Half-Life 2 VR

You can still grab stuff from a reasonable distance, meaning you don't need to constantly bend down to collect ammo and medkits.

- 

This new mod is a fan-made, Valve-blessed project that's free to download on Steam, but requires you own vanilla Half-Life 2 to function. Unlike Valve's spit-and-paper version of Half-Life 2 VR, this is a far more comprehensive conversion, adding touch controls, reworked weapons that f