| Game | Achievement | Points | From | To | |
|---|---|---|---|---|---|
|
|
Back At It | 0.57 | 10/09/2026 00:00:00 | 10/09/2026 23:59:59 |
| Halo 2: Play a game of Halo 2 Anniversary on the 9th of any month. | |||||
|
|
Do You Remember When We Met | 0.53 | 10/22/2026 00:00:00 | 10/22/2026 23:59:59 |
| H3: ODST: Play a game of Halo 3: ODST on the 22nd of any month. | |||||
|
|
Third Time's A Charm | 0.47 | 10/25/2026 00:00:00 | 10/25/2026 23:59:59 |
| Halo 3: Play a game of Halo 3 on the 25th of any month. | |||||
|
|
Elder Signs | 1.34 | 10/31/2026 00:00:00 | 10/31/2026 23:59:59 |
| Halo 3: View 2 different sigils on Valhalla. | |||||
|
|
Destination Vacation | 1.28 | 10/31/2026 00:00:00 | 10/31/2026 23:59:59 |
| Halo 2: View one of the seasonal signs on Zanzibar in classic multiplayer. | |||||
|
|
Cheerful Child | 1.02 | 10/31/2026 00:00:00 | 11/04/2026 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 | 10/31/2026 00:00:00 | 11/04/2026 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 | 10/31/2026 00:00:00 | 11/04/2026 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 | 10/31/2026 00:00:00 | 11/04/2026 23:59:59 |
| In the Safe House Nightmare job find the correct baby mask on the OVERKILL difficulty. Unlocks the "Cry Baby" mask. | |||||
|
|
Sixth Nightmare | 1.08 | 10/31/2026 00:00:00 | 11/04/2026 23:59:59 |
| Complete the Safe House Nightmare job on the Death Wish difficulty or above. | |||||
|
|
Fifth Nightmare | 1.19 | 10/31/2026 00:00:00 | 11/04/2026 23:59:59 |
| Complete the Safe House Nightmare job on the Mayhem difficulty or above. | |||||
|
|
A Horrible Seventh Nightmare | 1.29 | 10/31/2026 00:00:00 | 11/04/2026 23:59:59 |
| Complete the Safe House Nightmare job on the Death Sentence difficulty with the One Down mechanic activated. | |||||
|
|
A Long Time Ago | 0.52 | 11/06/2026 00:00:00 | 11/06/2026 23:59:59 |
| Halo 4: Play a game of Halo 4 on the 6th of any month. | |||||
|
|
Thanksgiving | 0.99 | 11/23/2026 00:00:00 | 11/29/2026 23:59:59 |
| You played the Thanksgiving levels | |||||
|
|
Endless Day | 2.18 | 01/21/2027 00:00:00 | 01/25/2027 23:59:59 |
| …the galaxy as the Archivist, Emlek Tarosh, fulfills its duty. | |||||
|
|
Endless Day | 1.31 | 01/21/2027 00:00:00 | 01/25/2027 23:59:59 |
| ...in the ruins all across Auriga, and even throughout... | |||||
|
|
Endless Day | 1.85 | 01/21/2027 00:00:00 | 01/25/2027 23:59:59 |
| You have unlocked the Endless archivist; the being that watches the watchers… | |||||