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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.

601
Pest Control

Kill 100 Crawlers.

Rare
19.1%last reported global rate
602
Six Pedals, Four Directions

Halo 2: Drive a Scorpion while playing as the Arbiter.

Rare
19.3%last reported global rate
603
Training Wheels

Halo 3: Complete every level of the game on Easy difficulty.

Rare
19.4%last reported global rate
604
Uplift Reserve

H3: ODST: Complete Uplift Reserve.

Rare
19.6%last reported global rate
605
Listener

H3: ODST: Find the 1st Audio Log.

Rare
19.9%last reported global rate
606
Confused Callouts

Halo: Reach: Trigger a humorous callout on your HUD's position indicator.

Uncommon
20.0%last reported global rate
607
I Got This

Complete 100 missions or multiplayer games.

Uncommon
20.2%last reported global rate
608
Investigator

H3: ODST: Find the 2nd clue to unraveling the mystery.

Uncommon
20.2%last reported global rate
609
Uprising

Halo 2: Complete Uprising.

Uncommon
20.2%last reported global rate
610
Birth of a Spartan

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

Uncommon
20.4%last reported global rate
611
The Great Journey

Halo 2: Complete The Great Journey.

Uncommon
20.6%last reported global rate
612
High Charity

Halo 2: Complete High Charity.

Uncommon
20.7%last reported global rate
613
A Heap of Medals

Collect 4,000 campaign or playlist medals.

Uncommon
20.9%last reported global rate
614
Requiem

Halo 4: Complete Requiem.

Uncommon
21.3%last reported global rate
615
Tayari Plaza

H3: ODST: Complete Tayari Plaza.

Uncommon
21.3%last reported global rate
616
Tempered Blade

Win 10 multiplayer games.

Uncommon
21.5%last reported global rate
617
Gravemind

Halo 2: Complete Gravemind.

Uncommon
21.6%last reported global rate
618
Ripple Fire

Halo 2: Beat the par score on Metropolis.

Uncommon
21.6%last reported global rate
619
Quarantine Zone

Halo 2: Complete Quarantine Zone.

Uncommon
21.8%last reported global rate
620
The Key

Halo 3: Complete Cortana.

Uncommon
21.8%last reported global rate