Creepy Costume Party
- Farm Halloween seasonal enemies for
Samhain Goodie Bag - Open them to obtain various items, including a rare
Haunted Hive Mother Summoning Idol - The idol can be used to spawn a Halloween version of the Hive Mother, Haunted Hive Mother
- Exchange
Pumpkin Coin with the Seasonal Merchant for 
Samhain Workbench, 
Eerie Chest, or a 
Decorative Skeleton
Seasonal enemies[edit]
During the event, several enemies are dressing up in costume. Defeat them for a chance to obtain unique seasonal items. These drops are calculated separately from their regular drops, and does not replace them.
| Sprite | Costume | Name | Biome | Seasonal drops |
|---|---|---|---|---|
|
Big Dracularva | Big Larva | The Clay Caves Larva Hive Biome |
Samhain Goodie Bag - 10% Dracularva Cape - 3% Big Dracularva Figurine - 1%
|
|
Spookaveling | Caveling | The Forgotten Ruins | Samhain Goodie Bag - 10% Spooky Blanket Hood - 2% Spooky Blanket Cape - 2% Spookaveling Figurine - 1%
|
|
Pumpking Caveling | Caveling Shaman | The Forgotten Ruins | Samhain Goodie Bag - 10% Pumpkin Head - 3% Pumpking Caveling Figurine - 1%
|
|
Frankenbrute | Caveling Brute | The Forgotten Ruins | Samhain Goodie Bag - 10% Frankenbrute Head - 3% Frankenbrute Figurine - 1%
|
Samhain Goodie Bag[edit]
Samhain Goodie Bag can be opened to get 2-3 random items, with the following drop rates:
Open container
| Item | Chance (per roll) |
Chance (at least 1) |
|---|---|---|
| 3-4 rolls | ||
 Chewy Cone Candy
|
20.85% | 55.89% |
 Spooky Pop Candy
|
20.85% | 55.89% |
 Evil Eye Candy
|
20.85% | 55.89% |
 Grumpkin Seed
|
10.64% | 32.54% |
 Pumpkin Lantern
|
1.49% | 5.12% |
| Spooky Blanket Hood
|
1.06% | 3.67% |
| Spooky Blanket Cape
|
1.06% | 3.67% |
| Pumpkin Head
|
0.64% | 2.22% |
| Frankenbrute Head
|
0.64% | 2.22% |
| Dracularva Cape
|
0.64% | 2.22% |
| Pumpkin Coin
|
19.15% | 52.48% |
| Haunted Hive Mother Summoning Idol
|
2.13% | 7.25% |
Samhain Workbench[edit]
Crafting Station
Haunted Hive Mother[edit]
With the exception of the chest, it has the original Hive Mother drops on top of its own, all of which are guaranteed to drop.
 Haunted Hive Mother Chest
|
 Haunted Hive Mother Figurine
|
 Samhain Curse Ring
|
 Samhain Offering Necklace
|
