Complete all of the following to get 100% completion:
GAME COMPLETION PERCENTAGE - HOW TO EARN 68% - Complete all 90 story and procedural missions. 10% - Get all friends special abilities and complete all of their activities(excluding dwayne and roman). 5% - Beat friends or computers at every activity. 5% - Find all random characters and complete their missions. 2.5% - Collect all 200 pigeons. 2.5% - Complete all 20 vigilante crimes. 2.5% - Complete all 50 stunt jumps. 2.5% - Kill all 30 people on the list. 2% - Complete all 30 vehicle thefts.