Full list of all 49 Watch Dogs: Legion achievements worth 1,195 gamerscore. It takes around 40-50 hours to unlock all of the achievements in the base game.
The base game contains 39 achievements worth 1,000 Gamerscore, and there are 2 DLC packs containing 10 achievements worth 195 Gamerscore.
Complete the 404 Storyline
Recruit an Operative in Campaign Mode after completing 'Reporting For Duty'
Turn one borough into Defiant state
Complete "Operation Westminster"
This achievement is a secret. The more you play, the more likely you are to unlock it!
Turn all the boroughs into Defiant state
Have a team of 20 Operatives with different occupations
Recruit a Video Game Designer
Perform 5 stealth takedowns with a Professional Hitman
Kill 5 Albion guards using Dive Bomb
Neutralize 10 Albion guards using Bee Swarms
Propagate a hack across 8 targets at once
Disable weapons of 5 Albion guards at once using the Spy Watch Gadget
Have your followers neutralize a total of 3 Albion guards
Stun Clan Kelley members 5 times with paintball gun headshots
Perform 5 arrest takedowns
Enter Buckingham Palace's restricted area disguised as a Royal Guard
Escape a Pursuit Level 5 doing a Statue Emote
Complete Kick up challenge intermediate 1
Complete a Darts game in every Darts location
Complete a Paste Up in every Paste Up location
Drink at least once in every Drink location
Complete 20 Parcel Fox Delivery Missions
Buy a Weapon Skin
Buy a Vehicle Paint
Spend 100 000 ETO on Clothes in Campaign Mode
Unlock all Upgrades in Campaign Mode
Purchase all Campaign Weapon Upgrades or all Online Weapon Upgrades
Collect 50 Audio Logs
Collect 15 Relics
Complete all Campaign Missions on Resistance mode
Complete "Acquisition Target"
This achievement is a secret. The more you play, the more likely you are to unlock it.
Unlock all Upgrades in the Bloodline expansion
Collect 50% of Data Drive files in the Bloodline expansion