IF YOU WANT A FRESH GTA IV EXPERIENCE, DO NOT READ. SPOILERS AHEAD.
With that said, let's move on to ... "The Complete Grand Theft Auto IV Walkthrough"! Granted, it only briefly explains the missions, but covers the entire GTA IV storyline.
This also shows that there are choices that you can take, that may affect parts of the storyline.

Finally Grand Theft Auto IV is in the shops, and the race is on to achieve Niko's American dream and get the key to Liberty City.
We know GTA IV's missions can get very tough at times, so here's our day one, no-nonsense guide to every mission in the game. Good luck.
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Ivan's a pretty ropey driver, so the tough bit of this mission's chasing him across the rooftops. Chase him in car, across rooftops, stamp on his hands or let him go. This might affect what happens later, though...

StarJet via computerandvideogames.com »