Here is the full list of all 85 Final Fantasy IX achievements. It takes around 80-100 hours to unlock all of the achievements on Windows.
Complete FINAL FANTASY IX.
View 79 Active Time Events.
Obtain Excalibur II.
Receive certification as a Rank S Treasure Hunter.
Defeat Ozma.
Defeat 10000 enemies.
Obtain 4 moonstones.
Defeat Tiamat, the Guardian of Wind.
Defeat Lich, the Guardian of Earth.
Win 100 Tetra Master matches. (Certain NPCs can be re-challenged to increase your win count after progressing through the game.)
Activate the Rebirth Flame ability when all party members are incapacitated.
Gain the favor of all friendly enemies.
Obtain the Mace of Zeus.
Obtain the Tiger Racket.
Obtain the Gastro Fork.
Obtain the Ultima Weapon.
Obtain the Rune Claws.
Obtain the Angel Flute.
Obtain Kain's Lance.
Obtain the sacred blade Excalibur.
Obtain the Whale Whisker.
Locate all hidden treasures on the world map.
Obtain the complete set of Genji armor.
Defeat Maliris, the Guardian of Fire.
Cause Moguo to have a tantrum.
Visit every beach in Gaia.
Raise your chocobo's beak level to 99.
Successfully catch 99 frogs.
Obtain the Tower.
Defeat Behemoth in the Treno weapon shop using Dagger.
Receive 10 rewards from Queen Stella.
Correctly answer all the questions in Ragtime Mouse's pop quiz.
Summon Eidolons 50 times.
Defeat 1000 enemies.
Play the blackjack minigame.
Purchase all items available from Stiltzkin.
Use Blue Magic spells 100 times.
Win 10 Tetra Master matches.(Certain NPCs can be re-challenged to increase your win count after progressing through the game.)
Have a single character affected by all status ailments. (both beneficial and detrimental).
Repair the machine at Mognet Central.
Obtain a bottle of Superslick.
Obtain the Hammer.
Summon the eidolon Madeen.
Uncover the secret of the Eidolon Wall.
Summon the eidolon Ark.
Receive 30 back attacks.
Defeat Kraken, the Guardian of Water.
Acquire all available support abilities.
Summon the eidolon Odin.
Summon the eidolon Phoenix.
Summon the eidolon Carbuncle.
Summon the eidolon Ifrit.
Summon the eidolon Atomos.
Summon the eidolon Leviathan.
Summon the eidolon Bahamut.
Summon the eidolon Shiva.
Form a party with Quina Quen and three female characters.
Use White Magic spells 200 times.
Use the Defend command 50 times.
Synthesize 30 items.
Win 10 items at the Treno Auction House.
Form a party with four male characters.
Obtain an airship.
Obtain a miniature copy of the Prima Vista.
Obtain Madain's Ring via mining.
Enter trance 50 times.
Receive a Very Good Omen from a color fortune.
Attain level 99 with at least one character.
Jump rope 1000 times without tripping and obtain King of Jump Rope.
Jump rope 100 times without tripping.
Beat the Nero Brothers' shuffling game nine times in a row.
Obtain Athlete Queen.
Summon the eidolon Fenrir.
Synthesize 10 items.
Free Kuppo from a wall in Fossil Roo.
Summon the eidolon Ramuh.
Use Black Magic spells 100 times.
Use the Steal command 50 times.
Guide all the residents of Cleyra to safety.
Successfully catch a golden frog.
Win with Vivi during the Festival of the Hunt.
Defeat 100 enemies.
Enter Trance for the first time.
Have the nobles demand an encore.
Win a Tetra Master match.