Vice City counts completion with 154 progress points (each point is roughly 0.65%): 35 story missions, 25 asset objectives, 8 businesses and 7 safehouses, 5 payphone assassinations, 35 rampages, 100 hidden packages, 36 unique stunt jumps, 15 store robberies, 5 vehicle sub-missions and the stadium, RC, street race, checkpoint, dirt track and gun range challenges.
Reaching 100% unlocks:
- 200 health and 200 armor.
- Infinite ammo for every weapon.
- Double vehicle strength.
- Up to three Vercetti gang bodyguards.
- The "Frankie" outfit.
- The "Done it All" achievement/trophy (Definitive Edition only).