The Key Achievement for Halo: The Master Chief Collection

The Key Achievement

Icon for The Key

The Key

Halo 3: Complete Cortana.
10.37% of players have unlocked this achievement

10

Guides

We have no guides for this achievement.

Players

Wolf1969

Earned on: Jun 30th 2025, 7:57:28 am

scarefaceSG1

Earned on: Apr 12th 2025, 9:51:10 pm

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m0nk3y spanker

Earned on: Aug 29th 2022, 12:09:47 pm

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Funkyboy K

Earned on: Feb 28th 2022, 11:14:16 am

BAZ1010

Earned on: Aug 6th 2021, 9:21:46 pm

kingrisen

Earned on: Jul 26th 2020, 9:01:34 pm

steezus8392

Earned on: Jul 21st 2020, 7:44:54 pm

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Wrathofzar

Earned on: May 30th 2020, 8:28:31 pm

ImSwelly

Earned on: Jan 30th 2019, 7:46:10 am

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LikeTrade

Earned on: Nov 27th 2018, 5:15:55 am

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AlmightySparrow

Earned on: Sep 2nd 2018, 1:42:12 am

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Koding

Earned on: Jan 24th 2018, 9:57:40 pm

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Datoon RUS

Earned on: Sep 17th 2017, 1:06:15 pm

IronDrago5569

Earned on: Jul 17th 2017, 4:39:42 pm

SULADAN8999

Earned on: May 15th 2017, 6:37:59 pm

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ZX KNIGHT

Earned on: May 12th 2017, 11:16:26 pm

KURSED SOULS

Earned on: Mar 21st 2016, 7:34:37 pm

RobertCar X2000

Earned on: Jan 8th 2016, 3:20:55 am

Jordiston

Earned on: Jan 2nd 2016, 2:36:58 am

Kakurine

Earned on: Oct 18th 2015, 6:57:41 pm