No cheat codes exist for the Xbox version of Morrowind Game of the Year Edition.
Why
No Console / Dev Menu: Unlike PC (`~` key), Xbox builds strip all debug commands.
Closed Platform: No memory editors, trainers, or mod support on original Xbox / 360 backward compat.
Game Design: Bethesda intended console players to experience the full progression.
Legitimate "Power" Strategies (No Cheats)
Alchemy Loop: Make Intelligence potions → drink → make stronger potions → repeat → god-tier stats. (Fixed in patches/GOTY? Works on original Xbox disc.)