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