Portal 2

Portal 2

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7.151 MB
3 Jun, 2012 @ 2:13pm

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Description
Place the balls on the buttons to enter your guess.

Spoilers Below
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<--->
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<--->
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This is a 3 bit adder implemented as a half adder and 2 full adders. Each row of buttons is a binary number with the high bit toward the entrance. The outputs are angle walls and, oh yeah, I scrambled the outputs. :)
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<--->
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<--->
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The could be a dozen ways to solve this or just one.
8 Comments
Silverfish003 8 Sep, 2019 @ 2:14am 
No balls, impassable.
[WDZ] Blu3Drag0n 30 Sep, 2015 @ 8:49am 
why not use a trigger to spawn the Edgeless Safety Cubes on entry to the chamber.
Unleashed 4 Apr, 2013 @ 9:11pm 
where is the ball
Rei 4 Jan, 2013 @ 4:56pm 
Well, looks nice but very complicated. I think, there is only the ball input for the player. But missing the balls, so not solvable. You all are welcome to play and comment my " PortCalc " or even " Circle of alive ", when looking for intermediate to hard laser puzzles.
irlhax 20 Jul, 2012 @ 11:05pm 
Unsolvable right now. But looks good.
Vandalite 19 Jul, 2012 @ 10:54am 
yeah, it's unsolvable without the balls.
Geneosis 8 Jun, 2012 @ 11:25am 
Didn't try to make adders, but people may need this functionnality ^^ Will also add a link to this map in Logical gates & Timers ^^
[UTAC]Raycaster  [author] 7 Jun, 2012 @ 12:33am 
Stupidly removed the balls before uploading. Re-adding them ran into the too many objects error. I'm tearing things apart and rebuilding the 3 bit adder.