Half-Life 2 Has Been Quietly Changed for 20 Years - YouTube Watch On YouTuber Ocelot , who specializes in videos comparing different versions of games like Silent Hill 3 and Resident Evil: Code Veronica , recently took to analyzing different versions of Half-Life 2. Valve's FPS may not seem as fruitful a topic for dissection, but there are more differences in these builds than you might think. What I did remember was that the buoyancy puzzle in Route Kanal used to be harder, and Ocelot's helpfully documented that here to prove those of us who remember this bit being a right bastard aren't crazy. After you turn the valve to raise the water level there's a section where you need to get back onto dry land. Beneath you are wooden objects trapped by planks, and when freed they float to the surface where you can use them as rudimentary platforms. Article continues below As Ocelot shows, in the current build of Half-Life 2 that's so easy to do you wouldn't think twice about it.…