Half-Life 2 Walkthrough - GameSpot

This walkthrough includes a full walkthrough of Half-Life 2's campaign, tips on getting by each enemy, and more than a dozen different instructional videos to help you navigate through the game's toughest parts.
This package deal contains Half Life 2, and HL2: Episodes 1 & 2, as well as Team Fortress 2 and Portal.

Half-Life 2: Episode One, Half-Life Wiki

Half-Life 2: Episode 1 - Longplay Full Walkthrough (No Commentary)

Half-Life 2 Walkthrough - GameSpot

Half-Life 2 Walkthrough - GameSpot

Half-Life 2 Walkthrough - GameSpot

Half-Life 2 Walkthrough - GameSpot

Half-Life 2: Episode Two - Valve Developer Community

Half-Life 2

Half-Life 2 Walkthrough - GameSpot

Half-Life 2 Walkthrough - GameSpot

Half-Life 2: Episode 2 (with MMod) (Hard) Walkthrough (Chapter 3: Freeman Pontifex)

Half-Life 2 Walkthrough - GameSpot

Half-Life 2 Walkthrough - GameSpot

Half-Life 2 Walkthrough - GameSpot

Half-Life 2 Walkthrough - GameSpot