| Game | Achievement | Points | From | To | |
|---|---|---|---|---|---|
|
|
Elder Signs | 1.36 | 04/22/2024 00:00:00 | 04/22/2024 23:59:59 |
| Halo 3: View 2 different sigils on Valhalla. | |||||
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Third Time's A Charm | 0.47 | 04/25/2024 00:00:00 | 04/25/2024 23:59:59 |
| Halo 3: Play a game of Halo 3 on the 25th of any month. | |||||
|
|
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. | |||||
|
|
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. | |||||
|
|
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. | |||||
|
|
Happy Halloween! | 1.00 | 10/31/2024 00:00:00 | 10/31/2024 23:59:59 |
| Play the Halloween version of the game. | |||||
|
|
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. | |||||
|
|
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. | |||||
|
|
Endless Day | 1.86 | 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 | 2.23 | 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… | |||||
|
|
Infectious | 1.48 | 02/18/2025 00:00:00 | 02/18/2025 23:59:59 |
| Win a game on Plague Inc.'s original release date | |||||