Hack for the GBA version of Final Fantasy 1&2? He made some great changes to the experience growth for weapons and magic in FF2. No matter what level your spell is; if casted in a battle with a rank 7 enemy it will gain some experience. He also re-tweaked the damage formula for weapons to make them have realistic attributes. In real life axes and polearms are stronger but less agile than swords so in his hack he made them that way. The improved spell growth is what made me really love the hack though.

Regardless I still play the Origins version because I appreciate the select/cancel trick as it makes the game flow better. I only select and cancel enough to get strong enough to survive fine without overpowering myself. Select and cancel makes attaining 16 level 16 spells and full list of level 16 weapon and shield skills soo much more tolerable and manageable.