Here is the full list of all 32 Final Fantasy VII trophies - there are 13 bronze, 13 silver, 5 gold and 1 platinum.
Obtain all trophies
Complete FINAL FANTASY VII
Learn Cosmo Memory—Red XIII's last Limit Break
Learn Slots—Cait Sith's last Limit Break
Learn Chaos—Vincent's last Limit Break
Learn All Creation—Yuffie's last Limit Break
Learn Highwind—Cid's last Limit Break
Learn Final Heaven—Tifa's last Limit Break
Learn Omnislash—Cloud's last Limit Break
Defeat the Ruby Weapon
Reach Lv. 99 with one character
Obtain the Master Summon Materia
Defeat the Emerald Weapon
Obtain 99,999,999 gil
Learn Catastrophe—Barret's last Limit Break
Obtain the Knights of the Round Materia
Raise a Materia to Lv. 5
Defeat the Diamond Weapon
Obtain the Bahamut ZERO Materia
Obtain the Leviathan Materia
Obtain the Bahamut Materia
Go on a date with Barret in the Gold Saucer
Learn Great Gospel—Aeris's last Limit Break
Have Vincent join your party
Have Yuffie join your party
Win the Chocobo Racing mini-game
Score 10,050 points or more in G-Bike at the Gold Saucer
Use a summon Materia in battle
Have your whole party fall in battle
Get Don Corneo to choose Cloud over the two females
Use a Limit Break
Emerge victorious from your first battle