Grand Theft Auto IV/100 percent completion

Achieving 100% completion in Grand Theft Auto IV and Episodes from Liberty City requires you to meet a number of conditions across different areas.

Missions

• Complete the main story missions from IV, TLaD and TBoGT.
• Complete the required 10 Random characters missions from IV, 2 from TLaD and 3 from TBoGT. The following 5 do not count towards 100% completion: Jeff Harlingford, Cherise Glover, Ivan Bytchkov, Clarence Little, and Brian Jeremy.
• Complete all 10 of Little Jacob's deliveries.
• Deliver 10 Exotic Exports cars to Brucie.
• Deliver 30 Car Thefts to Stevie.
• Complete all Most Wanted missions from the Police Computer.
• Complete 20 Current Crimes from the Police Computer.
• Complete all 9 Assassinations.
• Deliver 10 Bikes to Angus
• Complete all 5 Dirty Laundry tasks for Stubbs.
• Complete all 8 Club Management tasks for Joni.

Social

• Visit each activity at least once with Niko Bellic, Johnny Klebitz and Luis Lopez.
• Meet all potential Friends and unlock their special abilities with Niko, Johnny and Luis (except from Roman Bellic, Dwayne Forge and Jim Fitzgerald).
• Win against any friend at least once at Bowling, Darts, Pool, Air Hockey, Arm Wrestling, and Golf.

Misc.

• Kill all 50 Seagulls in TLaD and TBoGT.
• Kill all 200 Flying rats.
• Complete all Stunt jumps.
• Complete all Races.
• Complete all Bike Races in TLaD.
• Complete all 25 Gang Wars in TLaD
• Complete all 25 Drug Wars in TBoGT.
• Complete all Base Jumps in TBoGT.
• Complete all Triathlons in TBoGT.
• Complete all Dance in TBoGT.
• Complete all L.C. Cage Fighting in TBoGT.
• Complete all Champagne Drinking Contest in TBoGT.
• Complete all QUB3D in IV, TLaD, and TBoGT.