| Game | Achievement | Points | From | To | |
|---|---|---|---|---|---|
|
|
Back At It | 0.58 | 06/09/2025 00:00:00 | 06/09/2025 23:59:59 |
| Halo 2: Play a game of Halo 2 Anniversary on the 9th of any month. | |||||
|
|
Remember Reach | 0.56 | 06/14/2025 00:00:00 | 06/14/2025 23:59:59 |
| Halo: Reach: Play a game of Halo: Reach on the 14th of any month. | |||||
|
|
A Day To Remember | 0.57 | 06/15/2025 00:00:00 | 06/15/2025 23:59:59 |
| Halo CE: Play Halo: CE on the 15th of any month. | |||||
|
|
Do You Remember When We Met | 0.53 | 06/22/2025 00:00:00 | 06/22/2025 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 | 06/25/2025 00:00:00 | 06/25/2025 23:59:59 |
| Halo 3: Play a game of Halo 3 on the 25th 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. | |||||
|
|
Happy Halloween! | 0.99 | 10/31/2025 00:00:00 | 10/31/2025 23:59:59 |
| Play the Halloween version of the game. | |||||
|
|
A Horrible Seventh Nightmare | 1.29 | 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. | |||||
|
|
Happy Birthday Pixel! | 1.35 | 04/29/2026 00:00:00 | 04/29/2026 23:59:59 |
| Played Cave Story on April 29th! | |||||