Back to Halo: The Master Chief Collection
Steam

Halo: The Master Chief Collection Achievements

Official Steam achievement definitions and latest reported global unlock rates, ordered from rarest to most common.

Total achievements700
Rarest rate0.500%
Ultra rare56
Last checkedSep 28, 2026
Delayed official data

Rates and award counts were last observed on Sep 28, 2026.

421
Living Legend

Halo CE: Complete every level of the game on Legendary difficulty.

Rare
5.30%last reported global rate
422
War

Halo 4: Activate Terminal 1 on Requiem.

Rare
5.30%last reported global rate
423
Cold Fusion

Halo 2A MP: Kill an opponent by detonating a Fusion Coil.

Rare
5.40%last reported global rate
424
Taste Test

Halo 4: Complete a match on at least 4 different game types in multiplayer.

Rare
5.40%last reported global rate
425
Witching Hour

Halo 4: Beat the par score on Midnight.

Rare
5.40%last reported global rate
426
Bits and Pieces

H3: ODST: Destroy 5 Phantoms on NMPD HQ.

Rare
5.50%last reported global rate
427
Do You Remember When We Met

H3: ODST: Play a game of Halo 3: ODST on the 22nd of any month.

Rare
5.50%last reported global rate
428
Does Whatever a Spartan Can?

H3: ODST: Destroy a Wraith…with your bare hands.

Rare
5.50%last reported global rate
429
Double Trouble

Earn a total of 250 Double Kill medals in matchmade games.

Rare
5.50%last reported global rate
430
Long Time Fan

Complete 450 missions or multiplayer games.

Rare
5.60%last reported global rate
431
Tank Beats Everything

Halo: Reach: Finish The Package on Legendary with the Scorpion intact.

Rare
5.60%last reported global rate
432
Checkmate

Kill 100 Watchers.

Rare
5.70%last reported global rate
433
Fists of Fury

Halo 2: Beat the par score on Regret.

Rare
5.70%last reported global rate
434
Hang Onto My Words

H3: ODST: Find the 11th Audio Log.

Rare
5.70%last reported global rate
435
Librarian's Pet

Halo 4: Beat the par score on Reclaimer.

Rare
5.70%last reported global rate
436
Skulltaker Halo 3: Grunt Birthday Party

Halo 3: Find and claim the Grunt Birthday Party Skull on Normal or harder.

Rare
5.70%last reported global rate
437
I Need a Hero

Halo 4: Complete every level of the game on Heroic difficulty.

Rare
5.80%last reported global rate
438
MVP

Halo 2A MP: Finished as the top player on the winning team in a matchmade game.

Rare
5.90%last reported global rate
439
Skulltaker Halo: CE: Iron

Halo CE: Find and claim the Iron skull in remastered mode.

Rare
5.90%last reported global rate
440
Don't Strain Your Metaphors

H3: ODST: Beat the par score on Uplift Reserve.

Rare
6.00%last reported global rate