| Game | Achievement | Points | From | To | |
|---|---|---|---|---|---|
|
|
Back At It | 0.58 | 05/09/2025 00:00:00 | 05/09/2025 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 | 05/22/2025 00:00:00 | 05/22/2025 23:59:59 |
| H3: ODST: Play a game of Halo 3: ODST on the 22nd of any month. | |||||
|
|
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. | |||||
|
|
Elder Signs | 1.34 | 07/04/2025 00:00:00 | 07/04/2025 23:59:59 |
| Halo 3: View 2 different sigils on Valhalla. | |||||
|
|
Destination Vacation | 1.29 | 07/07/2025 00:00:00 | 07/07/2025 23:59:59 |
| Halo 2: View one of the seasonal signs on Zanzibar in classic multiplayer. | |||||
|
|
Pumpkin spiced SUPERHOT | 1.27 | 10/24/2025 00:00:00 | 11/07/2025 23:59:59 |
| Launch pumpkin spiced challenge between 24.10 & 7.11 | |||||
|
|
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. | |||||
|
|
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. | |||||
|
|
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. | |||||
|
|
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. | |||||
|
|
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. | |||||
|
|
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. | |||||
|
|
A Horrible Seventh Nightmare | 1.30 | 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. | |||||
|
|
Christmas In Cairo | 1.36 | 12/10/2025 00:00:00 | 01/05/2026 23:59:59 |
| Decorate the Christmas tree. | |||||
|
|
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. | |||||
|
|
New Year's Resolution | 1.89 | 01/01/2026 00:00:00 | 01/01/2026 23:59:59 |
| Run Time Spy Extreme on January 1. | |||||
|
|
Shoot for the Moon | 2.11 | 02/17/2026 00:00:00 | 02/17/2026 23:59:59 |
| Achieve a great score or better for your hardware during Lunar New Year. | |||||
|
|
Conquering the Newbie Zone | 1.48 | 04/01/2026 00:00:00 | 04/01/2026 23:59:59 |
| Finish the tutorial April Fool's Day ver | |||||