Here is the full list of all 30 Spyro 2: Ripto's Rage! trophies - there are 12 bronze, 12 silver, 5 gold and 1 platinum.
Collect all trophies in Spyro 2: Ripto's Rage
Complete Gulp's Overlook without harming fodder
Unlock the permanent Super Flame
Don't hit any Sheep in Cloud Temples
Defeat the Ox without taking a hit
Charge through every Monkey in Mystic Marsh
Flame the Pigeons first in Metro Speedway
Defeat the Snowmobiles before defeating a Hang Glider
Heat up the audience
Don't get hit by Bob
Don't touch the lava in Skelos Badlands
Defeat every Robo Bee by spitting
Complete the long glide to Orb in Autumn Plains
Defeat 5 Buggies while charging
Headbash every rock in Winter Tundra
Use all 3 types of power-ups in Ripto's Arena
Don't touch the hazardous water in Shady Oasis
Defeat every Earthshaper in Fracture Hills
Steal a Popcorn Crystal from Hunter
Clean run in the trolley
Defeat all Draclets in one Superflight
Use a cannon to defeat a TNT thrower
Headbutt every turtle in Turtle Soup challenges
Light 6 Gem Lamps in 15 seconds
Complete Crush's Dungeon without hitting any fodder
Do not feed the Hungry Idol any red fish
Defeat every robot in Hurricos
Destroy every Roboshark
Charge a Goat in Colossus
Complete Hunter's challenge