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