Welcome to this walkthrough guide to Rockstar's brilliant game for the PC, Xbox 360 and PlayStation 3 - Grand Theft Auto IV.
Follow the links below in the suggested order to complete the game in the quickest time and finish with 100% complete status, or just use any link to help with a specific mission you're having trouble with.
Each mission description includes references to nearby side missions like flying rats and unique stunt jumps so you'll save as much time as possible getting to the 100% completion rating.
Note that some missions are game-time related, so they may not always be available in the order suggested below. If you find any mission is not available, skip to the next one and come back to it later, or save your game to advance the game time.