Shadow-Hydra

Two Birds Kill both soldiers with one shot in 'Hometown'.

One by One Stealth Consume 50 Blackwatch troopers.

Prince of Tides Complete the Enemy Tides Challenge.

Standing Stones Find 13 Standing Stones

I want one of those Customize 25 weapons.

Delver Clear 50 dungeons

…They're Action Figures Collect 20 Vault-Tec Bobbleheads

War Hero Capture Fort Sungard or Fort Greenwall

Wall Hax Save Alpha 3-2 from being downed.

Completist Purchase every item in the upgrade menu.

Dark Relics Find all Unholy relics

Who Constructs The Constructor? Completed the mission "Let's Build A Robot Army".

Clothes Whore You've collected all of the available costumes.

We're in This Together Kept all Underbosses alive until "Yet Here We Are"

Rising Star Complete 20 non-Story Quests.
1/20

Downgrade Complete any Alter Ego without leveling up once.

Road Rage Destroy 100 vehicles in the Manhattan hub

Preventive Diplomacy Kill an enemy just as they are throwing a grenade. (campaign only)

Skadi's Hobby Perform a 150m slide in the snow

Hot Swap Get at least one kill with eight different weapons when completing 'Old Comrades'.

Penta's Revenge Defeat Dingodile.

Full Arsenal You own all the weapons and costumes available in the game.

Testing the Shocks While driving, performed a 50-meter jump and landed on your wheels

The Islands Complete all levels in The Islands

A Forte for Achievement Reach Level 40

Warheads on Foreheads Reach Barkov's lab entrance using only drone strikes.

Tunnel Rat Complete 'The Wolf's Den' tunnels using only the 1911.

Blind Luck Kill 5 enemies using blind fire. (campaign only)

Savvy Spender Spend all Talent Points
35/36

The Duelist Won a duel.

Hero of Skyrim Capture Solitude or Windhelm

Argent Fiend Fully upgrade Health, Armor, and Ammo capacity on a single campaign run.

Well Done, Judas Find All 30 pieces of silver

Urban Explorer Discover all named locations in Sanctuary, Opportunity, and Lynchwood.

Good Effect on Target Kill an enemy with a direct hit from a smoke grenade.

Crackshot Achieve a perfect score in the Shooting Gallery

Friend Finder Acquire and unlock all Summons

Eavesdropper In the Main Campaign, collected every Voxophone.

Clockwerk Collector Collect over 20 treasures.

Sparrow Approves Use the compass many times to navigate.

Jack the Ripper Melee 5 enemies in a row.

Sightseer In the Main Campaign, used all telescopes and Kinetoscopes in the game.

Mad Skillz Max out all the skills that allow you to level up.

Los Santos Customs Fully mod a vehicle.

Bookworm Read every single file in the story.

Timber Defeat Uriaș during the first lycan attack when you enter the village.

Interrogation Interrogate an enemy soldier.

High-Flying Hurler Kill a flying enemy with a thrown Tediore weapon.

Dodged a Bullet Never get hit by the sniper while escaping captivity.

Odessa Mining Company Complete the Mystery.