http://www.pcgamer.com/half-life-2-update-is-a-community-made-enhancement-mod/
↑ 原文
https://www.youtube.com/watch?v=NI9aSFHJRO0
↑ 影片
http://store.steampowered.com/app/290930/
↑ Steam 商店連結 (免費DLC，當然你要有本體)
What, specifically, does the mod do? Here's the feature list:
Complete lighting overhaul including enhanced lighting, more detailed world
shadows, and full High Dynamic Range Lighting (HDR).
New particle effects and improved fog.
Countless bug fixes, correcting both visual and game-based issues.
An extensive Community Commentary Mode featuring the voices of well-known
Youtubers, including Caddicarus, Brutalmoose, Ricepirate, Balrog the Master,
ProJared, and Ross Scott from Freeman's Mind .
Retains the iconic Half-Life 2 visual style and gameplay.