[ACHIEVEMENTS] Halo 4

Halo 4 [50 Achievements/1,000 Gamerscore]

(Achievements Could Contain Spoilers) Source

Dawn [10]
Complete Mission 1 on any difficulty.

Requiem [10]
Complete Mission 2 on any difficulty.

Forerunner [10]
Complete Mission 3 on any difficulty.

Infinity [10]
Complete Mission 4 on any difficulty.

Reclaimer [10]
Complete Mission 5 on any difficulty.

Shutdown [10]
Complete Mission 6 on any difficulty.

Composer [10]
Complete Mission 7 on any difficulty.

Midnight [10]
Complete Mission 8 on any difficulty.

Wake up John [20]
Complete the Campaign on Normal or harder.

I Need a Hero [40]
Complete the Campaign on Heroic or harder.

The Legend of 117 [70]
Complete the Campaign on Legendary difficulty.

Lone Wolf Legend [90]
Complete the Campaign solo on Legendary difficulty.

Skullduggery [15]
Complete any Campaign mission with 3 or more Skulls on Heroic or harder.

Bropocalypse [10]
Complete any Campaign mission co-operatively on Heroic or harder.

Bromageddon [40]
Complete the Campaign co-operatively on Heroic or harder.

Contact the Domain [10]
Find a Terminal in the Campaign.

Terminus [50]
Find all of the Terminals in the Campaign.

Digging up the Past [20]
In Mission 1, find and access Chief’s record.

Midnight Launch [20]
In Mission 2, get significant air in the Warthog at midnight.

This is my Rifle, this is my Gun [20]
In Mission 3, carry a UNSC weapon all the way through on Heroic or harder.

Bros to the Close [20]
Make it through Mission 4 without one preventable Marine death on Heroic or harder.

Mortardom [20]
In Mission 5, hijack a Wraith and use it to kill at least four enemy Wraiths on Heroic or harder.

Explore the Floor [20]
In Mission 6, trick or force a Hunter to fall to his demise.

Give Him the Stick [20]
In Mission 7 in solo Campaign, take out both Hunters using only the Sticky Detonator.

Chief, Smash! [20]
In Mission 8, kill 3 Crawlers in one hit with the Gravity Hammer.

Not Some Recruit Anymore [15]
Rank up your Spartan-IV to SR-5.

Movin’ on Up [30]
Rank up your Spartan-IV to SR-20.

I ❤ Red Vs. Blue  [10]
Win 5 War Games matchmaking matches.

The Dongblainer [30]
Win 20 War Games matchmaking matches.

Operation Completion [15]
Complete a Spartan Ops Mission on any difficulty.

A Legendary Episode [40]
Complete all chapters in Spartan Ops Episode 1 on Legendary difficulty.

Dedicated to Crimson [80]
Complete all chapters in the first 5 episodes of Spartan Ops on any difficulty.

Crimson Alone [20]
Complete a Spartan Ops chapter solo on Legendary.

Roses vs Violets [20]
Find one of the RvB Easter Eggs in Spartan Ops.

Rescue Ranger [20]
Save at least one Marine in Chapter 3 of Episode 2 of Spartan Ops on Heroic or harder.

Knight in White Assassination [20]
Assassinate a Knight in any Spartan Ops mission.

What Power Outage? [20]
Complete Chapter 4, Episode 5 of Spartan Ops without losing a generator on Heroic or harder.

No Easy Way Out [20]
In Ch 1, Ep 5 of Spartan Ops survive all enemy waves during the defense on Normal or harder.

The Challenged [10]
Complete a Challenge.

The Challenger [20]
Complete 25 Challenges.

Armorer [5]
Change your Spartan’s armor in the Spartan Armor card.

Badge [5]
Change your Emblem in the Spartan ID card.

PWND [5]
Change your Service Tag in the Spartan ID card.

What a Poser! [5]
Change your Spartan’s pose in the Spartan ID card.

The Cartographer [5]
Create and save a Custom Map in Forge.

Game Changer [5]
Create and save a Custom Game type in War Games.

Snapshot! [5]
Save a Screenshot from the Theater.

The Director [5]
Save a Film Clip from the Theater.

Sharing is Caring [5]
Upload a File to your File Share.