Big Code: BEWAREOBLIVIONISATHAND Big feet and hands: STOMPEM
Big Heads: UBERNOODLE
Dark mode: LIGHTSOUT
Colorful mode: FROOTSTRIPE
Gouraud mode: WHATSATEXTUREMAP
Juan mode: HEEERESJUAN
Pen and Ink mode: IGOTABFA
Stick people: HOLASTICKBOY
Tiny enemies: PIPSQUEAK
Zach mode: AAHGOO
All these codes should work like a charm.
