Kingdom Hearts Final Mix

Kingdom Hearts: Final Mix is a Japan only remake of Kingdom Hearts.

Bosses

 * Unknown

New Bosses

 * Destroyed Behemoth
 * Arch Behemoth
 * Red Guard
 * Stealth Army

Enemies
All Heartless are decoloured and multiple new ones are added:
 * Chimera
 * Gigant Shadow
 * Grand Ghost
 * Stealth Soldier
 * Pot Scorpion
 * Pink Agaricus
 * Jet Balloon
 * Missile Diver
 * Sniper Wild
 * Black Ballade
 * Neoshadow

Keyblades
Two new Keyblades were added the One Winged Angel and Diamond Dust

Abilities
Ten new abilities were added:
 * Slap Shot
 * Slide Dash
 * Stun Impact
 * Gravity Break
 * Ripple Drive
 * Hurricane Period
 * Zantetsuken
 * Leaf Veil
 * Tech Plus
 * Encounter Up

Other
Other additions included:
 * 3 new cutscenes
 * Another Side, Another Story [deep dive]
 * Gummi Ship Missions
 * 3 more Ansem Reports