| Event | Trivia |
- Not to be confused with the Sign-In Event.
The Halloween Sign-In Event is an event in the Global server of Arknights.
Login[]
During the event, login to the game for 7 days to claim the following rewards.
| Day 1 |  2 |
|---|---|
| Day 2 |  30 |
| Day 3 |  5  300 |
| Day 4 |  20  30K |
| Day 5 |  2 |
| Day 6 | 1  1 |
| Day 7 |
Outfits[]
The following outfits are available in the Outfit Store:
| New |
|---|
Furniture[]
The Secret Occult Society furniture theme is available in the Furniture Store.
Miscellaneous[]
During the event's second week, all daily and chip operations are available, and players will receive one 
Top Emergency Sanity Potion (given as an in-game mail) every day.