GTA: Forelli Redemption is GTA 3 spin-off that has plenty of various content to do. Note, that there is no way to softlock you out of 100% completion.

In order to reach 100%, you must:

  • Finish 38 story missions;
  • Complete 6 assassination contracts;
  • Complete 3 RC missions;
  • Complete 4 offroad challenges (including Dodo one) and 2 lose-the-heat challenges;
  • Complete the Fight Club mission;
  • Complete the Stadium mission;
  • Complete the Leone Shootout mission, that starts in a bus;
  • Master 9 levels of paramedic;
  • Extinguish 20 fires on each island during firefighter submision;
  • Kill 20 criminals on each island during vigilante submission;
  • Do 50 taxi fares;
  • Find 56 hidden packages;
  • Complete 15 rampages;
  • Complete 15 unique stunt jumps.

You can find all of the 100% collectables maps here: https://barcode-studia.ru/fr-maps