Portal 2

Portal 2

259,815 ratings
Chainbuilder
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Chainbuilder

Description
Congratulations! It's time for you to test our new Rube Goldberg machine! Some assembly required. Batteries not included.

Check out my other test chambers here: http://steamproxy.net/profiles/76561198007797249/myworkshopfiles?appid=620

Oct. 13 update: Some modifications to remove a recently discovered exploit.
Popular Discussions View All (1)
4
26 Nov, 2022 @ 10:51pm
Errors
bean me up
1,078 Comments
JJorse7149 5 Jun @ 9:48pm 
Rudegoldberg contraption:steamhappy:
Saxon Hale 9 May @ 9:32pm 
That was surprisingly good.
KillCrazy 25 Apr @ 11:54am 
Nice map and well named.
社恐小弟 30 Mar @ 8:56am 
很好的谜题制作。感谢作者。Very good puzzle making. Thanks to the author.
Felony Sealony 11 Mar @ 4:32am 
the chain reaction was fun
ForsacaZ 10 Mar @ 5:56am 
I LOVE THIS :GDNormal::GDNormal::GDNormal::steamhappy::steamhappy::steamhappy:
Whitley 23 Feb @ 6:01am 
This has a great flow; Not complicated or brain-numbing, just creative and simple (in a very fun way). :steamthumbsup:
the ultimates 17 Feb @ 4:08am 
this is so cool so fun to play through
Zurig 6 Feb @ 2:43am 
Amazing! very creative, good work :)
Polarfuchs 18 Jan @ 6:38am 
非常好谜题,让我的大脑一步步燃烧。:steamthumbsup::papyruswacky: