Qzela

Hold the Line Complete the game on any Difficulty.

Never Forgotten Recover the Dog Tags in 'Escape'.

No Stone Unturned Confiscate all of the contraband and read all of the notes in 'Following Orders'.

No Harm Done Obtain the defector's location in 'Following Orders' without hurting any civilians.

Personal Space Complete Heavy Burden.

Plate Tectonics Break off 25 Hunter backplates.
100/100

Tiger Company Complete The Most Dangerous Game.

Before the Fall Complete Boarding Action.

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.

Double Trouble Complete Two Betrayals.

Disarmed Dismember 100 Flood parts.
100/100

Protocol Dictates Action Complete The Library.

This Stuff is Your History Complete 343 Guilty Spark.

Control Alt Delete Complete Assault on the Control Room.

Bad Gas Destroy 100 Grunt backpacks.
100/100

Claims Adjuster Break off 50 Vehicle parts.
100/100

Bee Thirty Complete Silent Cartographer.

Infiltration Anticipation Complete Truth and Reconciliation.

Make Them Count Kill 100 enemies with headshots.
100/100

Installation 04 Complete Halo.

The Autumn Leaves Complete Pillar of Autumn.

Big Climb Reach the highest point

Big Sit Ride the chairlift

Big Tunnel Enter a big tunnel

Devil's in the Details Defeat Commander Zhalk in the Nautiloid.

No Penny Required Successfully use Detect Thoughts to pry into someone's thoughts.

Descent From Avernus Take control of the Nautiloid and escape the hells.

Catch-A-Ride Collect 10 personal vehicles.
10/10

The Painless Maze Complete E4M6: The Pain Maze on Nightmare without taking damage.

Discharge In deathmatch, electrocute an enemy in water without dying.

Slipgate Pacifist Complete E1M1: The Slipgate Complex on Nightmare without firing a shot.

The House of Doom Find the secret exit in Dimension of the Past.

You're not supposed to be here! Find the secret message in Tur Torment.

Nevermore Find the secret exit in Quake Episode 2: The Realm of Black Magic.

The Well of Wishes Find the Well of Wishes in the Crypt of Decay.

Vertical Vengeance Find the secret exit in Quake Episode 1: Dimension of the Doomed.

Big Ride Ride the train

Big Help Wear something on your hip

Big View Visit the map

Big Pack Wear a backpack

Big Walk Cross the drawbridge

Bloody Nightmare Found the Death Knight's head.

Disillusioned Complete Dawn of the Machine in single player.

Indigestion Defeat Shub-Niggurath in single player.

The Last Unexplored Path Complete Quake Episode 4: The Elder World in single player.

Into Sandy's City Find the secret exit in Quake Episode 4: The Elder World.