Portal 2

Portal 2

10,190 ratings
Heartbeat
 
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Description
They say that all of Aperture runs to the beat of GLaDOS' mechanical heart. Tick... tock.... tick... tock...
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162 Comments
Petutski Mar 12 @ 10:44pm 
"An error occured while downloading this map!"
Mevious and Zogor experienced this before. The problem relates to some maps released in 2012. Reuploading fixed the issue.
Pan Tak Feb 25 @ 10:06am 
There is always an error when I try to download this map :/
Marion Cobretti May 3, 2016 @ 2:25am 
It won't load the map for me, always getting an error.
Whateley Feb 11, 2014 @ 4:43pm 
Cool idea with the boxes. Reminds me of two pistons
SuperQuadro Dec 9, 2013 @ 6:30am 
Very cool!
In electronics such device is call multivibrator.
Liked very much.
Jwing01 Nov 23, 2013 @ 4:47pm 
Would have liked noit running so far.
ithilanor Nov 6, 2013 @ 2:16pm 
Very neat! There's a couple of ideas from this that could inspire more maps - toggling between states and the mechanical, repetitive motion.
LordBeDe Oct 28, 2013 @ 12:59pm 
That was an awesome idea.
PsychoBR Oct 16, 2013 @ 4:55am 
Awesome puzzle. Very funny. Thanks.
I recorded my gameplay (valve DEM file format): Download [dl.dropboxusercontent.com]. Comments inside video.

Turrets highly explosive. Handle with care
edeslash Sep 28, 2013 @ 5:12am 
What an incredibly clever solution! Well done man.