what are these three other side quests. i cant find them

jolt dash

where is the chara corruption battle in this room i hear people talk about it but i cant find it

making some progress

rare empty Grillby's

😨

I beat Difficulty clicker letsgooo

So

i may or may not make an full art of some person or i may just leave this like that-

We are under attack!

Shadow The Hedgehog X pixel art