This list includes all side missions and collectibles that can be done after completing the first mission of the game.
PSP:
30 Rampages
30 Unique Stunt Jumps
99 Red Balloons
BMX Time Trials
Firefighter
Paramedic
Playground on the Point
Playground on the Town
Quad Bike Time Trials
Sanchez Time Trials
Taxi Driver
Vigilante
Completion percentage: 46.20% (6 Mission attempts)
PS2:
35 Rampages
