Guides, walkthroughs & maps

Mission walkthroughs (Niko, plus Johnny and Luis in the episodes), collectible maps — the 200 flying rats (pigeons), unique stunt jumps — and 100% completion checklists.

• GTA4.net — HD mission walkthroughs and 100% guides.
• GTA Wiki (Fandom) — the biggest general reference.
• WikiGTA — detailed walkthroughs.
• GTABase — vehicles, weapons and stats.