| Game | Achievement | Points | From | To | |
|---|---|---|---|---|---|
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Elder Signs | 1.36 | 05/05/2024 00:00:00 | 05/05/2024 23:59:59 |
| Halo 3: View 2 different sigils on Valhalla. | |||||
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Remember Reach | 0.56 | 05/14/2024 00:00:00 | 05/14/2024 23:59:59 |
| Halo: Reach: Play a game of Halo: Reach on the 14th of any month. | |||||
|
|
A Day To Remember | 0.57 | 05/15/2024 00:00:00 | 05/15/2024 23:59:59 |
| Halo CE: Play Halo: CE on the 15th of any month. | |||||
|
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Date with Daphne | 1.15 | 06/19/2024 00:00:00 | 06/19/2024 23:59:59 |
| Play Dragon's Lair on its Anniversary: June 19 | |||||
|
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Storyteller | 1.50 | 07/04/2024 00:00:00 | 07/04/2024 23:59:59 |
| Have 12 murderous dates with Calendar Man | |||||
|
|
Storyteller | 1.40 | 07/04/2024 00:00:00 | 07/04/2024 23:59:59 |
| Have 12 murderous dates with Calendar Man | |||||
|
|
Destination Vacation | 1.31 | 07/07/2024 00:00:00 | 07/07/2024 23:59:59 |
| Halo 2: View one of the seasonal signs on Zanzibar in classic multiplayer. | |||||
|
|
Halloween | 0.74 | 10/31/2024 00:00:00 | 10/31/2024 23:59:59 |
| Finish the game on Halloween | |||||
|
|
Cheerful Child | 1.02 | 10/31/2024 00:00:00 | 11/04/2024 23:59:59 |
| In the Safe House Nightmare job find the correct baby mask on the Normal difficulty. Unlocks the "Happy Baby" mask. | |||||
|
|
Gilliam's Sweet Little Baby | 1.04 | 10/31/2024 00:00:00 | 11/04/2024 23:59:59 |
| In the Safe House Nightmare job find the correct baby mask on the Hard difficulty. Unlocks the "Brazil Baby" mask. | |||||
|
|
Temper Tantrum | 1.06 | 10/31/2024 00:00:00 | 11/04/2024 23:59:59 |
| In the Safe House Nightmare job find the correct baby mask on the Very Hard difficulty. Unlocks the "Angry Baby" mask. | |||||
|
|
Water Works | 1.08 | 10/31/2024 00:00:00 | 11/04/2024 23:59:59 |
| In the Safe House Nightmare job find the correct baby mask on the OVERKILL difficulty. Unlocks the "Cry Baby" mask. | |||||
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Sixth Nightmare | 1.08 | 10/31/2024 00:00:00 | 11/04/2024 23:59:59 |
| Complete the Safe House Nightmare job on the Death Wish difficulty or above. | |||||
|
|
Fifth Nightmare | 1.21 | 10/31/2024 00:00:00 | 11/04/2024 23:59:59 |
| Complete the Safe House Nightmare job on the Mayhem difficulty or above. | |||||
|
|
A Horrible Seventh Nightmare | 1.31 | 10/31/2024 00:00:00 | 11/04/2024 23:59:59 |
| Complete the Safe House Nightmare job on the Death Sentence difficulty with the One Down mechanic activated. | |||||
|
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Christmas In Cairo | 1.36 | 12/10/2024 00:00:00 | 01/05/2025 23:59:59 |
| Decorate the Christmas tree. | |||||
|
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Reindeer Hunter | 1.83 | 12/10/2024 00:00:00 | 01/05/2025 23:59:59 |
| Decorate the Christmas tree on each level to unlock Rodolfo player model. | |||||
|
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Xmayhem Terminator | 1.80 | 12/18/2024 00:00:00 | 01/07/2025 23:59:59 |
| Pick up The Gift to become the T-IM101 | |||||
|
|
Hasta La Vista, Baby! | 1.77 | 12/18/2024 00:00:00 | 01/07/2025 23:59:59 |
| Terminate the T-IM101 | |||||
|
|
DISAPPOINTING PRESENTS | 0.87 | 12/19/2024 00:00:00 | 01/08/2025 23:59:59 |
| Defeated 1 Xmas Ultrayeti | |||||
|
|
UNDERCOOKED TURKEY | 1.03 | 12/19/2024 00:00:00 | 01/08/2025 23:59:59 |
| Defeated 2 Xmas Ultrayetis | |||||
|
|
NO-ONE LIKES XMAS PUDDING | 1.11 | 12/19/2024 00:00:00 | 01/08/2025 23:59:59 |
| Defeated 3 Xmas Ultrayetis | |||||
|
|
SPROUT FLATULENCE | 1.19 | 12/19/2024 00:00:00 | 01/08/2025 23:59:59 |
| Defeated 4 Xmas Ultrayetis | |||||
|
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DRUNKEN FAMILY ARGUMENT | 0.75 | 12/19/2024 00:00:00 | 01/08/2025 23:59:59 |
| Hurrah! Christmas is finally over! | |||||
|
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Christmas Shopping | 1.46 | 12/25/2024 00:00:00 | 12/25/2024 23:59:59 |
| Buy an item from the Camp Store on Christmas. | |||||
|
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Tisn't the Season | 0.93 | 12/25/2024 00:00:00 | 12/26/2024 23:59:59 |
| Play Costume Quest on Christmas. | |||||
|
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Endless Day | 2.23 | 01/21/2025 00:00:00 | 01/25/2025 23:59:59 |
| …the galaxy as the Archivist, Emlek Tarosh, fulfills its duty. | |||||
|
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Endless Day | 1.86 | 01/21/2025 00:00:00 | 01/25/2025 23:59:59 |
| You have unlocked the Endless archivist; the being that watches the watchers… | |||||
|
|
Time Capsule | 0.74 | 01/01/2063 00:00:00 | 12/31/2063 23:59:59 |
| Feeling nostalgic | |||||