Portal 2: Community Edition promises to up the game's modding potential, and it's in open beta now

Improvements to map editing, a new lighting engine, volumetric fog, and other improvements await.

The Best Way To Play Portal 2 As It Turns 15 Years Old

Avoid the PS3, and instead boot up a Switch 2 if you want to revisit this classic Valve puzzle game from 2011 Best Way To ...
GameSpot

Long Before Friendslop, Portal 2 Made Co-Op Cool

And it's not just a precursor to friendslop--Portal 2 also predates the mini-renaissance of co-op-only games led by Hazelight ...