| Optional bosses
|
| Kingdom Hearts
|
| Tidus, Selphie, and Wakka | Riku (Destiny Islands) | Cloud | Cerberus | Leon | Yuffie | Hercules | Hades | Rock Titan | Ice Titan | Sephiroth | Kurt Zisa | Parasite Cage | Ursula | Flotsam and Jetsam | Lock, Shock, and Barrel | Oogie Boogie | Oogie's Manor | Phantom
|
| Kingdom Hearts Final Mix
|
| Red Armor | Sneak Army | Destroyed Behemoth | Unknown
|
| Kingdom Hearts II
|
| Seifer | Sephiroth | Hades | Leon | Yuffie | Cloud | Tifa | Shenzi, Banzai, and Ed | Scar | Groundshaker | Sark | Master Control Program
|
| Kingdom Hearts II Final Mix
|
| Absent Silhouettes | Organization XIII's Replica Data | Lingering Will
|
| Kingdom Hearts 358/2 Days
|
| Anti-Riku | Anti-Saïx | Dustflier
|
| Kingdom Hearts Re:coded
|
| Rock Titan | Behemoth | Ice Titan | Data-Roxas (bugged) | Data-Riku (bugged, Avatar Sector)
|
| Kingdom Hearts Birth by Sleep
|
| Vanitas Remnant | Unknown | Mimic Master | Iron Imprisoner
|
| Kingdom Hearts Birth by Sleep Final Mix
|
| Monstro | Armor of Eraqus | No Heart
|
| Kingdom Hearts 3D: Dream Drop Distance
|
| Secret Portals | Julius
|
| Kingdom Hearts III
|
| Dark Inferno | Treasure Ship | Black Ship fleet | Ghost Ship fleet
|
| Kingdom Hearts III Re Mind
|
| Real Organization XIII's Recreated Data | Yozora
|