| Game | Achievement | Points | From | To | |
|---|---|---|---|---|---|
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Cherry-Picked | 1.36 | 04/01/2024 00:00:00 | 04/30/2024 23:59:59 |
| Play the game in May 2019 to celebrate its Japanese release and the Hanami festival, or during April each year | |||||
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Back At It | 0.59 | 05/09/2024 00:00:00 | 05/09/2024 23:59:59 |
| Halo 2: Play a game of Halo 2 Anniversary on the 9th of any month. | |||||
|
|
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. | |||||
|
|
Storyteller | 1.40 | 07/04/2024 00:00:00 | 07/04/2024 23:59:59 |
| Have 12 murderous dates with Calendar Man | |||||
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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. | |||||
|
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Horrible nightmare | 0.93 | 10/31/2024 00:00:00 | 10/31/2024 23:59:59 |
| Where the hell is that 'any key'? | |||||
|
|
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. | |||||
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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. | |||||
|
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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. | |||||
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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. | |||||
|
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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. | |||||
|
|
Ho Ho Ho! | 0.70 | 12/24/2024 00:00:00 | 12/24/2024 23:59:59 |
| Catty Holidays! Happy Catidays! | |||||
|
|
Endless Day | 1.85 | 01/21/2025 00:00:00 | 01/25/2025 23:59:59 |
| On this day, Endless technology lights up and strange things appear... | |||||
|
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Endless Day | 2.24 | 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 | 1.20 | 01/21/2025 00:00:00 | 01/25/2025 23:59:59 |
| ...in the ruins all across Auriga, and even throughout... | |||||
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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… | |||||
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New Year Goodness | 1.07 | 01/29/2025 00:00:00 | 02/20/2025 23:59:59 |
| Play the game during its Chinese release in 2017, or during Chinese New Year celebrations each year | |||||