Major spoilers, and a more simple tut on starting a new game.
All BitBuddyᵀᴹ Promocodes:
HATBUDDY [Given on download page]
HOLIDAY [Given by BitBuddyᵀᴹ]
BAGELBUDDY [Adds bagels to the food]
BURGERBUDDY [Adds burgers to the food]
SWORDBUDDY [Gives a more powerful sword for the Quest mini-game]
PONIES [Unknown effect]
LIONEL.EXE [Unknown effect]
To reset your game:
Delete your originally extracted BitBuddyᵀᴹ folder.
Push Windows key + r, type in regedit and push enter
Go to HKEY_CURRENT_USER > SOFTWARE > and delete the "FunTech" folder.
Go to User folder > AppData > LocalLow, and delete the "FunTech" folder.
Extract a fresh copy of BitBuddyᵀᴹ from the .zip
Start the game for a whole new BitBuddyᵀᴹ
[note it will not be the same BitBuddyᵀᴹ, that one is forever dead.]
Ctrl + Shift + H will jump time ahead by 1 hour every time pressed.