Half-Life 2 has long been hailed as one of Valve’s best projects and one of the most important video games ever made. In our original review, we called it a “amazing” and gave it a 9.7/10.

TL;DR: Half-Life 2 celebrates its 20th anniversary with Valve releasing a major update that includes Episodes One and Two, a new 3.5-hour developer commentary, integrated Steam Workshop support ...