| Game | Achievement | Points | From | To | |
|---|---|---|---|---|---|
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A Long Time Ago | 0.52 | 06/06/2025 00:00:00 | 06/06/2025 23:59:59 |
| Halo 4: Play a game of Halo 4 on the 6th of any month. | |||||
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Remember Reach | 0.56 | 06/14/2025 00:00:00 | 06/14/2025 23:59:59 |
| Halo: Reach: Play a game of Halo: Reach on the 14th of any month. | |||||
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A Day To Remember | 0.57 | 06/15/2025 00:00:00 | 06/15/2025 23:59:59 |
| Halo CE: Play Halo: CE on the 15th of any month. | |||||
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Third Time's A Charm | 0.47 | 06/25/2025 00:00:00 | 06/25/2025 23:59:59 |
| Halo 3: Play a game of Halo 3 on the 25th of any month. | |||||
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Storyteller | 1.39 | 07/04/2025 00:00:00 | 07/04/2025 23:59:59 |
| Have 12 murderous dates with Calendar Man | |||||
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Elder Signs | 1.34 | 07/04/2025 00:00:00 | 07/04/2025 23:59:59 |
| Halo 3: View 2 different sigils on Valhalla. | |||||
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Vintage Scares | 2.62 | 10/23/2025 00:00:00 | 10/31/2025 23:59:59 |
| Visit Heavenly Toys during Ink Demon's Eve | |||||
|
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Trick or Treat | 1.72 | 10/31/2025 00:00:00 | 10/31/2025 23:59:59 |
| Add insult to injury by winning a network race on Halloween, Grim’s favourite day of the year. | |||||
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Cheerful Child | 1.02 | 10/31/2025 00:00:00 | 11/04/2025 23:59:59 |
| In the Safe House Nightmare job find the correct baby mask on the Normal difficulty. Unlocks the "Happy Baby" mask. | |||||
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Gilliam's Sweet Little Baby | 1.04 | 10/31/2025 00:00:00 | 11/04/2025 23:59:59 |
| In the Safe House Nightmare job find the correct baby mask on the Hard difficulty. Unlocks the "Brazil Baby" mask. | |||||
|
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Temper Tantrum | 1.06 | 10/31/2025 00:00:00 | 11/04/2025 23:59:59 |
| In the Safe House Nightmare job find the correct baby mask on the Very Hard difficulty. Unlocks the "Angry Baby" mask. | |||||
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Water Works | 1.07 | 10/31/2025 00:00:00 | 11/04/2025 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 | 10/31/2025 00:00:00 | 11/04/2025 23:59:59 |
| Complete the Safe House Nightmare job on the Death Wish difficulty or above. | |||||
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Fifth Nightmare | 1.20 | 10/31/2025 00:00:00 | 11/04/2025 23:59:59 |
| Complete the Safe House Nightmare job on the Mayhem difficulty or above. | |||||
|
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A Horrible Seventh Nightmare | 1.29 | 10/31/2025 00:00:00 | 11/04/2025 23:59:59 |
| Complete the Safe House Nightmare job on the Death Sentence difficulty with the One Down mechanic activated. | |||||
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Snowblind | 1.00 | 12/01/2025 00:00:00 | 12/31/2025 23:59:59 |
| Find the six hidden switches in the snow-covered levels in December | |||||
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Santa's Little Helper | 1.27 | 12/01/2025 00:00:00 | 12/31/2025 23:59:59 |
| Deliver all presents in the eight levels when they are touched by frost in December | |||||
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Catch a Cold | 0.80 | 12/01/2025 00:00:00 | 12/31/2025 23:59:59 |
| Collect all ten snowflakes that appear in December before they melt | |||||
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Christmas In Cairo | 1.36 | 12/10/2025 00:00:00 | 01/05/2026 23:59:59 |
| Decorate the Christmas tree. | |||||
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Reindeer Hunter | 1.81 | 12/10/2025 00:00:00 | 01/05/2026 23:59:59 |
| Decorate the Christmas tree on each level to unlock Rodolfo player model. | |||||
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Ho ho ho! | 1.46 | 12/24/2025 00:00:00 | 12/24/2025 23:59:59 |
| Try entering from the chimney on December 24th | |||||
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Christmas Shopping | 1.45 | 12/25/2025 00:00:00 | 12/25/2025 23:59:59 |
| Buy an item from the Camp Store on Christmas. | |||||
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Christmas Truce? | 1.72 | 12/25/2025 00:00:00 | 12/25/2025 23:59:59 |
| Not a chance, take out your opponents and win a network race on Christmas day. | |||||
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Endless Day | 2.19 | 01/21/2026 00:00:00 | 01/25/2026 23:59:59 |
| …the galaxy as the Archivist, Emlek Tarosh, fulfills its duty. | |||||
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Endless Day | 1.26 | 01/21/2026 00:00:00 | 01/25/2026 23:59:59 |
| ...in the ruins all across Auriga, and even throughout... | |||||
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You Old Romantic | 1.74 | 02/14/2026 00:00:00 | 02/14/2026 23:59:59 |
| Win a network race on Valentine’s Day and dedicate this achievement to that special someone. | |||||