The Halo: Combat Evolved Anniversary Add-on for Halo: The Master Chief Collection has 95 achievements.
Halo CE: Activate Terminal 2 on Halo.
Halo CE: Beat the par score on The Pillar of Autumn.
Halo CE: Complete any level on Heroic difficulty or higher without taking health damage.
Halo CE: Complete every level of the game on Easy difficulty.
Halo CE: Complete The Maw.
Halo CE: Complete every level of the game on Normal difficulty.
Halo CE: Complete Keyes.
Halo CE: Complete Two Betrayals.
Halo CE: Complete The Library.
Halo CE: Play Halo: CE on the 15th of any month.
Halo CE: Complete 343 Guilty Spark.
Halo CE: Kill a Hunter with one pistol round.
Halo CE: Complete The Pillar of Autumn.
Halo CE: Complete Halo.
Halo CE: Beat the par time on The Pillar of Autumn.
Halo CE: Complete Assault on the Control Room.
Halo CE: Complete The Silent Cartographer.
Halo CE: Complete a match on at least 8 different classic multiplayer maps.
Halo CE: Complete The Truth and Reconciliation.
Halo CE: Beat the par time on The Truth and Reconciliation.
Halo CE: Fight alongside Chips Dubbo and listen to his words of wisdom.
Halo CE: Beat the par time on Halo.
Halo CE: Beat the par time on The Silent Cartographer.
Halo CE: Beat the par time on Assault on the Control Room.
Halo CE: Beat the par time on 343 Guilty Spark.
Halo CE: Beat the par time on The Library.
Halo CE: Beat the par time on Two Betrayals.
Halo CE: Beat the par time on Keyes.
Halo CE: Beat the par time on The Maw.
Halo CE: Beat par time on all Halo: CE levels.
Halo CE: Beat the par score on Halo.
Halo CE: Beat the par score on The Truth and Reconciliation.
Halo CE: Beat the par score on The Silent Cartographer.
Halo CE: Beat the par score on Assault on the Control Room.
Halo CE: Beat the par score on 343 Guilty Spark.
Halo CE: Beat the par score on The Library.
Halo CE: Beat the par score on Two Betrayals.
Halo CE: Beat the par score on Keyes.
Halo CE: Beat the par score on The Maw.
Halo CE: Beat the par score on all Halo: CE levels.
Halo CE: Activate Terminal 1 on The Pillar of Autumn.
Halo CE: Activate Terminal 3 on The Truth and Reconciliation.
Halo CE: Activate Terminal 4 on The Silent Cartographer.
Halo CE: Activate Terminal 5 on Assault on the Control Room.
Halo CE: Activate Terminal 6 on 343 Guilty Spark.
Halo CE: Activate Terminal 7 on The Library.
Halo CE: Activate Terminal 8 on Two Betrayals.
Halo CE: Activate Terminal 9 on Keyes.
Halo CE: Activate Terminal 10 on The Maw.
Halo CE: Activate all Halo: CE Terminals.
Halo CE: Find and claim the Iron skull in remastered mode.
Halo CE: Find and claim the Mythic skull in remastered mode.
Halo CE: Find and claim the Boom skull in remastered mode.
Halo CE: Find and claim the Foreign skull in remastered mode.
Halo CE: Find and claim the Famine skull in remastered mode.
Halo CE: Find and claim the Bandanna skull in remastered mode.
Halo CE: Find and claim the Fog skull in remastered mode.
Halo CE: Find and claim the Malfunction skull in remastered mode.
Halo CE: Find and claim the Recession skull in remastered mode.
Halo CE: Find and claim the Black Eye skull in remastered mode.
Halo CE: Find and claim the Eye Patch skull in remastered mode.
Halo CE: Find and claim the Pinata skull in remastered mode.
Halo CE: Find and claim the Grunt Birthday Party skull in remastered mode.
Halo CE: Find and claim all Skulls in Halo: CE.
Halo CE: Complete every level of the game on Heroic difficulty.
Halo CE: Complete every level of the game on Legendary difficulty.
Halo CE: Complete the level The Pillar of Autumn on Legendary without picking up an overshield.
Halo CE: Complete The Pillar of Autumn on Legendary without picking up a health kit.
Halo CE: Complete Halo without entering a vehicle.
Halo CE: Complete The Library on Heroic or Legendary difficulty without dying.
Halo CE: Complete Two Betrayals on Legendary difficulty without killing any Grunts.
Halo CE: Complete Two Betrayals on Legendary difficulty without picking up a new weapon.
Halo CE: Kill every Elite on the level Keyes on Heroic or Legendary difficulty.
Halo CE: Complete a Halo: CE playlist.
Halo CE: Complete three Halo: CE playlists.
Halo CE: Complete the Halo: CE LASO Campaign playlist.
Halo CE: Trigger a hidden music cue in Halo: CE.
Halo CE: Disapprovingly look at Captain Keyes' abandoned pipe.
Halo CE: Find the hidden Rex sign on The Maw.
Halo CE: Listen to the Thirsty Grunt talk about his eating habits.
Halo CE: It's a sign.
Halo CE: Ride in a Pelican for several seconds on the level 343 Guilty Spark.
Halo CE: Complete a level without jumping.
Halo CE: Complete every level of the game having seen it in both classic and remastered mode.
Halo CE: Halo CE: Complete all Halo: CE Legendary campaign missions in under 3 hours.
Halo CE: Play a CTF custom game on Blood Gulch with 4 players on the same console. Tri-tip optional.
Halo CE: Finish The Silent Cartographer without shooting, grenades, melee, dying or restarting.
Halo CE: Destroy four Wraith tanks in Assault on the Control Room with the Scorpion tank.
Halo CE: Complete The Truth and Reconciliation with at least four rounds left in your Sniper Rifle.
Halo CE: Complete the Warthog ride of The Maw without being forcibly ejected from your vehicle.
Halo CE: Kill the first group of enemies on The Truth and Reconciliation without being detected.
Halo CE: Storm The Silent Cartographer beach with no Marine casualties on Heroic or Legendary.
Halo CE: Destroy three of the four Banshees on Halo during a single play-through.
Halo CE: Launch a Warthog for at least 5 seconds and have it splatter an enemy.
Halo CE: Complete a match on at least 4 unique game types.