only one

12.7

Unlike the Gaster blaster summoned with "cigarettes" which has "zero cost" and "low damage," this one requires a high amount of magic from Sans to perform "high damage" and "explosive" attacks.

Dev Update - December 2024

Who you think I am, but who you want me to be?

Our 2024 Advent Calendar has opened! Day 25: @yksuna is a great Creator who posts great illustrations including fan art of Arcane, Undertale, and more! Accept the quest and give them a follow to get Coins and a seasonal sticker!

Fallen Stars

12.6

Undertale Yellow: Beta Edition

Are YOu CaN GET MORE ？