Need help getting an achievement? Maybe reading this would help you.
Campaign:
Dawn:
Just complete the level on Normal difficulty.
Requiem:
Just complete the level on Normal difficulty.
Forerunner:
Just complete the level on Normal difficulty.
Infinity:
Just complete the level on Normal difficulty.
Reclaimer:
Just complete the level on Normal difficulty.
Shutdown:
Just complete the level on Normal difficulty.
Composer:
Just complete the level on Normal difficulty.
Midnight:
Just complete the level on Normal difficulty.
Wake Up, John:
Complete the campaign on Normal difficulty
I Need a Hero:
Complete the campaign on Heroic difficulty
Tips:
Since you completed the Campaign on Normal difficulty, you could start the level at the latest rally point and the game will think that you did the whole level.
The Legend of 117:
Complete the campaign on Legendary difficulty
Tips:
Since you completed the Campaign on Normal difficulty, you could start the level at the latest rally point and the game will think that you did the whole level.
Lone Wolf Legend:
Complete the campaign on Legendary difficulty solo
Tips:
Since you completed the Campaign on Heroic difficulty, you could start the level at the latest rally point and the game will think that you did the whole level.
Skullduggery:
Complete any Campaign mission with 3 or more Skulls on Heroic or harder.
Tips:
Play Dawn on Heroic mode with the skulls Grunt Birthday Party, IWHBYD, and Tough Luck
Bropocalypse:
Complete any Campaign mission cooperatively on Heroic or harder.
Contact the Domain:
Find a terminal in the campaign.
Tips:
Chapter: Requiem
Location:
At the third and final part of the mission, you’ll be faced with a large tower.
Before trying to go up, take out two of the armored Hunters (the massive Covenant with shields) and look for a main ramp leading up to the central tower’s elevator shaft.
Look underneath the transparent ramp to find the first terminal.
Terminus:
Find all terminals in the campaign.
Tips:
Terminal 1:
Chapter: Requiem
Location:
At the third and final part of the mission, you’ll be faced with a large tower.
Before trying to go up, take out two of the armored Hunters (the massive Covenant with shields) and look for a main ramp leading up to the central tower’s elevator shaft.
Look underneath the transparent ramp to find the first terminal.
Terminal 2:
Chapter: Forerunner
Location:
After Master Chief’s screen flickers on his search for the first of two objectives right at the beginning of the mission, Cortana will mention a “distortion”.
The terminal is just ahead, at the ground floor of the central Promethean building. It’s just below a circular metallic awning.
Terminal 3:
Chapter: Infinity
Location:
An easy to miss terminal, this one is found after meeting up with allied soldiers.
You’ll get a cutscene after the checkpoint with the UNSC troops. After the scene ends, immediately turn around to find the terminal.
Terminal 4:
Chapter: Reclaimer
Location:
After getting Cortana back, you’ll be instructed to escape via an elevator.
Don’t get onto the elevator quite yet. Just as you enter the hall leading to the lift, look right for an optional path.
Follow the right path and you’ll find the fourth terminal.
Terminal 5:
Chapter: Shutdown
Location:
In this mission, you’ll fly a Pelican to multiple locations. Eventually, you’ll reach a third tower and be ordered to reach the control room.
Take the lift up, and you’ll have to continue across the energy bridges toward your objective. Once you run into two dangerous Hunters, backtrack across the energy bridge you just crossed and look for another optional platform off the main path.
This is near the end of the sequence, if you don’t want to face the Hunters, just turn left instead of right once you get a new objective waypoint.
At the back end of the room, circle around to the back of the structure to find the terminal.
Terminal 6:
Chapter: Composer
Location:
After an encounter with two Hunters, you’ll eventually reach a long cutscene with the Dr. Tillson.
Once the scene ends, look ahead for a structure labeled “Atrium” ahead of the objective. Look underneath the structure, between some rocky outcroppings, to get your hands on another terminal.
Terminal 7:
Chapter: Midnight
Location:
The last terminal is found during a grueling fight against the Prometheans. After crash-landing on the enemy ship, you’ll have to fight Prometheans through several chambers.
After passing through three rooms (or upon entering the fourth room, however you want to interpret it) you’ll be able to find the last terminal hidden after circling around to the back end of the main pillar of the room.
Digging up the Past
Find and access Chief’s records in mission 1.
Tips:
Right after talking to Cortana in the beginning of the level, go into the next room and look to you right. You will see a staircase. Go down the staircase and you will see a lab entry terminal. Go next to it and active it and you will get the achievement.
Midnight Launch:
Get significant air in the Warthog at midnight in mission 2.
Tips:
To do this mysterious achievement, you must disconnect from xbox live do time does not update. You have to change your time to 11:54PM
Midnight Launch:
Get significant air in the Warthog at midnight in mission 2.
Tips:
To do this mysterious achievement, you must disconnect from xbox live do time does not update. You have to change your time to 11:54PM. Go to Halo 4 and play the beginning of the level Requiem. You must do this in 6 minutes before it turns 12:00AM. Go trough the level and get your warthog. Drive good and you should be able to make a good jump on the 2nd last ramp. If you do jump far enough on the 2nd last ramp in time, you will get the achievement Midnight Launch.
This is my Rifle, This is my Gun:
Carry a UNSC weapon all the way through mission 3 on Heroic or harder.
Tips:
You should carry the magnum. Picking up a scattershot will be useful. If doing this co-op, put Iron skull on.
There is not that much characters left so I’m going to have to make a Part 2, hope this helped!