Portal 2

Portal 2

114 ratings
Stairing Dual

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Stairing Dual

My 65th map. This puzzle consists of 6 sets of stairs. Most sets are dual stairs side by side. Cubes, buttons, lasers and tractor beams. Medium difficulty.
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bullfrog Oct 26 @ 12:53am 
Brilliant logical map. Did your 'Quirky Stair' before this and was "feeling very smug" after completing that one quite quickly; well, I'm not feeling so dam smug now as 'Stairing Dual' took me a lot longer to figure out. I couldn't work it out last night, but OK this morning - I wonder why, but I'm sure it can't be the beer LOL. Thank you.
suandin Aug 13 @ 11:24am 
That one was much fun, thank you!
Petutski Aug 1 @ 7:56pm 
Beautifully done! Great use of logic and elements! The final timing run was not too bad after the process is analyzed and only a minium of portals used. Thanks!
Spaceminnow May 28, 2015 @ 9:52pm 
One goof ball move by falling in the water lol. Then I moved the cube to leave some room to go onto the stairs with out jumping. I went thru the whole puzzle after that with out saving. I usually save when there are a lot of red fizzers or super challenging mobile runs.
Chelliste Dec 28, 2014 @ 6:12pm 
I'm not very good at beat-the-clock puzzles, so the last bit took me a few tries. I'd like to know how Bad_Aim got the cube onto the exit button without touching it. The parts leading up to the end were not that hard, moving cubes to activate the stairs, backtracking to get the cubes, etc. The last part balanced it out to medium overall, I think.
psn_markm1978 Nov 9, 2013 @ 2:42pm 
I really liked the second section, took some critical thinking. The end just took two tries with F6/F7 to nail down. All-in-all a pretty good map!

Please try my Test Chambers guys:

iX's First Test: http://steamcommunity.com/sharedfiles/filedetails/?id=190119837
iX's Tunnel Vision: http://steamcommunity.com/sharedfiles/filedetails/?id=190453846
iX's More Than Meets The Eye: http://steamcommunity.com/sharedfiles/filedetails/?id=191319956
iX's Mindf**k: http://steamcommunity.com/sharedfiles/filedetails/?id=192454274
iX's Q*Bert's Ascent: http://steamcommunity.com/sharedfiles/filedetails/?id=193417420

My Collection: http://steamcommunity.com/id/psn_markm1978/myworkshopfiles/
Bad_Aim Aug 24, 2013 @ 3:39pm 
Just watched the video. Yup, I did it right :)
Skyferret  [author] Aug 24, 2013 @ 6:17am 
I think you'll need to grab the cube at some points, and then kind of not grab it. Or something like that. Actually just watch Andyb's video below. That's pretty much how it goes at the ending part. But thanks for playing.
Bad_Aim Aug 23, 2013 @ 11:40pm 
Another fun one. I think I did the last part correctly as I pretty much didn't touch the cube.
1980 Apr 3, 2013 @ 3:02am 
Another quite challening puzzle. This is great. Keep it up!