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