| Game | Achievement | Points | From | To | |
|---|---|---|---|---|---|
|
|
Third Time's A Charm | 0.47 | 11/25/2025 00:00:00 | 11/25/2025 23:59:59 |
| Halo 3: Play a game of Halo 3 on the 25th of any month. | |||||
|
|
A Long Time Ago | 0.52 | 12/06/2025 00:00:00 | 12/06/2025 23:59:59 |
| Halo 4: Play a game of Halo 4 on the 6th of any month. | |||||
|
|
Back At It | 0.58 | 12/09/2025 00:00:00 | 12/09/2025 23:59:59 |
| Halo 2: Play a game of Halo 2 Anniversary on the 9th of any month. | |||||
|
|
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. | |||||
|
|
Remember Reach | 0.56 | 12/14/2025 00:00:00 | 12/14/2025 23:59:59 |
| Halo: Reach: Play a game of Halo: Reach on the 14th of any month. | |||||
|
|
Xmayhem Terminator | 1.79 | 12/18/2025 00:00:00 | 01/07/2026 23:59:59 |
| Pick up The Gift to become the T-IM101 | |||||
|
|
Hasta La Vista, Baby! | 1.77 | 12/18/2025 00:00:00 | 01/07/2026 23:59:59 |
| Terminate the T-IM101 | |||||
|
|
Storyteller | 1.39 | 12/25/2025 00:00:00 | 12/25/2025 23:59:59 |
| Have 12 murderous dates with Calendar Man | |||||
|
|
Elder Signs | 1.34 | 12/25/2025 00:00:00 | 12/25/2025 23:59:59 |
| Halo 3: View 2 different sigils on Valhalla. | |||||
|
|
Destination Vacation | 1.29 | 12/25/2025 00:00:00 | 12/25/2025 23:59:59 |
| Halo 2: View one of the seasonal signs on Zanzibar in classic multiplayer. | |||||
|
|
New Year's Resolution | 1.87 | 01/01/2026 00:00:00 | 01/01/2026 23:59:59 |
| Run Time Spy Extreme on January 1. | |||||
|
|
Shoot for the Moon | 2.10 | 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. | |||||
|
|
Anno Day | 1.48 | 05/22/2026 00:00:00 | 05/22/2026 23:59:59 |
| Play on the 22nd of May. | |||||