| 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.
| Release date | |
|---|---|
| Global | April 1, 2020 ~ April 15, 2020 |
Contents
Sign-In
During the event, sign in 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 set is available in the Furniture Store.
Miscellaneous
During the event's second week, all daily and chip operations are available and players will also receive one 
Top Emergency Sanity Potion (given as an in-game mail) daily.
