When You complete each condition set here You'll get the allotted Trophies.
Avid Collector (Silver) - Earn all souvenirs in the game.
The King of Iron Wake Tournament (Silver) - Win 10 times (gold medal + all additional goals) in a row in any different single player missions.
Wave Catcher (Silver) - Score points with multiplier that equals to 50 or higher.
Acrobat (Bronze) - Perform each trick (except Balance and Slide) 10 times in completed missions
Astronaut (Bronze) - Collect 100 stars in a single Action Chain
Food Chain Link (Bronze) - Become lunch for a hundred sharks (in completed missions).
Hardcore (Bronze) - Score twice as much points as required in any mission where the points are one of the goals.
Main Dish (Bronze) - Let a shark eat you when your score multiplier is 20 or higher.
Triumphant (Bronze) - Win all game missions.
Vandal (Bronze) - Break, overturn, and crash or sweep away 500 objects in completed missions.
Wind (Bronze) - Spend 1 hour in the air in completed missions
Medical Insurance (Bronze) - Fall 500 times in completed missions.
Money Bag (Bronze) - Earn gold medals in any 10 missions
Natural Born Tourist (Bronze) - Earn 12 souvenirs
Pathfinder (Bronze) - Ride 25 km without falling (in completed missions)
Perfect Balance (Bronze) - Spend 5 minutes balancing in completed missions
Superstar (Bronze) - Maintain the "S" rating for overall 10 minutes throughout the game
Tough Rival (Bronze) - Increase score multiplier to 20 or more for both players in Split Screen simultaneously (you don't have to score points).