If you loved Portal 2 (or one for that matter) and have been craving more Portal content, play this. The story's silly, the puzzles are challenging and definitely get you thinking, and the music and ambience is really nicely done too. Overall just a really neat game - I really enjoyed this one. :)

This mod is absolutely insane. If you love Portal 2, you need to play this. The sound design, writing, and atmosphere are Valve-level good, and the ending? Won't spoil it, but it's worth it :). Oh, and it’s completely free if you own Portal 2 (which you do if you’re seeing this).
Pros:
+ Sounds and feels just like Portal 2
+ Virgil is an awesome character – the writing is really good
+ The ending is worth mashing your head against the wall for hours
+ Puzzles are brutal but insanely satisfying – every time I solved one, I felt like a genius

Depends on the Person:
-+ This game is more STORY driven than other Portal mods or the classic Portal

Cons:
- Some puzzles feel weirdly unintuitive – like, did I solve that the right way or just break it?
- Accidentally went out of bounds once and found no other solution – jumped on invisible platforms to the
exit
- I did not find a single guide to the legacy solutions after finishing the game. So, if you are stuck. you just have to keep on trying which is kinda hard if you have been stuck on the same chamber for 2 hours. I was in a call with a friend for 10 hours where i was just helping him because noone else could help him.
- No Cake :(

But if you want a Portal game that actually makes you think, this is it. :)

I was talking to chatgpt about videogames and he randomly brought up game mods specifically this one. It was really nostalgic and well made, i recommend it.