| Game | Achievement | Points | From | To | |
|---|---|---|---|---|---|
|
|
Third Time's A Charm | 0.47 | 06/25/2024 00:00:00 | 06/25/2024 23:59:59 |
| Halo 3: Play a game of Halo 3 on the 25th of any month. | |||||
|
|
Elder Signs | 1.36 | 07/04/2024 00:00:00 | 07/04/2024 23:59:59 |
| Halo 3: View 2 different sigils on Valhalla. | |||||
|
|
Pumpkin carver | 1.57 | 10/15/2024 00:00:00 | 10/31/2024 23:59:59 |
| Explode 15 pumpkins | |||||
|
|
Pumpkin blaster | 1.61 | 10/15/2024 00:00:00 | 10/31/2024 23:59:59 |
| Explode 50 pumpkins | |||||
|
|
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. | |||||
|
|
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. | |||||