| Game | Achievement | Points | From | To | |
|---|---|---|---|---|---|
|
|
A Long Time Ago | 0.53 | 10/06/2024 00:00:00 | 10/06/2024 23:59:59 |
| Halo 4: Play a game of Halo 4 on the 6th of any month. | |||||
|
|
Remember Reach | 0.56 | 10/14/2024 00:00:00 | 10/14/2024 23:59:59 |
| Halo: Reach: Play a game of Halo: Reach on the 14th of any month. | |||||
|
|
Storyteller | 1.50 | 10/31/2024 00:00:00 | 10/31/2024 23:59:59 |
| Have 12 murderous dates with Calendar Man | |||||
|
|
Storyteller | 1.40 | 10/31/2024 00:00:00 | 10/31/2024 23:59:59 |
| Have 12 murderous dates with Calendar Man | |||||
|
|
Elder Signs | 1.35 | 10/31/2024 00:00:00 | 10/31/2024 23:59:59 |
| Halo 3: View 2 different sigils on Valhalla. | |||||
|
|
Destination Vacation | 1.30 | 10/31/2024 00:00:00 | 10/31/2024 23:59:59 |
| Halo 2: View one of the seasonal signs on Zanzibar in classic multiplayer. | |||||
|
|
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 | 1.07 | 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. | |||||
|
|
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 | 1.20 | 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 | 1.30 | 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. | |||||
|
|
Catch a Cold | 0.80 | 12/01/2024 00:00:00 | 12/31/2024 23:59:59 |
| Collect all ten snowflakes that appear in December before they melt | |||||
|
|
Christmas In Cairo | 1.36 | 12/10/2024 00:00:00 | 01/05/2025 23:59:59 |
| Decorate the Christmas tree. | |||||
|
|
Reindeer Hunter | 1.82 | 12/10/2024 00:00:00 | 01/05/2025 23:59:59 |
| Decorate the Christmas tree on each level to unlock Rodolfo player model. | |||||
|
|
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. | |||||
|
|
Tisn't the Season | 0.93 | 12/25/2024 00:00:00 | 12/26/2024 23:59:59 |
| Play Costume Quest on Christmas. | |||||
|
|
New Year's Resolution | 1.94 | 01/01/2025 00:00:00 | 01/01/2025 23:59:59 |
| Run Time Spy Extreme on January 1. | |||||
|
|
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... | |||||
|
|
Endless Day | 2.22 | 01/21/2025 00:00:00 | 01/25/2025 23:59:59 |
| …the galaxy as the Archivist, Emlek Tarosh, fulfills its duty. | |||||
|
|
Endless Day | 1.24 | 01/21/2025 00:00:00 | 01/25/2025 23:59:59 |
| ...in the ruins all across Auriga, and even throughout... | |||||
|
|
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… | |||||
|
|
Shoot for the Moon | 2.19 | 01/29/2025 00:00:00 | 01/29/2025 23:59:59 |
| Achieve a great score or better for your hardware during Lunar New Year. | |||||
|
|
Anno Day | 1.51 | 05/22/2025 00:00:00 | 05/22/2025 23:59:59 |
| Play on the 22nd of May. | |||||