
On every category there are thumbnails for each of the items.

On the Rockstar Games Social Club website, there is a 100% Progress section which allows the player to check both completed and incompleted missions, events and activities.

Complete all four Sea Races (third place or better).Complete all six Off-road Races (third place or better).Complete all five Street Races (third place or better).Complete all three Triathlons (third place or better).Win at Tennis (1 game is enough, it doesn't need to be a full set or match).Play 9 holes of Golf and finish even or below par (the player does not need to win the match).Shooting Range: Heavy (bronze medal or better).Shooting Range: Light Machine Guns (bronze medal or better).Shooting Range: Shotguns (bronze medal or better).Shooting Range: Assault Rifles (bronze medal or better).Shooting Range: Submachine Guns (bronze medal or better).Shooting Range: Handguns (bronze medal or better).The following is a list of the hobbies and pastimes that count towards 100% completion: Complete 42 of 61 Hobbies and Pastimes.The Final Frontier (Unlocked after Far Out has been completed and collecting all 50 Spaceship Parts) 0.5%.A Starlet in Vinewood (Unlocked after collecting all 50 Letter Scraps) 0.5%.Uncalculated Risk (Unlocked after completing all parachute challenges) 0.5%.Paparazzo - The Highness (gives no percent progress, but is needed to unlock the last mission).Paparazzo - The Partnership (gives no percent progress, but is needed to unlock the following missions).

Grass Roots - The Drag (gives no percent progress, but is needed to unlock the last mission).Grass Roots - Franklin (gives no percent progress, but is needed to unlock the following missions).

The following is a list of the required Strangers and Freaks missions that count towards 100% completion:
