Here is the full list of all 26 Shakedown: Hawaii trophies - there are 9 bronze, 9 silver, 7 gold and 1 platinum.
The official Shakedown: Hawaii Platinum!
"Borrow" someone's vehicle.
Knock someone into the water using a boat.
Bounce off a trampoline and land on someone.
Jump over and clear another vehicle using nitro.
Use scissors to chop off someone's man bun.
Use toilet water to extinguish a fire.
Take down three days of delivery trucks.
Clear enough heat to earn a cop coin, then get inconspicuous.
Acquire a property or business.
Upgrade a business with every multiplier.
Shakedown every available business for protection money.
Complete every mission and sidequest.
Get a gold medal in every challenge.
Acquire every building in the city.
Sell a tank to the auto export.
Hijack an ammo truck.
Pawn a trunk worth over $500.
Bounce off three civilians without touching the ground.
Throw an enemy into the back of a garbage truck.
Photobomb someone taking a selfie.
Use a chaingun to push a vehicle into the water.
Use a vehicle's nitro flame to set an enemy on fire.
Park a boat in a garage.
Collect all 30 phone chargers.
Generate over $5,000,000 per day.