Full list of all 51 KINGDOM HEARTS III achievements worth 1,195 gamerscore. It takes around 50-60 hours to unlock all of the achievements in the base game.
The base game contains 45 achievements worth 1,000 Gamerscore, and there is 1 DLC pack containing 6 achievements worth 195 Gamerscore.
Complete the Synthesis section of the Gummiphone.
Raise Sora to LV 99.
Get an A rank on both Flash Tracer courses.
Complete the Game Records section of the Gummiphone.
Synthesize the Ultima Weapon.
Complete the Adversaries section of the Gummiphone.
Complete the Treasures section of the Gummiphone.
Finish the game and view the ending.
Begin the final confrontation with Master Xehanort.
Reunite with Kairi.
Get a new high score in every Classic Kingdom game.
Use the gummi ship to obtain 20 unique treasures.
Destroy the Schwarzgeist, menace of the Ocean Between.
Use the gummi ship to find and photograph all the constellations.
Gather the seven guardians of light.
Defeat 5,000 enemies.
Earn an "Excellent" while preparing every type of cuisine.
Collect every type of ingredient.
Complete all of the Flantastic Seven missions.
Adventure through San Fransokyo and complete the story.
Complete the Lucky Emblems section of the Gummiphone.
Score at least 12,000,000 pts. in Verum Rex: Beat of Lead.
Score at least 600,000 pts. in Frozen Slider.
Score at least 70,000 pts. in the Festival Dance.
Adventure through The Caribbean and complete the story.
Sink 200 enemy ships in The Caribbean.
Fully power up the Leviathan.
Obtain a Keyblade that is fully powered up.
Adventure through Arendelle and complete the story.
Adventure through the Hundred Acre Wood and complete the story.
Adventure through Monstropolis and complete the story.
Get a new high score in one of the Classic Kingdom games.
Defeat 3,000 enemies.
Adventure through the Kingdom of Corona and complete the story.
Adventure through Toy Box and complete the story.
Hold on to 50 photos.
Use a link to defeat enemies for the first time.
Earn your first "Excellent" while preparing cuisine.
Adventure through Twilight Town and complete the story.
Defeat 1,000 enemies.
Snap your first photo.
Cast grand magic for the first time.
Adventure through Olympus and complete the story.
Use an attraction to defeat enemies for the first time.
Begin your brand new adventure.
Earn all EZ Code merits.
Defeat Yozora.
Eliminate Thirteen Darknesses in the datascape.
Eliminate One Darkness in the datascape.
Clear KINGDOM HEARTS Ⅲ Re Mind.
Reach the highest PRO Code merit rank.