Halo: The Master Chief Collection achievements

0.91%

Keep Your Foot on the Pedrogas

Halo: Reach: Complete all Halo: Reach Legendary campaign missions in under 3 hours.

0.91%

Look Out for the Little Guys

Halo CE: Complete Two Betrayals on Legendary difficulty without killing any Grunts.

0.91%

Trifecta

H3: ODST: Complete three Halo 3: ODST playlists.

0.93%

Domination

Earn a total of 100 Legendary medals in matchmade games.

0.93%

Bros to the Close

Halo 4: Complete Infinity without one preventable Marine death on Heroic or Legendary.

0.95%

Devotee

Halo 4: Complete three Halo 4 playlists.

0.97%

Easy As One Two Three

Halo 4: Beat the par time on all Halo 4 levels.

0.97%

Mortardom

Halo 4: On Reclaimer, use a Wraith to kill at least four enemy Wraiths on Heroic or Legendary.

0.99%

The True King

Earn a total of 250 KOTH Mode Specific medals in matchmade games.

1.02%

Overachiever

Halo CE: Beat the par score on all Halo: CE levels.

1.02%

Smooth Operator

Halo 4: Complete all Spartan Ops chapters solo on Legendary difficulty.

1.02%

The Marine Corps Gives Its Regards

H3: ODST: Beat par score on all Halo 3: ODST levels.