You need to drive Roman Bellic to his mansion.
The storyline in GTA IV consists of 91 missions, some of which can be missed. Missing those missions won’t prevent 100% completion of the game.
You need to drive Roman to a meeting and then take him back to the cab depot while escaping the loan sharks.
You need to pick up two women, drop them near their apartment, and go to a clothing store to buy better clothes.
You need to save Roman and beat up his offenders.
You need to take Michelle on a date.
You need to pick up a customer in Rotterdam Hill, drive him to the marked point, lose your wanted level and take the customer to Gibson Street.
You need to pick up Jacob, drive him to Schottler, protect him from the gang members, and then take him back to the cafe.
You need to threaten the owner of the laundry shop and take his money to Vlad.
You have to go to the laundromat, then chase the shop owner and damage his vehicle.
You need to take Jacob to the apartment block in Willis and kill some drug dealers. Then you need to pick up Jacob again and take him to the townhouse in Meadows Park, where you need to kill the remaining drug dealers. After that, you need to drive Jacob back to Homebrew Cafe.
You need to take a train, then steal the car and take it to the lockup.
You need to chase Ivan and then decide his fate.
You need to chase Vlad and then kill him.
You need to find a van carrying TVs, steal it using a police car, and deliver it to the lockup.
You need to take Dimitri to the sex shop to make a deal, buy yourself a Micro-SMG, and take Dimitri back to Faustin’s house.
You need to go to the Station and eliminate the target. There are three ways to complete this mission.
You need to go to Firefly Island and kill the biker.
You need to kill the dealer and the supplier selling drugs.
You need to go to the internet cafe and activate your e-mail account.
You need to deliver the truck to the garage, plant the bomb, and get out of the area.