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Barrier

Very amazing map design

I am trying to play these brilliant chambers but also analyse why they are so challenging. I think it is because in many you have to chain perfect moves together, portal here then another in the right spot there, if you fail then a fizzler closes or you fall and must start the chain again from the beginning. I found the secret is to work out what are your options for opening moves and then think from the end, like here, the only way to have the lightbridge toggleable, and exit possible, was to have a portal in the centre by the entrance and one on the surface facing the receiver inside the fizzler as a path for the laser. The only way to get a portal in the centre and be able to get back was to use the lightbridge to hop over the wall beside it, and the only way to do that (judging by the white surfaces high up) was to be inside the fizzler, with the cube and the fizzler deactivated...

Like this, you can then build up a chain of steps to succeed. I like the way Ben makes something possible but the other way round (it is impossible to shoot a portal from the corner by the entrance to the portal diagonally across the chamber, but you can go near there behind the mesh and place the portal correctly then go back) things like that always have me stumped for a while as I tend to discount them and move on. I think working these out help you solve problems in life the same way. How do others approach these?

Solution:
https://youtu.be/QWTuoXEjEGE

The first time I tried it it just seemed impossible. I had to try it with a fresh perspective another day and it just clicked.

Seems like a very popular map, and I can see why, this solution is great. super subtle and I love the angle panel usage especially. Love the exit condition, Faved ^^

Blindrun
Yep, these chambers are getting harder. And better.

I don’t even want to imagine what’s after Polarity when I had as hard of a time as I did with it. Yes, I’m smarter, and older now, but I wasn’t exactly dumb or inexperienced when I first tried that behemoth of a puzzle either.

I found the hardest part to be figuring out how to get the light bridge to the starting area , though I did it a bit too directly at first and later found the more useful way to get over there with it.

One of the angles was a bit unnecessarily tough I found, but I personally got it first try, so can’t really complain. ¯\_(ツ)_/¯ (I imagine that last one people got stuck even trying to figure out for a while…)

Difficulty: 6.25/10
Enjoyed: 7.75/10

Took me sooo long to figure this one out, but the reward is worth it! Thank you

jesas the solution on this thing
very satisfying when you finally get it

Hello Ben 77，I’ve found some extra ways to solve this puzzle.When you put the redirection cube to the room behind the fizzler，you can put two portals at the very left and right side on the wall and activate the receptor at a tight angle.Before you reach the final step to put another portal on the opposite wall，you can direct the laser at a tilted angle so it can be lead to the receptor through the farther portal.

One of the best puzzles of all time, made more elegant by the recent update :)