Please stop asking how to reset, more than half the comment section space is allocated to guides on how to reset, just read the comments.
I was able to find these codes:
HATBUDDY
BURGERBUDDY
BAGELBUDDY
SWORDBUDDY
PONIES
LIONEL.EXE
As long as this version of the game is the same as the one on the Github Repository then there are no other notable codes.
Your bitBuddy ages, I believe over 60 hours it becomes white and dies. It claims after 24 hours you can go on another HOLIDAY. Filling the screen with too much food will close the game and kill your buddy, pretty sure there is no such limit for balls, though. If you are actively playing when it dies of old age it may die with its eyes open.
PO3 took his buddy to an oddly specific level early in the comments. Sad that so many of us never followed along with the community ARG to know how PO3 survived Inscryption. It might be a robot flex or maybe you should hex edit your buddy's level. Or, heaven forbid, actually level it over 160K levels... Maybe don't it would take 5 hours...
Please share any more information with me.