Halo: The Master Chief Collection achievements

2.52%

Longshore Skull

Halo 3: Find the hidden Skull on the Longshore multilayer map.

2.53%

Scout

H3: ODST: Find the 21st Audio Log.

2.53%

Bloody Thirsty!

Halo 2A MP: Found and destroyed the BLAST soda can on Bloodline.

2.53%

Assembly Skull

Halo 3: Find the hidden Skull on the Assembly multiplayer map.

2.53%

Witch Doctor

Halo 3: Find and claim all Skulls in Halo 3.

2.53%

Info Dump

Halo: Reach: Find Data Pad 6 on Exodus.

2.55%

Haplorrhini

Halo 3: Find a lonely missing link.

2.55%

Why So Serious

Halo 2: View the smiling face in the classic multiplayer map Coagulation.

2.55%

They've Always Been Faster

Halo: Reach: Clear Winter Contingency without setting foot in a drivable vehicle.

2.55%

Winter Urgency

Halo: Reach: Beat the par time on Winter Contingency.

2.55%

Terminal Conditions

Halo: Reach: Find Data Pad 8 on The Package.

2.57%

High Altitude Thirst!

Halo 2A MP: Found and destroyed the BLAST soda can on Zenith.