GeeseValley

Walls That Hold Back The Wind Settle in a new home (complete Sequence 4, Memory 1)

Not So Little Friend Unlock the secondary firing mode on a Jackdaw weapon

Smooth Operator Craft an item

A Poxy Bird Captain your own ship (complete Sequence 2, Memory 6)

Yo Ho… Learn a new shanty

Lively Havana Get a tour of Havana (complete Sequence 2, Memory 1)

For Sail Finally reach the windmill!

The Perfect Mission Complete Separate Ways on Professional mode.

Skilled Agent Complete Separate Ways on Hardcore mode or higher.

Even Tempered With the Temperamental Skull activated beat Halo without upsetting anyone.

REMIX! Complete a Remixed Mission.

Priorities Find all skulls and terminals in Keyes.
100/100

Headhunter Collect all 39 Skulls.
100/100

Collector’s Addition Find all skulls and terminals in the game.
100/100

Personal Space Complete Heavy Burden.

Parting Gifts Find all skulls and terminals in Heavy Burden.
100/100

Lore Have Mercy Activate all 13 Terminals.
100/100

Tiger Company Complete The Most Dangerous Game.

Brute Loops Find all skulls and terminals in The Most Dangerous Game.
100/100

Before the Fall Complete Boarding Action.

Souvenirs Find all skulls and terminals in Boarding Action.
100/100

No Rush Find all skulls and terminals in The Maw.
100/100

Outpost Discoveries Find all skulls and terminals in Two Betrayals.
100/100

Timeless Tomes Find all skulls and terminals in The Library.
100/100

Making a Necklace Collect 22 Skulls.
100/100

Proto Gravemind Find all skulls and terminals in 343 Guilty Spark.
100/100

Stowed in Snow Find all skulls and terminals in Assault on the Control Room.
100/100

Buried Treasure Find all skulls and terminals in Silent Cartographer.
100/100

Plundered Find all skulls and terminals in Truth and Reconciliation.
100/100

Successful Search Find all skulls and terminals in Halo.
100/100

All Shield, No Yield Complete any level on Heroic difficulty or higher without taking health damage.

Clean Sweep Find all skulls and terminals in Pillar of Autumn.
100/100

Cranial Collect a Skull.

Heroes Never Die Complete the Campaign on Heroic Difficulty.
100/100

Living Legend Complete the Campaign on Legendary Difficulty.
100/100

Bad Gas Destroy 100 Grunt backpacks.
100/100

Dust & Echoes Evolved Complete The Maw.

Greenhorn Complete the Campaign on Easy Difficulty.
100/100

Birth of a Spartan Complete the Campaign on Normal Difficulty.
100/100

Clean Lap On The Maw complete the warthog run without being forcibly ejected from your vehicle.

Captain’s Orders Complete Keyes.

Plate Tectonics Break off 25 Hunter backplates.
100/100

Double Trouble Complete Two Betrayals.

Protocol Dictates Action Complete The Library.

Disarmed Dismember 100 Flood parts.
100/100

This Stuff is Your History Complete 343 Guilty Spark.

Control Alt Delete Complete Assault on the Control Room.

That’s My Ride On Assault on the Control Room get to the Banshee before the Elite.

Claims Adjuster Break off 50 Vehicle parts.
100/100

Bee Thirty Complete Silent Cartographer.