108C-EF03 + 108C-E483 REALLY cheap items in Shops.... Switch off to sell items to make big $$$

E7D8-D4D8 No gold after battle.....

1793-54D8 Get nearly 5 million exp after battle!

EE6B-EDA8 HPS/MPS becomes 9999/999!

3CB8-5DAE Most items can be used infinitely Note: This does not work in battles! If you get stuck in the Menu screen, turn off the code to advance.

AA90-74DD Walk through walls (only certain directions)

DAAE-8F6D Run into bosses on the Veldt, including the final Kefka.

AA2B-E768+ AA2B-E708+ AA2B-E7D8+ AA2B-E7A8

Switch Characters After Battle

(Warning: Only works on overworld! Dont go anywhere else or you'll freeze!) Allows you to get Leo and Kefka, and even moogles.

DD5C-740D This will make Leo and Kefka appear in the last two slots in the party selection screen! (Warning: Kefka has no commands, and therefore, when its his turn to fight, the game freezes.

AA94-E7D8 Here is a code that gives you lots of very nice items weapons and armor after battles! 

D6D8-EF68 All characters have haste cast on them:

3037-54D8 Learn all spells after one battle