit
Complete the "Spike Driver" pursuit
Assemble an ark spike
Complete the Combat Tech missions
Kill the Volge Warmaster
Kill a Volge Huntmaster
Be in a clan that reaches rank 10 in the Arkfalls activity
Be in a clan that reaches rank 10 in the Competitive Multiplayer activity
Complete 25 Incursion Events in Paradise
Complete the "7th Legion Shogun II" pursuit
Japanese Lucky Cat
Complete the "Golden Badge" pursuit
Complete the "Master Gunslinger III" pursuit
Complete the "The General" pursuit
Complete "The Lion's Claw II" pursuit
Complete "The Unbreakable Horn II" pursuit
Complete "The Snake's Bite II" pursuit