Number of Achievements: 51

Beat Game:
No Difficulty Achievement.
Another Chapter Closed: Finish the game and view the ending.
Behind the Curtain: Clear KINGDOM HEARTS Ⅲ Re Mind.

Note: Early Game Tip!!!! When you buy from the moogle shop starting in Travers Town(not sure if works earler) from the moogle shop you can get Prize Postcards. What you do is purchase one item and then leave the shop menu all the way out of it, and you should have a 50/50 chance of getting one. Get between 50 to 100 of these. Then save before putting them in to the mailbox right next to the shop. What your looking for is some One time items you can get. Most Important Orichalcum+ which is needed for the Ultimate Weapon Achievement.
Bonus Super useful Items:
Gourmand Ring: Get extra ingredients when gathering from the ground. Also makes cooking mini game easier.
Lucky Ring: Gives Lucky Strike.
Make sure when doing the Mini Game to Equip Gourmand ring to Sora, out side of that put both rings on Goofy.
Sidenote: You use to be able to get multiple of the Gourmand Rings don't know if this is true for steam port.

Complete Worlds:
A New Journey: Begin your brand new adventure.
Clash of the Gods: Adventure through Olympus and complete the story.
A Wish at Twilight: Adventure through Twilight Town and complete the story.
Inseparable Friends: Adventure through Toy Box and complete the story.
Happily Ever After: Adventure through the Kingdom of Corona and complete the story.
The Power of Laughter: Adventure through Monstropolis and complete the story.
An Act of True Love: Adventure through Arendelle and complete the story.
Way of the Pirate: Adventure through The Caribbean and complete the story.
Making a Difference: Adventure through San Fransokyo and complete the story.
Home Again: Adventure through the Hundred Acre Wood and complete the story.

Collection Achievements:
Hidden Kings: Complete the Lucky Emblems section of the Gummiphone.
Know Thine Enemy: Complete the Adversaries section of the Gummiphone.
No Stone Unturned: Complete the Treasures section of the Gummiphone.
Synthesist: Complete the Synthesis section of the Gummiphone.
One for the Books: Complete the Game Records section of the Gummiphone.
Say Cheese!: Snap your first photo.
Lasting Memories: Hold on to 50 photos.
Cornucopia: Collect every type of ingredient.

Keyblade/Synthesis Achievements:
Blademaster: Obtain a Keyblade that is fully powered up.
Ultima Weapon: Synthesize the Ultima Weapon.

Mini Games/Challenge Achievements:
Full Course: Earn your first "Excellent" while preparing cuisine.
Master Chef: Earn an "Excellent" while preparing every type of cuisine.
Muscle Memory: Get a new high score in one of the Classic Kingdom games.
Classically Trained: Get a new high score in every Classic Kingdom game.
Flanmeister: Complete all of the Flantastic Seven missions.
Thermosphere: Destroy the Schwarzgeist, menace of the Ocean Between.
Centurion: Score at least 12,000,000 pts. in Verum Rex: Beat of Lead.
Festive Dancer: Score at least 70,000 pts. in the Festival Dance.
Shield Shredder: Score at least 600,000 pts. in Frozen Slider.
Datascraper: Get an A rank on both Flash Tracer courses.
Dreadnought: Fully power up the Leviathan.
True Captain: Sink 200 enemy ships in The Caribbean.
All-rounder: Earn all EZ Code merits.
Risk-taker: Reach the highest PRO Code merit rank.

Gummi Ship Achievements:
Salvager: Use the gummi ship to obtain 20 unique treasures.
Stargazer: Use the gummi ship to find and photograph all the constellations.

Assorted End Game Achievements/Fights:
Leveled Out: Raise Sora to LV 99.
The Hearts Joined to His: Gather the seven guardians of light.
No Matter What: Reunite with Kairi.
The Battle to End All: Begin the final confrontation with Master Xehanort.
Tall Enough to Ride: Use an attraction to defeat enemies for the first time.
Heartbound: Use a link to defeat enemies for the first time.
Grand Mage: Cast grand magic for the first time.
Knight: Defeat 1,000 enemies.
Bishop: Defeat 3,000 enemies.
Rook: Defeat 5,000 enemies.
Start Analysis: Eliminate One Darkness in the datascape.
Analysis Complete: Eliminate Thirteen Darknesses in the datascape.
Beyond the Curtain: Defeat Yozora.

Kingdom Heart 1.5+2.5 Achievements Guide:
https://gtm.steamproxy.vip/sharedfiles/filedetails/?id=3269543411
Kingdom Hearts 2.8 Achievements Guide:
https://gtm.steamproxy.vip/sharedfiles/filedetails/?id=3272698069