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