There are 37 Trophies that can be collected.

Bronze

Team SSX
Unlock every member of Team SSX through World Tour (or purchase in Explore or Global Events)

That Was Easy
Unlock all Game Modes

I Am A Ghost
Upload your first personal ghost

Grindage
Grind your first rail (not achievable in Tutorial)

Around The World
Ride with all three Pilots with each member of Team SSX

Peak-A-Boo
Participate in a Global Event in every Peak

Tag Team
Earn a Bronze in a Trick Event with every member of Team SSX (in Explore)

Pass The Baton
Earn a Bronze in a Race Event with every member of Team SSX (in Explore)

Leave No One Behind
Earn a Bronze in a Survive Event with every member of Team SSX (in Explore)

I'm Alive!
Rewind out of Death for the First Time (not achievable in Tutorial)

I'm Flying!
Deploy your wingsuit for the first time (not achievable in Tutorial)

Gear Up!
Make your first Gear Purchase

Pass The Board Wax
Make your first Board Purchase

I Need A Boost
Make your first Mod Purchase

Silver

Gear Pack
Collect all Gear Badges

The Tricker
Collect all Tricky Badges

The Finish Line
Collect all Race Badges

Survival Guide
Collect all Survive Badges

Tree Hugger
Survive Trees Deadly Descent without equipping armor (in World Tour)

The Apple Theory
Survive Gravity Deadly Descent without equipping a wingsuit (in World Tour)

Do You See What I See
Survive Darkness Deadly Descent without equipping a headlamp or pulse goggles (in World Tour)

Ice To See You
Survive Ice Deadly Descent without equipping ice axes (in World Tour)

Buried Alive
Survive Avalanche Deadly Descent without equipping armor (in World Tour)

Playing Favorites
Reach level 10 with any character

It's Cold Out Here
Survive Cold Deadly Descent without equipping a solar panel (in World Tour)

Rocky Road
Survive Rock Deadly Descent without equipping armor (in World Tour)

Caution Low Visibility
Survive Whiteout Deadly Descent without equipping pulse goggles (in World Tour)

I Ain't Afraid of Snow Ghost
Beat a Friend's Rival Ghost in every Range (in Explore)

The Golden Trick IT
Earn your 1st Gold in a Trick Event (in Explore)

The Gold Standard
Earn your 1st Gold in a Race Event (in Explore)

Heart Of Gold
Earn your 1st Gold in a Survive Event (in Explore)

Uberlesscious
Earn a Bronze Medal on a Trick Event in Explore without landing any Super Übers

Who Needs Boost
Earn a Bronze Medal on a Race Event in Explore without using any boost

Gold

The Golden Campaign
Collect all World Tour Badges

The Gold Miner
Collect all Explore Badges

The Gold Spender
Collect all Global Events Badges

Platinum

The SSX Standard
Earn All Trophies

http://www.ps3trophies.com/forums/playstation-trophy-news/12454-ssx-trophy-list.html

samiro05 said:

Crazy Del won't have any qualms about lack of silvers in this trophy list :p

seems they put them all in here & forgot Syndicate.