All versions are fine for runs. You might have different framerates because it's a more modern console, but you can submit a run and get it approved.
It's funny cause apparentally barely any people have made a PS2 or PSP run. They are mostly the PC version lol.
Yeah, the PC version is the most accessible since it's on Steam and like $7 on ebay so most people play that. The thing with framerates is that sometimes they prevent tricks from being executable at all. I'd join the Discord if you want specific questions answered tho. The community's relatively active there and I'm pretty sure I'm the only one who checks the SRC forums lol.
The rules for timing IL runs has changed.
Timing now starts on entering the chapter from the menu (Chapter menu or Replay this Chapter button), and ends on the first visible frame of the loading icon before the Results screen. (Some levels exclude this loading icon, in which case timing e