The last one? It’s the gamma function

And a lot of the work over the last 10 years has been repeatedly reworking the same core systems. So it’s just different rather than significantly better. They have made improvements, but it’s somewhat diluted by the side grades

I’d highly recommend the Talos Principle 2 demo. It’s a puzzle game (I believe it is called a “puzzle platformer”)

That’s a section of a watermark I think