[SP] The Ledge
Version 1.8:
For some reason the RAR-file was suddenly corrupt and only contained part3.
While at it I have also fixed an issue with an unintentionally portable texture. Thanks Tyri!!!
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Version 1.7:
- All parts overhauled. Many thanks to Domathan,zivi7, sicklebrick, Shakky, josepezdj and KengKong for pointing out the issues and exploits.
There are still some ninja solutions left which I either found creative enough to leave as is, or weren't able to fix without rearranging the whole map.
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Finally found the time to fix the major issues in 274, 275 and 276.
Haven't fixed the minor exploits that allow ninja solutions in 272 and 273, yet.
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Fifth version: sp_the_ledge_v5.rar
- Still trying to fix the same issue in 274
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Fourth version: sp_the_ledge_v4.rar
- Hopefully the last fix for test chamber 274. Again, thanks El Farmarino!
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Third version: sp_the_ledge_v3.rar
- Again fixed an exploit which still allowed to skip an puzzle element. Thanks a lot El Farmarino!
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Okay here's the second version: sp_the_ledge_v2.rar
- Tried to fix as many exploits as I could. Many thanks to zivi7, sicklebrick, Shakky and KengKong for the vids which were very helpful. You guys are amazing!!!
Did not fix 'exploits' which I considered to be creative alternative solutions.
- Apropos alternative solutions, I decided to go with TaiMai's alternative for solving 276. I think it's far better than my initial intended way. Thank you Micah!
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First of all I have to apologise: These maps are very demanding on the computer hardware.
They run smoothly at 1920X1080 with 60fps showing only some minor frame drops at certain areas on an Intel Core i7 2600/2500 K 3.4 GHz computer with 8 GB DDR3 RAM | Gainward GeForce GTX 570 Phantom and ASUS EAH6850.
Does not run even with medium settings on an: AMD FX 4100 / 3.6 GHz | 8 GB RAM | ASUS HD 6770.
Although the custom materials are embedded using Pakrat, I have also added the materials folder in the RAR-file; just in case somebody experiences problems (especially when recording dem-files) extract/copy the folder to your materials path:
C:Program Files (x86)SteamSteamAppscommonportal 2portal2materials
Feel free to use any of the custom materials/textures/signage as you like.
Should appreciate it very much if you could play the maps in successive order:
- Part I: "This Way Up!"
- Part II: "The Ledge"
- Part III: "Ups & Downs"
- Part III: "What Comes First?"
Each following map will be automatically loaded at level end. Hope you'll enjoy playing.
Many thanks to josepezdj and MaiTai for all the help and support!
File Name: sp_the_ledge_v8.rar
File Size: 28.67 MiB
Click here to download [SP] The Ledge
First 5 cakes are mine. This is a truly must-play awesome mappack with much attention to detail and absolutely impressive custom stuff, apart from the excellent balance in difficulty level put into this great puzzle collection. As you demonstrated with your previous mappack, you are an excellent mapper, Necati. It's been a plassure to beta-test this excellent work! Wish I'd have more time to dedicate it to you, my friend, but I can hardly dedicate time to my own mappack (which is very delayed lately).
I'll record a playthrough and post it later.
Thank you so much for mapping!
useful tools and stuff here on TWP 
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Looks like a pretty big and tough pack, nice!
I'm stuck in the first chamber. I want to find it the solution on my own - but I'm curious about this bit: Is it intended that I cannot shoot a portal through this grating?
I have to say, I am still marvelling over the first area and trying to figure it out but so far this looks incredible, attention to detail is fantastic and runs very smoothly on AMD Phenom II X6 1100T, 16Gb DDR3, Radeon 5830 with settings maxed. I will report further when I have completed it but so far fantastic.
Great maps!! I played it with no problems with lousy Nvidia 8800 GTS 320MB, AMD X2 5000+
Jose my dear, I know what I owe you. You helped me right from the start with this. Now we can take care of your "delayed" project.
Much later I hope 
Well yes, it's a leftover (nodraw brush) to prevent Micah from doing nasty, unintended things there. It would be much better (and fairer) to use a glass material, though. Thanks for pointing this out. Just put it on my to-do list. Thanks!
Thanks for the specs and glad you liked it so far. Hope you'll enjoy the rest of the map....
Glad to hear that. Thank you for having taken the time to comment!
Uh, not my day probably, everything a little out of the box seems to be too much for me today. I have no idea how to get the cube to fly over the button 1 area while I'm inside to turn off the moon fizzler.
Hehehe, of course!! I want to see people fighting against these tough puzzles first, my dear!
useful tools and stuff here on TWP [spoiler]
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I haven't solved thse yet so I will rate them later but I'd like to report a bug I found. In the first chamber after the cube blockers in the timed tower have been turned off they still block the cube and if you drop the cube here you can't get it back because the button at the bottom won't work anymore.
I will continue trying to solve these later. Nice challenge.
My maps: Bits , Color Me Rainbow and Spank Me Skyward
Finally!!! But if this was the intended way, then it was a bit glitchy for me:
Edit: I never experienced the bug Shakky reports there.